C11planet

Images December 2001-August 2012

Images June 2015 till recent

Images January 2014-May 2015

Images December 2001-December 2013

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Venus 29 August 2012

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Jupiter 29 August 2012

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Venus 22 August 2012

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Jupiter 22 August 2012

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Uranus 18 August 2012

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Uranus 17-18 August 2012

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Venus 15 August 2012

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Jupiter 15 August 2012

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Venus 13 August 2012

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Jupiter 13 August 2012

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Venus 1 August 2012

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Jupiter 1 August 2012

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Jupiter 25 July 2012

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Venus 25 July 2012

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Venus 23 July 2012

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Jupiter 21 July 2012

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Venus transit 6 June 2012 03.20 UT, taken with my Apple Iphone camera.

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The atmospheric ring of Venus during the transit of 6 June 2012. With thanks to Willem Kivits for handpicking and processing frames

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Venus 6 June 2012. Transit over the Sun observed from Kemer(Turkey) 03.44.12 UT - 04.24.46 UT

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Venus 6 June 2012. Transit over the Sun observed from Kemer(Turkey) 04.28.20 UT - 04.49.26 UT

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Venus 6 June 2012. Transit over the Sun observed from Kemer(Turkey). For an animation of the Third Contact, click Animation Third Contact (12 Mb)

For a more extended animation of the Third Contact, click Extended Animation Third Contact (24Mb)

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Venus 6 June 2012. Transit over the Sun observed from Kemer(Turkey). For a full report of my Venus expedition 6 June 2012, click here

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The Venus crescent on 2, 3 and 4 June 2012 from Turkey

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Venus 26 May 2012

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Saturn 24 May 2012

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Saturn 22 May 2012

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Saturn 16 May 2012

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Saturn 12 May 2012

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Mars 12 May 2012

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Saturn 17 April 2012

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Mars 16 April 2012

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Venus 16 April 2012

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Mars 14 April 2012

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Venus 14 April 2012

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Mars 5 April 2012

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Venus 5 April 2012

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Saturn 28 March 2012

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Mars 27 March 2012

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Mars25 March 2012

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Saturn 22 March 2012

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Mars 21 March 2012

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Venus 21 March 2012

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Venus 19 March 2012

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Saturnus 19 March 2012

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Mars 19 March 2012

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Mars 15 March 2012

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Mars 2 March 2012

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Mars 19 February 2012

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Mars Compilation October 2011 - February 2012

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Clouds over Mars 11 February 2012

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Mars 11 February 2012

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Mars 8 February 2012

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Mars 2 February 2012

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Mars 28 January 2012

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Venus 27 January 2012

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Mars 24 January 2012

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Mars 17 January 2012

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Jupiter 16 January 2012

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Venus 16 January 2012

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Jupiter 14 January 2012

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Jupiter 10 December 2011

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Jupiter 5 December 2011

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Mars 28 November 2011

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Saturn 28 November 2011

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Mars 16 November 2011

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Jupiter 14 November 2011

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Jupiter 9 November 2011

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Jupiter 5 November 2011

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Jupiter 1 November 2011

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Jupiter with Io and Ganymede transit 31 October 2011

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Jupiter 26 October 2011

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Jupiter 22 October 2011

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Jupiter 13 and 14 October 2011

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Mars 1 October 2011

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Great Red Spot 1 October 2011 00.04 - 01.40 UT

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Jupiter 1 October 2011

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Jupiter 28 September 2011

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Mars 24 September 2011

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Ganymede 24 September 2011

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Jupiter 24 September 2011

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Jupiter 24 September 2011

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Jupiter 19 September 2011

sat Fabricius

sat Fabricius

sat Fracastorius

sat Hercules and Atlas

sat Posidonius

sat Taruntius

sat Janssen

Lunar craters 16 September 2011

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Jupiter 15 August 2011

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Jupiter 20 August 2011

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Plato Rimae 20 August 2011

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Plato 20 August 2011

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Clavius 20 August 2011

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Ptolemeus 20 August 2011

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Alphonsus 20 August 2011

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Vallis Alpis 20 August 2011

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Hadley rimae 20 August 2011

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Philolaus 20 August 2011

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Anaxagoras 20 August 2011

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Jupiter 1 August 2011

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Mars 1 August 2011

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Jupiter 29 June 2011

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Jupiter 10 July 2011

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Jupiter 5 July 2011

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Mars 5 July 2011

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Jupiter 30 June 2011

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Saturn 11 June 2011

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Saturn 8 June 2011

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Mercury 2 June 2011

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Mercury 25 May 2011

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Saturn 24 May 2011

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Mercury 3 May 2011

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Saturn 3 May 2011

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Mercury 2 May 2011

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Saturn 1 May 2011

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Saturn 12 April 2011

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Saturn 9 April 2011

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Saturn 22 March 2011

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Saturn 21 March 2011

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Saturn 8 March 2011

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Saturn 6 March 2011

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Saturn 22 February 2011. Hand-picked and processed by Willem Kivits

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Saturn 22 February 2011. Automatic selection with Registax 5

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Saturn 5 February 2011. C5 images from Curacao.

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Saturn 29 January 2011

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Saturn 28 January 2011 Combination of images of Willem Kivits (6.25 UT, C14) and John Sussenbach (4.49 UT, C11). South up

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Saturn 28 January 2011

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Saturn 20 January 2011. Stacking and processing Willem Kivits

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Saturn 10 January 2011

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Saturn 8 January 2011

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Partial Solar Eclipse 4 January 2011

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Saturnus 30 December 2010

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Saturnus 26 December 2010

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Jupiter 20 December 2010

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Clavius 15 December 2010

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Plato 15 December 2010

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Alpine Valley 15 December 2010

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Copernicus 15 December 2010

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Hadley Rille 15 December 2010

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Alphonse 15 December 2010

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Saturn with two bright storms 14 December 2010

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Saturn 13 December 2010

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Jupiter 6 December 2010

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Jupiter 28 November 2010

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Jupiter 27 November 2010

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Jupiter 26 November 2010

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Jupiter and SEB outbreak 22 November 2010

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Jupiter and SEB outbreak 15 November 2010

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Jupiter 30 October 2010

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Jupiter 17 October 2010

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Jupiter 23 September 2010

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Jupiter 22 September 2010

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Jupiter 18 September 2010

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Jupiter 13 September 2010

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Jupiter and Io 10 September 2010

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Jupiter 1 September 2010

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Jupiter 31 August 2010 Poor seeing

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Jupiter 6 August 2010 Good seeing

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Jupiter 23 July 2010. Ganymede transit FIRST LIGHT FLEA 3

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Jupiter 19 July 2010. Note Callisto, the Great Red Spot and Red Jr.

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Jupiter 9 July 2010. Note Io, its shadow, the Great Red Spot and Red Jr.

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Jupiter 9 July 2010

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Jupiter 29 June 2010 animation

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Jupiter 29 June 2010

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Jupiter 29 June 2010

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Jupiter 22 June 2010

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Saturn 21 June 2010

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Venus 21 June 2010

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Moon mosaic 5 June 2010

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Jupiter 4 June 2010; first image after 3 June impact (location impact L2 343�; E. limb 353�)

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Jupiter 1 June 2010; first image of the season 2010/2011

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Saturn 28 May 2010

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Venus 28 May 2010

Venus 18 May 2010

Saturn 18 May 2010

Mars 18 May 2010

Mars 18 May 2010

Saturn 23 April 2010

Mars 23 April 2010 20.07 UT

Venus/Mercury conjunction 8 April 2010 3º 30' apart

Saturn 7 March 2010

Saturn 4 March 2010

Mars 4 March 2010

Mars 1 March 2010

Mars 16 February 2010

Vesta 16 February 2010

Mars 11 February 2010

Mars 1 February 2010

Mars 26 January 2010

Mars 14 January 2010

Mars 24 October 2009 Camyuva (Turkey)

Mars 15 October 2009

Jupiter 7 October 2009 Camyuva (Turkey)

Transit of Titan and shadow over Saturn, 6 October 2009 Camyuva (Turkey)

Mars 5 October 2009 Camyuva (Turkey)

Mercurius 4 October 2009 Camyuva (Turkey)

Saturnus 4 October 2009 Camyuva (Turkey)

Venus 3 October 2009 Camyuva (Turkey)

Jupiter 2 october 2009 Camyuva (Turkey)

Jupiter 1 October 2009 Camyuva (Turkey)

Jupiter and Ganymede 24 September 2009

Neptunus 18 September 2009

Uranus 18 September 2009

Jupiter 18 September 2009

Burg 8 September 2009

Torricelli 8 September 2009

Posidonius 8 September 2009

Uranus 8 September 2009

Occultation of Europa by Io 8 September 2009

Jupiter 8 September 2009

Jupiter and Callisto shadow 25 August 2009

Venus 15 August 2009

Jupiter 11 August 2009

Occultation movie of 45 Cap by Jupiter on 3 August 2009 covering the period of 22.42-22.58 UT

Occultation of 45 Cap by Jupiter 3/4 August 2009

Jupiter 3 August 2009. Impact scar in the South Polar Region at the Central Meridian.

Total Solar Eclipse 22 July 2009, Jinshan, China 2009. Processed video during totality

Total Solar Eclipse 22 July 2009, Jinshan, China 2009

Venus 4 July 2009

Jupiter 2 July 2009

Jupiter 30 June 2009

Ganymede eclipses Io 24 June 2009

Jupiter23 June 2009

Occultation of Europa by Ganymede 23 June 2009

Animation of the occultation of Europa by Ganymede 23June 2009 (small version

Occultation of Io by Callisto 20 June 2009

Mare Orientale 17 June 2009

Mars 17 June 2009

Venus 17 June 2009

JUpiter 17 June 2009

Venus 13 June 2009

Jupiter 13 June 2009, first image apparition

Saturn and Rhea transit 28 May 2009

Saturn and Rhea transit 28 May 2009

Saturn and Rhea transit 19 May 2009

Saturn and Titan 19 March 2009

Venus 11 March 2009

Saturn and Titan 19 March 2009

Fabricius 2 March 2009

Theophilus 2 March 2009

Piccolomini 2 March 2009

Messier 2 March 2009 2009

Ceres 2 March 2009

Venus 2 March 2009

Saturn 2 March 2009

Venus 18 February 2009

Ceres Ø (0.83") 14 February 2009

Venus 13 February 2009

Schickard

Pythagoras

Mons Rümker

Phocylides

Venus 7 February 2009

Venus 10 January 2009

Saturn 3 January 2009

Saturn 3 January 2009

Saturn 30 December 2008

Saturn 29 December 2008

Venus 22 December 2008

Saturn 13 December 2008

Saturn 7 December 2008 Transit Dione

Saturn 6 December 2008

Saturn and Dione 9 October 2008

Uranus 26 September 2008

Uranus 25 September 2008

Uranus 18 September 2008

Jupiter 18 September 2008

Venus 11 September 2008, two processing procedures.
Top: Batchwise reduction of background with PS followed by processing with Registax
Bottom: Bulk processing with Registax

Jupiter 10 September 2008

Jupiter 3 September 2008

Mercury 30 August 2008

Jupiter 29 August 2008

Jupiter 23 August 2008

Mercury 15 August 2008

Mercury 12 August 2008

Jupiter and Io 1 August 2008 with methane filter (880nm)

Partial Solar Eclipse 1 August 2008 from Houten, The Netherlands. Note the mountains at the lunar rim.

Partial Solar Eclipse 1 August 2008 from Houten, The Netherlands

Jupiter and Io 23 July 2008 in stereo. Produced with 3D FotoStudio and to be viewed with a red-green spectacles

Jupiter and Io 23 July 2008

Jupiter and Io 23 July 2008 23.04-23.36 UT

Jupiter 14 July 2008

Venus 14 July 2008

Venus 12 July 2008

Jupiter and Io July 1, 2008

Jupiter and shadow of Io July 1 2008

Jupiter and shadow of Io July 1 2008

Jupiter and shadow of Io 23 June 2008

Jupiter 19 June 2008

Jupiter 19 June 2008

Saturn 6 April 2008

Mars 6 April 2008

Saturn 31 March 2008

Saturn and Tethys transition 18 Februari 2008

Saturn 15 February 2008

Saturn 22 January 2008

Mars 17 December 2007

Mars 17 December 2007

Mars 14 December 2007

Saturn 14 December 2007

Mars 12 December 2007

Saturn, 15 November 2007

Mars, 15 November 2007

Mars, 8 November 2007

17/P Holmes, 8 November 2007

Mars, 6 November 2007

Saturn, 6 November 2007

Comet 17/P Holmes, 3 November 2007

Comet 17P/Holmes, 30 October 2007

Venus 23 October 2007

Mars 23 October 2007

Mars 23 October 2007

Uranus 13 October 2007

Venus 11 October 2007

Venus 11 October 2007

Mars 11 October 2007

Mars 8 October 2007

Mars 6 October 2007

Mars 5 October 2007

Mars 27 September 2007

Mars 27 September 2007

Mars 25 September 2007

Mars 19 September 2007

Mars 15 September 2007

Mars 13 September 2007 with Olympus Mons (dark dot)

Mars 6 September 2007

Venus 25 August 2007.

Mars 24 August 2007.

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Venus 22 August 2007.

Uranus. Occultation of Umbriel by Ariel 11 August 2007.

Mars 13 August 2007.

Mars 11 August 2007.

Venus 11 August 2007.

Mercury 4 August 2007.

Venus 4 August 2007.

Mars 4 August 2007.

Mars 1 August 2007.

Jupiter 31 July 2007.

Venus 31 July 2007.

Mars 31 July 2007. Cimmerium with a lot of dust in the atmosphere. Seeing poor

Jupiter and Io, 30 July 2007

Collimation test of C11 with the double double (Epsilon Lyrae) C11 at f/20) and Jupiter plus Europa and Ganymede (C11)

Mars 30 July 2007. Cimmerium with a lot of dust in the atmosphere. Seeing very poor

Jupiter with Great Red Spot 22 July 2007

Jupiter with STrD1 and Red Spot Junior 18 July 2007

Mars 16 July 2007

Jupiter 13 July 2007 only 15º above the horizon

Venus 13 July 2007

Jupiter 9 July 2007 only 15º above the horizon

Venus 3 July 2007

Jupiter 20 June 2007

Venus 19 June 2007

Saturn 24 May 2007

Venus 24 May 2007

Venus 24 May 2007

Click here for low resolution live occultation of Saturn on 22 May 2007 (requires Real Player)

Click here for high resolution live occultation of Saturn on 22 May 2007 (requires Real Player)

Imaging conditions: C11 f/20 with ATK 2HS webcam plus IR filter, 10frames per sec

Venus 22 May 2007

Venus 18 May 2007

Venus 30 April 2007

Venus 21 April 2007

Venus 21 April 2007

Venus 19 April 2007

Venus 18 April 2007

Venus 15 April 2007

Venus 15 April 2007

Venus 11 April 2007

Venus 11 April 2007

Venus 11 April 2007

Saturn 12 March 2007

Saturn 8 March 2007

Saturn 8 March 2007

Saturn 8 March 2007

Lunar eclipse March 3/4 2007

Lunar eclipse March 3/4 2007

Saturnus 20 December 2006

Uranus 20 September 2006

Uranus 12 September 2006

Uranus 12 September 2006

Uranus 23 August 2006

Uranus 23 August 2006

Uranus 23 August 2006

Best Venus 24 July 2006

Venus 24 July 2006

Venus animation July 2006. North is up. It is based on the images of 12, 15 and 17 July 2006 (see below) and constructed with the program WinJUPOS. The cloud pattern has a rotation period of 3.99 days.

For larger and better animations, download the following files (click right-hand button and save files):

1. Big-size animation (shaded)

2. Big-size animation (non-shaded)

Venus map July 2006 based om the images of 12, 15 and 17 July 2006

Venus 12-19 July 2006

Venus 19 July 2006

Venus 17 July 2006

Venus 17 July 2006

Venus 12, 15 and 17 July 2006

Venus 15 July 2006

Venus 12 and 15 July 2006 compilation

Venus 12 July 2006

Jupiter 29 June 2006

Venus 28 June 2006

Jupiter 27 June 2006

Venus 13 June 2006

Venus 12 June 2006

Total Solar Eclipse 29 March 2006
Composite of 12 different frames processed with Fitswork
http://people.freenet.de/JDierks/softw.htm

Total Solar Eclipse 29 March 2006
Composite of 12 different frames processed with Fitswork
http://people.freenet.de/JDierks/softw.htm

Total Solar Eclipse Egypt
29 March 2006

Annular Solar Eclipse 3 October 2005. Seen from 60 km North of Alicante (Spain)"
Images made with a C5 with a Thousand Oaks filter and a 100 ISO Fuji slidefilm

Annular Solar Eclipse 3 October 2005. Seen from 60 km North of Alicante (Spain)"
Images made with a C5 with a Thousand Oaks filter and a 100 ISO Fuji slidefilm

Saturn 3 January 2006.

Mars 2 January 2006.

Saturn 29 December 2005.

Saturn 29 December 2005.

Saturn 31 October 2005.

Mars 21 October 2005.

Mars 21 October 2005.

Mars 15 October 2005. There is a dust storm (see arrows) indicated in the left images. At the right an image of 7 September 2005 is shown with the same region indicated by an arrow. This storm developed into a major dust storm over Solis Lacus, which was invisible from Europe at that time."

Mars 15 October 2005."

Mars 15 October 2005.

Mars 6 October 2005. Diameter 18.6"
Images made with the Philips Toucam Pro webcam

Mars 6 October 2005. Diameter 18.6"
Images made with the Philips Toucam Pro webcam compared with an image of Ed Grafton

Mars 23 September 2005. Diameter 16.8"
Images made with the Philips Toucam Pro webcam

Mars 23 September 2005. Diameter 16.8"
Images made with the Philips Toucam Pro webcam

Mars 22 September 2005. Diameter 16.8"
Images made with the Philips Toucam Pro webcam

Mars 22 September 2005. Diameter 16.8"
Images made with the Philips Toucam Pro webcam

Mars 18 September 2005.
Images made with the Philips Toucam Pro webcam

Mars 13 September 2005. Diameter 15.5"
Images made with the Philips Toucam Pro and the ATK-2HS cameras

Mars 13 September 2005. Diameter 15.5"

Mars 7 September 2005. Diameter 14.8"

Mars 7 September 2005. Diameter 14.8"

Mars 7 September 2005. Diameter 14.8"

Mars 7 September 2005. Diameter 14.8"

Mars 6 September 2005. Diameter 13.9"

Mars 30 August 2005. Diameter 13.9"

Mars 29 August 2005. Diameter 13.8"

Mars 24 August 2005. Diameter 13.3"

Mars 17 August 2005. Diameter 12.6"

Mars 17 August 2005. Diameter 12.6"

Mars 13 August 2005. Diameter 12.3"

Mars 13 August 2005. Diameter 12"

Mars 6 August 2005.

Mars 6 August 2005. Diameter 11.4".

Mars 3 and 4 August 2005. Diameter 11.3".

Mars 3 August 2005. Diameter 11.3".

Mars 17 July 2005. Diameter 10.3". Best image until now in 2005 apparition.

Mars 17 July 2005. Diameter 10.3"

M57 on 12 July 2005

Mars 9 July 2005

Mars 8 July 2005

First Mars picture of 2005

Jupiter with shadow of Ganymede on 22 June 2005

Jupiter with shadow of Ganymede on 22 June 2005

Jupiter on 19 June 2005

Maan on 14 June 2005 with Casio EX-Z750

Jupiter on 13 June 2005. Very poor seeing

Jupiter on 9 June 2005

Jupiter on 9 June 2005

Jupiter on 8 June 2005

Jupiter on 31 May 2005

M13
C5 with f/6.3 focal reducer and ATK 2HS camera (4 sec exposure and 30 images stacked))

M57
C5 with f/6.3 focal reducer and ATK 2HS camera (4 sec exposure and 30 images stacked))

Jupiter on 23 May 2005

Jupiter and Io on 11 April 2005

Jupiter and Io on 11 April 2005
C11 SCT with 3x Barlow and Toucam Pro. Seeing 4/10.

Jupiter and Io on 11 April 2005
C11 SCT with 3x Barlow and Toucam Pro. Seeing 4/10. Details are visible of about 0.3".

Jupiter and Io on 11 April 2005
C11 SCT with 3x Barlow, ATK-2HS and a Baader IR pass filter plus 2x Barlow,Toucam Pro. Seeing 6/10. Details are visible of about 0.3".

Jupiter and Io on 11 April 2005
C11 SCT with 3x Barlow, ATK-2HS and a Baader IR pass filter plus 2x Barlow,Toucam Pro. Seeing 6/10. Details are visible of about 0.3". hr>

Jupiter and Io on 11 April 2005
C11 SCT with 3x Barlow, ATK-2HS and a Baader IR pass filter.

Ganymede on 11 April 2005
C11 SCT with 3x Barlow, ATK-2HS and a Baader IR pass filter plus 3x Barlow, Toucam Pro. Seeing 4/10

Ganymede on 11 April 2005
C11 SCT with 3x Barlow, ATK-2HS and a Baader IR pass filter plus 3x Barlow, Toucam Pro. Seeing 6/10

Io on 11 April 2005
C11 SCT with 3x Barlow, ATK-2HS and a Baader IR pass filter plus 3x Barlow, Toucam Pro. Seeing 4/10

Jupiter and Io on 3 April 2005
C11 SCT with 2x Barlow, ATK-2HS and a Baader IR pass filter. Seeing 2-4/10

Jupiter on 15 March 2005
C11 SCT with 2x Barlow, anti-dispersion prism and a Baader IR pass filter. Seeing 3/10

The brightness of Iapetus (10.2) during Western elongation as established using different reference stars and moons
21 April, 2005, 20h26m UT made with a C5 plus focal reducer f/6.3 and an Atik 2HS camera.
To identify the satellites and stars move the cursor over the picture.

The brightness of Iapetus (11.8) during Eastern elongation as established using different reference stars
14 March, 2005, 22h25m UT made with a C5 plus focal reducer f/6.3 and an Atik 2HS camera.
To identify the satellites and stars move the cursor over the picture.

Comparison of the shadow of Saturn on the rings on February 6 and February 27, 2005

The central part of the Orion Nebula on 27 February 2005
The image is a made with a C11 and an ATK-2HS camera (top 1/25 sec and bottom 6 sec). Note the components E and F (11th magnitude in the Trapezium (top).

Saturnus on 27 February 2005 20h 09 m UT
C11 SCT with 3x Barlow. The image is a composite of an ATK-2HS b/w picture and a Toucam Pro colour picture. Seeing 5/10

Jupiter on 16 February 2005
C11 SCT with 2x Barlow and a Touvam Pro (l) or ATK-2HS camera (r).

Bullialdus on 24 February 2005
C11 SCT with 3x Barlow and an ATK-2HS camera seeing 3/10.

Saturn on 6 February 2005 22h 26m UT
C11 SCT with 3x Barlow seeing 6/10. LRGB picture

Saturn on 6 February 2005 22h 26m UT
C11 SCT with 3x Barlow seeing 6/10. LRGB picture

Saturn on 6 February 2005 22h 26m UT
C11 SCT with 3x Barlow seeing 6/10. LRGB picture

Saturnus and 8 satellites
January 15, 2005. 21h23m UT, mosaic made with a C11 plus modfied Toucam Pro webcam.
To identify the satellites move the cursor over and outside the picture.

Saturnus and 8 satellites
January 15, 2005. mosaic made with a C11 plus modfied Toucam Pro webcam.
To identify the satellites move the cursor over and outside the picture.

Saturn on 13 January 2005 22h 08m UT
C11 SCT with 2x Barlow seeing 4/10. This was a few hours before the descent of the Huygens probe on Titan and the moment of opposition

Saturn on 13 January 2005 23h 03m UT and 23h 15m UT
C11 SCT with 3x Barlow seeing 4/10. This was a few hours before the descent of the Huygens probe on Titan and the moment of opposition

Saturn on 13 January 2005 23h 03m UT
C11 SCT with 3x Barlow seeing 4/10. This was a few hours before the descent of the Huygens probe on Titan and the moment of opposition

Saturn on 25 November 2004 1h 56m UT
C11 SCT with 3x Barlow seeing 5/10.

Saturn and 8 satellites on 13 January 2005 21h 55m UT
C11 SCT and modified Philips Toucam Pro seeing 4/10. This was a few hours before the descent of the Huygens probe on Titan

Saturn 10 December 2004 0h 30m UT C11 with 2 x Barlow and Philips Toucam Pro seeing 5/10
Note the faint C ring.

Saturn 25 November 2004 1h 10m UT C11 with 3 x Barlow and Philips Toucam Pro seeing 6/10
Note the faint C ring.

Saturn 25 November 2004 1h 0mUT with C11 and 3x Barlow and B/W chip in RAW mode seeing 6/10
Note hints of the Encke division.

Saturn 25 November 2004 0h 50m UT C11 with 3 x Barlow and Philips Toucam Pro seeing 6/10
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Saturn 24 November 2004 1h UT C11 with 2 x Barlow and Philips Toucam Pro seeing 6/10
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Saturn 24 November 2004 1h UT C11 with 2 x Barlow and Philips Toucam Pro seeing 6/10
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Venus-Jupiter conjunction 5 November 2004 6h 16m UT with Philips Toucam Pro II
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Uranus on 1 September 2004 with C11. Seeing 3/10

Uranus on 11 August 2004 and Neptune on 19 August 2004 with C11 and 2x Barlow. Seeing 5/10

Venus 14 August 2004 with C11 and Vesta Pro. Seeing 5/10

Uranus and satellites on11 August 2004 with C11 (composition)

Uranus on 11 August 2004 and Neptune on 19 August 2004 with C11 and 2x Barlow. Seeing 5/10

Uranus on 9 August 2004

Venus 31 July 2004

Uranus and satellites on July 27, 2004

Neptune and Triton 28 July 2004

Uranus and moons on 24 and 27 July 2004

Neptune on July 27, 2004. Note the background star Tyc 6346-01348-1
Seeing was 5/10.
400 stacked 1/25 sec exposures of Neptune were combined with 20 stacked exposures of 5 sec of Triton.

Venus on July 24, 2004
Seeing was 4/10.

Uranus on July 24, 2004
This composite consists of a picture of Uranus (600 frames of 1/25 sec with an unmodified Toucam Pro webcam) and its four major moons (30 frames of 7sec. with a modified Toucam Pro webcam). Seeing was 5/10.

Venus on July 23, 2004
Images in white light (b) and UV light (a), (c-e). For the UV pictures a Baader UV filter was used (370 nm) See legend for details. Seeing was poor. Hints of albedo differences are visible in the UV images.

3-D picture of Saturn, compilation of 5 October and 22 November 2003 images. Use red-green glasses. Start by looking at the edge of the globe

3-D picture of Jupiter with Great Red Spot, 17 February 2003. Use red-green glasses. Start by looking at the edge of the globe

3-D picture of Mars. Use red-green glasses. Start by looking at the edge of the globe

3-D picture of Jupiter. Use red-green glasses. Start by looking at the edge of the globe

3-D picture of Jupiter. Use red-green glasses. Start by looking at the edge of the globe

Uranus and its moons
July 6, 2004

Venus Transit
June 8, 2004, with my C5 plus 6.3 focal reducer.

Venus Transit
June 8, 2004, with a C5 plus 6.3 focal reducer.

Venus Transit Animation June 8, 2004
First and second contact. For a large animation (2 Mb, 380 x 370 pixels) click here

Venus Transit
June 8, 2004, 07h 21m UT with my C5 plus 6.3 focal reducer.

Venus Transit
June 8, 2004, 08h 28m UT with my C5 plus 6.3 focal reducer.

Venus Transit
June 8, 2004, 10h 46m UT with my C5 plus 6.3 focal reducer.

Venus Transit
June 8, 2004, 09h 59m UT with my C5 plus 2x Barlow lens.

Venus Transit
June 8, 2004, 10h 02m UT with my C5 plus 2x Barlow lens.

Venus Transit
June 8, 2004, with a 400 mm lens and Mylar solar filter on 200 ISO Fujicolor (1/120 sec). .

Venus Transit June 8, 2004
in the primary focus of the C5 with a Thousands Oaks solar filter. For processing with the Registax program the best 100 pictures were used

Venus Transit June 8, 2004
in the primary focus of the C5 with a Thousands Oaks solar filter. For processing with the Registax program the best 100 pictures were used

Comparison of the sizes of Venus and Mercury during their transits.
using a C5 plus 6.3 focal reducer.

Venus
Exposures were made on different dates in 2002 and 2004, in the primary focus of the C11. For processing with the Registax program the best 100 of 300 pictures were used

Venus on 23 May 2004

Best Jupiter
Resolution 0.3-0.4"
13 April, 2004

Jupiter on 13 April 2004

Jupiter on 13 April 2004

Jupiter on 9 April 2004 with Io and Europa

Jupiter on 9 April 2004 at different time points

Jupiter, March 25, 2004, 23h 20 min UT, C11 with 3x Barlow, seeing 4.5/10

Jupiter, March 24, 2004, C11 with 2x Barlow, seeing 4/10

Saturn, 25 January 2004, C11 with 2x Barlow

Saturn, 25 January 2004, C11 with 2x Barlow

Saturn, 25 January 2004, C11 with 3x Barlow
Hints of the Encke Division

Saturn, 17 December 2003, 21h 47 m UT C11 with 3x Barlow

Jupiter,12 December 2003, 5h 35 m UT C11 with 2x Barlow, 600 frames stacked ,hr>

Saturn, 9 December 2003, 0h 40 m UT C11 with 2x Barlow, 600 frames stacked

Saturn, 9 December 2003, C11 with 2x Barlow, 300 frames stacked

Saturn, 12 November 2003, 1h 03 m UT
C11 with 2x Barlow. Seeing 5/10, best 500 of 2400 frames processed and stacked

First Saturn of the new winter season. 7 November 2003, 1h 47 m UT
C11 with 2x Barlow. Seeing 3/10, best 500 of 2400 frames processed and stacked

Giant Sun spots 10486 and 10488
28 October, 2003. UT 13h 20m C11 and 0.6x focal reducer plus Toucam Pro.

Giant Sunspot 10488
28 October, 2003. 13h 43m C11 and 2 x Barlow plus Toucam Pro.

Giant Sun spot 10486
28 October, 2003. 13h 17 m C11 and 2 x Barlow plus Toucam Pro.

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Partial Solar Eclipse
May 31, 2003. C5 with 6.3 focal reducer. Film Konica VX 100. Moderate seeing

Partial Solar Eclipse
May 31, 2003. C5 with 6.3 focal reducer. Film Konica VX 100. Moderate seeing

Partial Solar Eclipse
May 31, 2003. C5 with 6.3 focal reducer. Film Konica VX 100. Moderate seeing

Partial Solar Eclipse
May 31, 2003. C5 with 6.3 focal reducer. Film Konica VX 100. Moderate seeing\

Partial Solar Eclipse
May 31, 2003. C5 with 6.3 focal reducer. Film Konica VX 100. Moderate seeing
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Partial Solar Eclipse
May 31, 2003. C5 with 6.3 focal reducer. Film Konica VX 100. Moderate seeing

Partial Solar Eclipse May 31, 2003. Photo by my son-in-law Gert-Jan van der Tuuk. Digital Nikon D 100 camera

May 7,2003 Mercury movie (1) (272 Kb, short version)

May 7,2003 Mercury movie (2) (1.2Mb, best quality)

May 7,2003 Mercury movie (3) (500Kb, lower quality)

PICTURES MERCURY Transit May 7,2003

Partial Eclipse of Callisto (left) by Ganymede (right)
March 15, 2003 from 22h08m -22h22m UT. C11 and 2 x Barlow plus Toucam Pro. 30 sec exposures with 15 sec intervals. Best 100 of 300 processed with Registax. Seeing 7/10
Note that the Northern part of Callisto is eclipsed, while Ganymede is moving slowly to the right

Changes in the region encompassing the Great Red Spot over a period of almost 2 months

27 February 2003 19h45m UT. 2400 pictures made with a C11 plus 2x Barlow and a Philips Toucam Pro webcam.149 pictures stacked after processing with Registax and IRIS. Seeing very moderate.

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21 February 2003. An animation of the transit of Ganymede and its shadow (last part)

Jupiter 17 February 2003

Jupiter 14 February 2003

Saturn 10 January 2003

Jupiter 5 January 2003

Jupiter 5 January 2003

Jupiter
Exposure made on January 5, 2003 with the C11 and a 2 x Barlow lens. For processing with the Registax and IRIS programs the best 300 of 1000 pictures were used.

Saturn
Exposure made on January 10, 2003, 20h49 UT with the C11 and a 2 x Barlow lens. For processing with the Registax and IRIS programs the best 300 of 1000 pictures were used.

Jupiter
Exposure made on December 3, 2002, 2h05 UT with the C11 and a 2 x Barlow lens. For processing with the Registax and IRIS programs the best 300 of 1000 pictures were used.

Saturn
Exposures were made on November 5, 2002, 23.54 MET (green) and November 6, 2002 1.24 MET (red)with the C11 and a modified Toucam SC to catch the moons. There is a 1 1/2 hour time span between the green and the red images The overexposed Saturn was replaced by a short exposure of the planet. tr>

Saturn
Exposure was made on October 7, 2002, with the C11 and a modified ToUCam SC webcam to catch the moons. The overexposed Saturn was replaced by a short exposure image of Saturn. Eight of the nine classical moons are visible. M=Mimas,E=Enceladus, D=Dione, T=Thetys, R=Rhea, Ti=Titan, J=Iapetus and H=Hyperion

Saturn
Exposures were made on October 5, 2002, November 6, and November 22, 2002 with the C11 and a 2 x Barlow lens. For processing with the Registax and IRIS programs the best 270 of 540 pictures were used. Note the change of the shadow.

Saturn
Animation of the Saturnian shadow. Exposures were made on October 5, 2002, November 6, 2002, and November 22, with the C11 and a 2 x Barlow lens. For processing with the Registax and IRIS programs the best 270 of 540 pictures were used. Note the change of the shadow.

Saturn
Exposure was made on October 5, 2002, with the C11 and a 2 x Barlow lens. For processing with the Registax and IRIS programs the best 270 of 540 pictures were used. Seeing was good. Best picture of Saturn until now

Saturn
Reprocessaing of an exposure made on October 5, 2002 with the C11 and a 2 x Barlow lens. For processing with the Registax and IRIS programs the best 300 of 1000 pictures were used.
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Eight Saturn moons
Exposure was made on September 30, 2002, with the C11 in primary focus with a SC modified Toucam Pro. For processing the K3CCD Tools was used. Seeing was good. Mosaic with a normal picture of Saturn

Neptune
Exposure was made on September 13, 2002, with the C11 and a 2 x Barlow lens. For processing with the Registax and IRIS programs the best 100 of 300 pictures were used. For the moons 50 pictures were made with a modified Toucam Pro and processed with the K3CCD Tools program

Uranus
Exposure was made on September 12, 2002, with the C11 and a 2 x Barlow lens. For processing of the planet with the Registax and IRIS programs the best 100 of 300 pictures were used. For the moons 50 pictures were made with a modified Toucam Pro

Venus
Exposures were made on different dates in 2002, in the primary focus of the C11. For processing with the Registax program the best 100 of 300 pictures were used

Venus
Exposure was made on May 31, 2002, 19h40m MEZT with a C11 plus a 2x Televue Barlow lens (effective focal length 5600 mm) with a Philips ToUcam Pro. Exposure time 1/1500 sec. Seeing: poor. For processing with the Registax program the best 20 of 150 pictures were used Diameter Venus 12.9"; phase 81.6%; the Sun was 17� above the horizon

Venus
Exposures were made on May 31 (left) and July 15, 2002 (right), with a C11 plus a 2x Televue Barlow lens (effective focal length 5600 mm)(left) and in the primary focus of the C11 plus a Meade 4000 blue filter # 47 (right). For processing with the Registax program the best 20 of 150 pictures were used
May 31, 2002: Diameter Venus 12.9"; phase 81.6%
July 15, 2002: Diameter Venus17.1" ;phase 66.1%

Saturn
Exposure was made on March 1, 2002, with a C11 plus a 2 x Barlow lens (effective focal length 5600 mm) with a Philips ToUcam Pro. Exposure time 1/25 sec. Seeing: average to poor. For processing with the IRIS program the best 60 of 600 pictures were used Processing included wavelet analysis and van Cittert deconvolution (upper)

Jupiter Animation
Exposure was made on March 1, 2002, from 20h45m to 22h35m MET (10 min intervals) with a C11 plus a 2 x Barlow lens (effective focal length 5600 mm) with a Philips ToUcam Pro. Exposure time 1/25 sec. Seeing: poor. For processing with the IRIS program the best 30 of 150 pictures were used Processing included wavelet analysis and van Cittert deconvolution

Jupiter
Exposure was made on February 17, 2002 with a C11 plus a 2 x Barlow lens (effective focal length 5600 mm) with a Philips ToUcam Pro. Exposure time 1/25 sec. Seeing: average to poor. For processing with the IRIS program the best 30 of 150 pictures were used Processing included wavelet analysis

Saturn
Exposure was made on February 17, 2002, with a C11 plus a 2 x Barlow lens (effective focal length 5600 mm) with a Philips ToUcam Pro. Exposure time 1/25 sec. Seeing: average to poor. For processing with the IRIS program the best 50 of 300 pictures were used Processing included unsharp masking and van Cittert deconvolution

Jupiter
Exposure was made on February 16, 2002, 19h 35m(up) and 19.50 (down) with a C11 plus a 2 x Barlow lens (effective focal length 5600 mm) with a Philips ToUcam Pro. Shadow of Callisto and Moon Ganymede. Notice that Oval BA is passing the Great Red Spot. Exposure time 1/25 sec. Seeing: poor. For processing with the IRIS program the best 30 of 150 pictures were used Processing included wavelet analysis and van Cittert deconvolution

Saturn
Exposure was made on February 15, 2002 with a C11 plus a 2 x Barlow lens (effective focal length 5600 mm) with a Philips ToUcam Pro. Exposure time 1/25 sec. Seeing: average to poor. For processing with the IRIS program the best 50 of 290 pictures were used Processing included wavelet analysis and van Cittert deconvolution(upper) Also the single best crude picture of the series is shown, which has not undergone any processing (lower)

Jupiter
Exposure was made on February 15, 2002, 21h 10m with a C11 plus a 2 x Barlow lens (effective focal length 5600 mm) with a Philips ToUcam Pro. Exposure time 1/25 sec. Seeing: average to poor. For processing with the IRIS program the best 30 of 150 pictures were used Processing included wavelet analysis and van Cittert deconvolution (upper) Also the single best crude picture of the series is shown, which has not undergone any processing (lower)

Jupiter
Animation of Io passing Jupiter from January 5, 2002, 2303 h MET to January 6, 2002, 00.54 MET made with a C11 in the primary focus (2800 mm) with a Philips ToUcam Pro. The other moon is Callisto. Notice the rotation of Jupiter and the Great Red Spot. Exposure time 1/25 sec. Seeing: average to poor due to light overcast. For processing with the IRIS program the best 40 of 200 pictures were used Processing included unsharp masking and van Cittert deconvolution

Jupiter
Exposure was made on January 5 23.45 en 23.55 hour MET and January 6, 2002 at 00.07 hMET with a C11 in the primary focus (2800 mm) with a Philips ToUcam Pro. The other moon is Callisto. Exposure time 1/25 sec. Seeing: average to poor due to light overcast. For processing with the IRIS program the best 40 of 200 pictures were used Processing included unsharp masking and van Cittert deconvolution

First picture: Saturn
Exposure was made on December 30, 2001 with a C11 in the primary focus (2800 mm) with a Philips ToUcam Pro. Exposure time 1/25 sec. Seeing: average to poor due to light overcast. For processing with the IRIS program the best 70 of 250 pictures were used Processing included unsharp masking

First picture: Saturn
Exposure was made on December 30, 2001 with a C11 in the primary focus (2800 mm) with a Philips ToUcam Pro. Exposure time 1/25 sec. Seeing: average to poor due to light overcast. For processing with the IRIS program the best 70 of 250 pictures were used Processing included van Cittert deconvolution

First picture: Saturn
Exposure was made on December 30, 2001 with a C11 in the primary focus (2800 mm) with a Philips ToUcam Pro. Exposure time 1/25 sec. Seeing: average to poor due to light overcast. For processing with the IRIS program the best 70 of 250 pictures were used Processing included unsharp masking and van Cittert deconvolution
Note the faint inner cr�pe ring (ring C) and the ball visible through the Cassini separation.

Saturn
Exposure was made on December 30, 2001 with a C11 in the primary focus (2800 mm) with a Philips ToUcam Pro. Exposure time 1/25 sec. Seeing: average to poor due to light overcast. For processing with the IRIS program the best 90 of 460 pictures were used Processing included unsharp masking and van Cittert deconvolution
Note the faint inner cr�pe ring (ring C) and the ball visible through the Cassini separation.

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