Images March 2019 till recent
Last updated 12 January 2021
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Images December 2001-August 2012
Images September 2012-December 2013
Images January 2014-May 2015
Images June 2015-February 2019
Recent publications

Webinar "On discovery tour on Mars (Dutch), 3 October 2020, Twisk

Mars 12 January 2021

Mars 10 January 2021

Jupiter-Saturn Conjunction 22 December 2020

Jupiter-Saturn Conjunction 22 December 2020

Jupiter-Saturn Conjunction 22 December 2020

Jupiter and Saturn 18 December 2020

Jupiter-Saturn Conjunction 10-17 December 2020

Jupiter-Saturn Conjunction 10 December 2020

Mars 10 December 2020

Moon 5 December 2020

Mars 4 December 2020

Mars 22 November 2020

Mars 19 and 20 November 2020


Mars 12 November 2020



Mars 7 November 2020


Mars 5 November 2020

Mars 2 November 2020

Mars 26 October 2020




Mars 22 October 2020

Mars 19 October 2020


Mars 17 October 2020

Mars 16 October 2020


Mars 13 October 2020



Mars 11 October 2020

Mars 09 October 2020

Mars 22 September 2020

Mars 21 September 2020



Mars 18 September 2020




Mars 16 September 2020




Mars 14 September 2020


Mars 12 September 2020


Mars 10 September 2020

Mars 2 September 2020


Mars 29 August 2020

Neptune 19 August 2020


Mars 19 August 2020

Mars 15 August 2020


Mars 13 August 2020

Mars 11 August 2020

Neptune 6 August 2020




Mars 2 August 2020

Mercury 31 July 2020

Venus 31 July 2020

Mars 30 July 2020

Mars 22 July 2020

Comet NEOWISE C/2020 F3 21 July 2020

Mars 21 July 2020


Mars 18 July 2020

Mars 15 July 2020

Mars 13 July 2020

Mars 11 July 2020

Saturn 10 July 2020


Mars 26 June 2020


Jupiter 26 June 2020



Mars 25 June 2020


Jupiter 24 June 2020


Mars 23 June 2020


Saturn 23 June 2020

Mars 19 June 2020


Jupiter 19 June 2020


Saturn 19 June 2020



Venus Occultation of the Northern cusp and bright limb 19 June 2020


Venus Occultation of the Northern cusp and bright limb 19 June 2020

Video Venus occultation 19 June 2020 (Normal speed) CLICK HERE

Video Venus occultation 19 June 2020 (5 x enhanced speed) CLICK HERE

Video Venus occultation 19 June 2020 (Normal speed) CLICK HERE

Video Venus occultation 19 June 2020 (5 x enhanced speed) CLICK HERE

Venus 8 June 2020


Venus 30 May 2020

Saturn 28 May 2020

Jupiter 28 May 2020

Saturn 27 May 2020

Saturn 26 May 2020

Jupiter 26 May 2020

Venus 25 May 2020

Mercury May 2020

Mercury 25 May 2020

Mercury 23 May 2020

Venus 23 May 2020

Mercury 21 May 2020

Venus 21 May 2020

Mercury 20 May 2020

Venus 20 May 2020

Venus 19 May 2020

Mercury 17 May 2020


Venus 17 May 2020


Venus 14 May 2020


Venus 13 May 2020

Venus 11 May 2020


Saturn 10 May 2020


Jupiter 10 My 2020


Jupiter 9 May 2020

Venus 9 May 2020

Venus 8 May 2020


Jupiter 26 Aprilh 2020

Saturn 25 April 2020

Jupiter 25 April 2020

Venus 24 April 2020


Venus 11 April 2020

Gassendi 26 March 2020

Venus 26 March 2020


Venus 25 March 2020



Venus 24 March 2020

Venus 23 March 2020

Venus 22 March 2020

Venus 21 March 2020

Venus 16 March 2020

Venus 12 March 2020


Venus 7 February 2020

Venus 6 February 2020

Venus 4 February 2020

Venus 1 February 2020

Venus 29 January 2020


Venus 23 January 2020

Venus 19 January 2020



Venus 18 January 2020

Neptune 10 January 2020

Neptune 06 January 2020

Venus 06 January 2020

Uranus 27 December 2019

Neptune 9 December 2019


Uranus 30 November 2019



Neptune 30 November 2019

Neptune 8 November 2019

Neptune 30 November 2019

Neptune 8 November 2019

Neptune 30 October 2019

Neptune 17 October 2019



22.36 UT


Neptune 8 September 2019


Uranus 8 September 2019

Satun 8 September 2019

Neptune 26 August 2019

Uranus 26 August 2019

Saturn 25 August 2019

Neptune 25 August 2019

Jupiter 25 August 2019

Jupiter 24 August 2019


Saturn 22 August 2019

Jupiter 22 August 2019


Neptune 21 August 2019

Uranus 21 August 2019

Jupiter 7 August 2019


Saturn 7 August 2019



Jupiter 1 August 2019


Neptune 30 July 2019

Jupiter 29 July 2019

Uranus 24 July 2019

Neptune 24 July 2019


Jupiter 22 July 2019

Saturn 22 July 2019


Jupiter 16 July 2019

Saturn 16 July 2019

Saturn 09 July 2019

Jupiter 09 July 2019

Jupiter 6 July 2019

Saturn 5 July 2019

Jupiter 8 June 2019





Jupiter 15 May 2019

Jupiter 10 May 2019

Jupiter 9 May 2019

Jupiter 8 May 2019

Jupiter 7 May 2019

Jupiter 6 May 2019

Jupiter 5 May 2019

Saturn 29 March 21019