The Essential Guide to Astronomy
Astronomer, minor planets and comets observer, discoverer of more than one hundred minor planets and several tens variable stars, freelance author
Comets
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By: Jean-Claude MERLIN January 17, 2023
Nearby Supernova Pictures
By: Jean-Claude MERLIN April 27, 2022
Nebula & Galaxy
By: Jean-Claude MERLIN March 24, 2022
Meteors and Comets and Asteroids
By: Jean-Claude MERLIN January 9, 2022
By: Jean-Claude MERLIN January 6, 2022
By: Jean-Claude MERLIN December 31, 2021
Comet Leonard
By: Jean-Claude MERLIN December 6, 2021
By: Jean-Claude MERLIN December 4, 2021
By: Jean-Claude MERLIN December 3, 2021
By: Jean-Claude MERLIN December 2, 2021
By: Jean-Claude MERLIN December 1, 2021
By: Jean-Claude MERLIN November 29, 2021
By: Jean-Claude MERLIN November 17, 2021
By: Jean-Claude MERLIN November 1, 2021
By: Jean-Claude MERLIN October 18, 2021
By: Jean-Claude MERLIN October 16, 2021
By: Jean-Claude MERLIN October 15, 2021
By: Jean-Claude MERLIN August 17, 2021
By: Jean-Claude MERLIN July 19, 2021
Planets
By: Jean-Claude MERLIN July 18, 2021