Online Messier Marathon – 5th edition! – 17 April 2013
an official event for Global Astronomy Month (April 2013) *** Join it LIVE here! *** Would you like to explore the many treasures of the famous Messier Catalogue from home? Would you like to...
an official event for Global Astronomy Month (April 2013) *** Join it LIVE here! *** Would you like to explore the many treasures of the famous Messier Catalogue from home? Would you like to...
– Comets C/2025 A6 Lemmon & C/2025 R2 SWAN 2025 flyby (20 Oct. 2025)