Comet Panstarrs

Comet Panstarrs 2011

Roger NelsonComets, Log Book, Portfolios

Comet Panstarrs Comet Panstarrs (C/2011 L4) is a non-periodic comet discovered in June 2011 that became visible to the naked eye when it was near perihelion in March 2013. It was discovered using the Pan-STARRS telescope located near the summit …

M27 Dumbbell Neb

M27 Dumbbell Nebula

Roger NelsonPortfolios, Log Book, Messiers, NGC Objects

M27 Dumbbell Nebula M27 Dumbbell Nebula (also known as the Apple Core Nebula, Messier 27, and NGC 6853) is a planetary nebula (nebulosity surrounding a white dwarf) in the constellation Vulpecula, at a distance of about 1360 light-years. It was …