The Andromeda Galaxy, also known as Messier 31, M31, or NGC 224, is a spiral galaxy.
Martz-Kohl Observatory
non-profit organization devoted to the amateur astronomer
Category: Photos
Supernova in M51
SN 2011dh is a supernova in the Whirlpool Galaxy (M51)
Theophilus, Cyrillus and Catharina
Theophilus, Cyrillus and Catharina form a prominent group of large craters visible on the terminator 5 days after the new moon.
Jupiter
Jupiter is the fifth planet from the Sun and the largest in the Solar System. The giant planet with a mass one-thousandth that of the Sun, but two and a half times that of all the other planets in the Solar System combined.
Mercury
Mercury is the smallest and innermost planet in the Solar System.