NGC 7331 (also known as Caldwell 30) is a spiral galaxy about 40 megalight-years (12 Mpc) away in the constellation Pegasus. It was discovered by Read more
The Triangulum Galaxy is a spiral galaxy approximately 3 million light years (ly) from Earth in the constellation Triangulum. It is catalogued as Messier 33 Read more
SN 2011fe, initially designated PTF 11kly, is a star which perished in a Type Ia supernova event that is currently visible from Earth. The star Read more
The Whirlpool Galaxy (also known as Messier 51a, M51a, or NGC 5194) is an interacting grand-design spiral galaxy that is estimated to be 23 ± Read more
The Pinwheel Galaxy (also known as Messier 101 or NGC 5457) is a face-on spiral galaxy distanced 21 million light-years (six megaparsecs) away in the Read more
Supernova SN2011by was discovered by Zhangwei Jin, Ningbo, Zhejiang, China, and Xing Gao, Urumqi, Xinjiang, China on April 26, 2011. SN2011by occured in NGC3972 in Read more
Messier 81 (also known as NGC 3031 or Bode's Galaxy) is a spiral galaxy about 12 million light-years away in the constellation Ursa Major. Due Read more
NGC 4631 (also known as the Whale Galaxy or Caldwell 32) is an edge-on spiral galaxy in the constellation Canes Venatici. This galaxy's slightly distorted Read more
