M106 Spiral Galaxy – Water Maser
Messier 106 or NGC 4258 is an intermediate spiral galaxy [...]
M100 Spiral Galaxy and Friends
M100, Messier 100 (aka NGC 4321) is a grand design [...]
M81 Bode’s Spiral Galaxy
Messier 81 (also known as NGC 3031 or Bode's Galaxy) [...]