NGC3628 (The Hamburger Galaxy) 

Details
M: Mesu 200
T: TMB 152/1200
C: QSI690 Chroma RGB, IDAS LP for luminance

102x1200s Luminance
​75x300s in Red, Green and Blue

​Totalling 52 hours and 45 minutes in exposure time.

NGC 3628, also known as the Hamburger Galaxy is an unbarred spiral galaxy about 35 million light years away in the constellation of Leo. It is part of the Leo triplet, which is a small group of galaxies including M65 and M66. 

Towards the upper middle of this image you can see a faint tidal tail - This is approximately 300,000 light years in length.

The galaxy was first discovered by William Herschel in 1784.