Whirlpool galaxy

Imaged by Jean-Yves Beninger from Singapore on 16 April 2004

 

LX200GPS 12" at f10, field derotator, AO7, ST8

Stack of 12 images, 5 minutes each

L Bin 2x2 : 60mn

 

M51 is a galaxy seen face-on.

This is the first galaxy found to show a spiral form. It was discovered by Messier in October 1773, and the intriguing spiral pattern was first detected by Lord Rosse with his giant 6-foot reflector at Parsonstown, Ireland, in 1845.

Burnham's Celestial Handbook