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.
