Craig & Tammy Temple
Location of Photo:
Date/Time of photo:
March 4 & 5, 2010
Celestron C8 Schmidt-Cassegrain at f/6.3; Atlas EQ-G, guided; Canon Digital Rebel T1i, Hap Griffin Baader modified; Astronomik CLS-CCD EOS Clip; 122 x 300sec @ ISO 800 (10hr. 15min.)
M109 (NGC3992) is a magnitude 10.60 barred spiral galaxy that is approximately 46 million light years distant in the constellation Ursa Major. It was discovered in 1781 by Pierre Méchain, and again in 1783 by Charles Messier when he added it as entry number 109 in his famous catalog.