The Details
Object
M109 in Ursa Major
Optics
Meade 16"LX200 at f/6.3
Platform
Meade LX 200 Mount
Camera
SBIG ST-8XE and AO-7 Adaptive Optics Unit
Filters
SBIG LRGB filter set
Date
11 May 2003
Location
Mount Wilson Observatory, Mount Wilson CA
Exposure
L 12 x 600 sec 1x1 bin; RG 3 x 300 sec, B 3 x 480 sec 2x2 bin
Software
Maxim DL/CCD, Registar, Photoshop
Orientation
Field of View: 18’52" x 12' 33" centered on RA 11h57m45s
DEC 53°20’22”. North angle 359.10 °; east 90° CW from north
Notes
Discovered by Pierre Mechain on March 12, 1781, and three days later by Charles Messier, this barred spiral galaxy is located approximately 50 million light years from earth in the direction of the Big Dipper's bowl.

 

 

 

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