M109 (NGC 3992) is a barred spiral galaxy. It is found in the constellation Ursa Major (Great Bear), has a magnitude of 9.8, and a size 7x4 arc-minutes.

The image above is a composition of 20 one minute exposures.  Half were unguided, half were guided with a 3 second exposure.  The unguided images were a bit better.  Processing included flat fielding.  Taken with the 12" LX200 at f/6.3 and the ST-8E.  Unbinned, and then shrunk for display.  June 30, 2000 at the ARGO site.