M108 is a magnitude 10.7 Sc-type spiral galaxy that is seen nearly edge-on from our vantage point. It is located in Ursa Major near the Owl Nebula. This object was added to the Messier catalog after Messier's death based on his records and papers indicating that he has discovered it but failed to add it to his list before he died.
This image was designated by Astronomy Magazine as the "Picture of the Day" for May 17, 2005 and published in the May 20, 2005 issue of the Astronomy Magazine Newsletter.
This is an LRGB composite CCD image. An ST-8E CCD was used at prime focus on a Takahashi FCT-150 refractor at f7. The optical tube assembly was carried on a Takahashi NJP Temma mount. The image was assembled from data collected on seven different nights between April 18 and April 27. This image was taken from my backyard in Scottsdale, Arizona.
M108 (NGC 3556)
Constellation: Ursa Major
RA: 11h 11m 52.2s Dec: +55d 38' 43"
April 18-27, 2005
Image by Sid Leach
Scottsdale, Arizona
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