Object: M103 Camera: Meade DSI-Pro II
Date: 11/9/2006 Lens: Sigma 400mm lens
Location: West Boylston, MA
Processing:
Description:
M103
Discovered by Pierre Méchain in 1781

Open cluster M103 is one of the "latest additions" (together with M101 and 102) to his catalog, which Charles Messier included from Pierre Méchain's report, but had no occasion and no time to observe before publication.