FILE: Messier 46 DESCRIPTION: An open cluster in Puppis (The Stern). The little planetary nebula in the image is NGC2438 and not part of the open cluster. Exposure Details Total Time Lum Red Green Blue Approx. 110 minutes at F/6.3 30 30 25 25 Scope Camera Guiding Meade 10" LX200GPS SBIG ST2000XM F/6.3 FR in Ted Agos Adapter Click here for some interesting details about this M46 and NGC2438. CREDITS: Mike Thompson-Renzi COPYRIGHT: Starhoo Observatory, www.starhoo.com, Lakeville, MA.