IC 2177 Complex known as the Seagull Nebula, that includes NGC 2337, and Gum 1 (patch of nebulosity at right) and NGC 2343 cluster at left and NGC 2335 cluster at top. It is on the Monoceros-Canis Major border. This is a stack of 4 x 12 minute exposures at ISO 800 with the filter-modified Caon 5D MkII and thru the Astro-Physics 105mm Traveler apo refractor at f/5.8 with the 6×7 field flattener. Taken from Timor Cottage, Coonabarabran, NSW, Australia, December 12/13, 2012. Shot without a dark frame subtraction by mistake.
The Amazing Sky 