The Pleiades star cluster, aka Seven Sisters, or M45, in Taurus. A deep exposure showing the reflection nebulosity which fills the area. This is a stack of 5 x 14 minute exposures with the TMB 92mm apo refractor and Borg 0.85x flattener/reducer at f/4.8 and Canon 5D MkII at ISO 800. Taken from home Oct 9/10, 2013.
M45 with Borg 77mm f/4 astrograph, with Canon 7D for 6 x 12 minutes at ISO400, as test of 7D noise. Last couple of images taken with Moon coming up. Stacked with Statistics: Mean. Extreme contrast boost. Noise Ninja and Reduce Noise applied to Smart Object.
M46 and M47 open clusters, with NGC 2423 above. Taken with 77mm Borg refractor at f/4.3 and Hutech-modified Canon 5D camera at ISO 800 for stack of 4 x 4 minute exposures. Taken from Ryder Cottage, April 11, 2007.