NGC 1491 nebula in Perseus, taken Oct 15, 2007 with 5-inch apo refractor at f/6 with Canon 20Da at ISO 800 for stack of 3 x 10 minute exposures. Some haze. Used ST402 guider. Some RA tracking error (AP600E was acting up just before motor failure). One of the Finest NGC Objects.
California Nebula, with stack of 3 x 12 minute exposures with TMB 92mm apo and Canon 5D MkII at ISO 400 and Borth 0.85x Reducer/Flattener for f/4.6. Dawn prevented more exposures.
Taken with 5-inch apo refractor at f/6 with field flattener and Canon 5D camera, Hutech modified, for stack of 5 x 14 minute exposures. Taken from home Dec. 17, 2006.
