NGC 7023-The Iris Nebula
June 15 and 17, 2013
Scope: Orion 8 inch f3.9 astrograph
Mount: Atlas EQ-G
Camera: Nikon D3000
Format: raw, ISO 1600
Exposure: 45 x 360 sec, 4.5 hours with darks, flats and bias
Guiding: Orion SSAG using 80mm short tube rerfractor
Software: PHD guiding,Deep Sky Stacker, Photoshop CS3 and Carboni Astro Tools.