Kjell H. Winnem
Location of Photo:
Date/Time of photo:
Sep 28 2010
Homebuilt 10 inch Newtonian and mount in dome. Cam.:Meade DSI Pro II guided off-axis with mod. ToUcam 840K Pro II and PHD, GPUSB interface to mount. Exp.: H-a 30min, SII 2x30min, OIII 2x30min, HST-palette. Processing: Nebulosity2 and PS CS3.
Part of the Western Veil (NGC6960) in the Cygnus Loop, a supernova remnant abt. 7000 years old,discovered in 1784 by William Herschel. Oxygen emits most of the light from this nebula,seen as blue filaments in the picture.