North is to the top.The soul nebula, (sh2-199, LBN 667) is an emission nebula in the constellation Cassiopeia. The nebula is about 6000 light-years from Earth. The image was created using the Hubble color palette, with SII, Ha and OIII data mapped to red, green and blue respectively. Adjustments to the color channel levels creates the popular turquoise and gold motif.
Taken from 11/13/2012 to 1/5/2013 in Chino Valley, AZTakahashi FSQ – 106ED w/ an SBIG STF – 8300 camera using Baader filters Exposure Details SII 330 min. (22 x 15 min.) Ha 330 min. (22 x 15 min.) OIII 495 min. (33 x 15 min.)
For more info see http://bf-astro.com/sh2-199/sh2-199nb.htm