Tuesday, September 15, 2015

Sharpless 2-112 - a small emission nebula in Cygnus

Took narrowband images of Sharpless 2-112 from our backyard:
(click on image for higher resolution)

It took me a long time to stretch the red (SII), green (Ha) and blue (OIII) to get some of the details out. This image is 18+hours of data (Ha: 2hours, OIII: 6hours, SII: 10hours).