Veil Nebula Mosaic

Here is the final 3 by 3 frame mosaic of the Veil Nebula, a supernova remnant from a star that blew up around 8000 years ago (source Wikipedia). Each frame has an hour exposure at the moment, something I may add to on the next clear night. The processing of this one was somewhat tricky as the conditions were variable night to night. Some of the frames had brighter backgrounds than others and although Microsoft's ICE did a reasonable job of matching them there is only so much it could do. I did come up with a novel way of using the multi-scale decomposition tool and a layered combine with a synthetic residual layer that worked very well. Matter of fact it worked so well that I may be able to replace flats with it in my normal processing. Click on the image to see a higher resolution version (it's a big download), then click again to return to this page.
Witches Broom (NGC 6960 - click on image to see high resolution version)
NGC 6992 (click on image to see high resolution version)
Object Veil Nebula  Object RA 20:51:10 Dec 31:02:00
Date 26 July, 2019
Exposure 60 minutes (12 X 5 minutes) per frame for a total of  9 hours
ISO 800
Camera Canon 60Da DSLR
Optics Prime focus of a  SkyWatcher Esprit 120 f/7 APO refractor with a focal length of 840 mm
Location Marrion Bridge, Nova Scotia
Processing This image was captured using Mosaic Engine and the mosaic built using Microsoft's Image Composition Editor and then processed entirely in Images Plus.