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Starless edit of my M17 Omega/Swan Nebula data, 


            Sven Hoffmann

Starless edit of my M17 Omega/Swan Nebula data

Technical card

Resolution: 2413x2660

Dates:May 18, 2019May 24, 2019June 1, 2019June 3, 2019June 4, 2019

Baader 7nm Ha: 64x180" (gain: 139.00) -20C bin 1x1
Baader 8.5nm OIII: 59x180" (gain: 139.00) -20C bin 1x1
Baader 8nm SII: 64x180" (gain: 139.00) -20C bin 1x1

Integration: 9.4 hours

Darks: ~32

Flats: ~16

Flat darks: ~16

Avg. Moon age: 12.66 days

Avg. Moon phase: 35.17%

Bortle Dark-Sky Scale: 5.00

Mean FWHM: 3.00

Temperature: 15.00 job: 2840723

Data source: Backyard


Hi guys,

some of you may know that I really have a knack for starless edits. I consider them to represent nebulae in a form that is more highlighting the nebula itself and not provide the distractions to the eye in form of the stars. I know not everybody will agree with this point of view but this is ok :) Maybe you can still find some aesthetic beauty in this image.

This is the last low-altitude target I have shot this year. It rises only to about 21° at my location and that makes it a challenge to gather enough good quality data for me. Nevertheless I am happy with the result now. I have had this data sitting on my hard drive for a long time and you cannot imagine how many failed tries it took to edit this. Obviously this it not something you see but I am sure you can relate with your own work. After many many failed attempts and continuously trying new things in my edit process I came to this result. I hope you enjoy it :)

On thing I really like about the result is all the faint nebulosity in the outskirts of the nebula. An interesting side note to myself was that I did not expect I would need HDR transformation for this image but the central part of the nebula is so insanely bright that I really needed it :o



Sven Hoffmann
License: None (All rights reserved)


Starless edit of my M17 Omega/Swan Nebula data, 


            Sven Hoffmann