M42 Dual Band
By Roy Foreman
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M42 The Orion Nebula
18th January 2020
16" f/4.5 Reflector
Nikon D810a
Optolong L-enhance dual band filter
8 x 60 sec at ISO 1600
6 x 10 sec at ISO 1600
Processed in Deep Sky Stacker and Photoshop
The dual band filter does tend to impart a blue colour balance to the image which I find hard to process out without adversely affecting the red tones.
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