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Messier 101 (Pinwheel Galaxy)
Uploaded by
EPinNC
, Jun 05 2023 07:36 AM
- Owner: EPinNC (View all images and albums)
- Uploaded: Jun 05 2023 07:36 AM
- Taken: 2024:03:06 14:54:02
- Views: 319
- Album: Tracked Telescope and Camera/Lens Images
Under smoky skies from Canadian fires over 4 nights:
2023 May 10 (before supernova)
2023 May 21
2023 May 24
2023 Jun 06
Acquisition:
Bortle 7 skies
Nikon D5600 camera
ISO 400
Astro-Tech AT102ED refractor, 714mm focal length, f/7
HoTech 2" SCA field flattener (1X)
iOptron CEM26 mount
30s x 431 frames (3h 35m)
Processing:
Siril 1.2.0-beta2:
Crop to 4000 x 3000px
Photometric color calibration
Background extraction
Generalized hyperbolic transformation (twice)
Histogram adjustment
RawTherapee 5.8:
L*a*b* CL curve
Luminance noise reduction
Saturation
GIMP 2.10:
Luminance curve
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