Hemisphere:  Southern  ·  Contains:  B33  ·  Flame Nebula  ·  Horsehead nebula  ·  IC 434  ·  IC434  ·  NGC 2023  ·  NGC2023  ·  Orion B  ·  Sh2-277
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Horsehead Nebula (B33) HaRGB Test Affinity 1.9, 


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Horsehead Nebula (B33) HaRGB Test Affinity 1.9

Imaging telescopes or lenses: Celestron C8

Imaging cameras: ZWO ASI1600MM-Cool

Mounts: Explore Scientific G11 PMC-Eight

Focal reducers: Focal Reducer 0.63x

Software: Affinity Photo  ·  PixInsight  ·  NINA - Nighttime Imaging ‘N’ Astronomy  ·  PHD2

Filters: Astrodon Ha 1.25" 5nm  ·  Baader RGB 1.25''

Dates:Jan. 28, 2021Jan. 29, 2021Feb. 3, 2021

Baader B 1.25'' CCD Filter: 120x30" (gain: 76.00) -20C
Baader G 1.25'' CCD Filter: 120x30" (gain: 76.00) -20C
Astrodon Ha 1.25" 5nm: 80x180" (gain: 200.00) -20C
Baader R 1.25'' CCD Filter: 90x30" (gain: 76.00) -20C

Integration: 6.8 hours

Avg. Moon age: 16.91 days

Avg. Moon phase: 87.80%

Astrometry.net job: 4201041

RA center: 5h 41' 0"

DEC center: -2° 27' 12"

Pixel scale: 0.913 arcsec/pixel

Orientation: -97.348 degrees

Field radius: 0.425 degrees

Resolution: 2600x2115

Data source: Backyard


Grabbed some RGB data and blended it in Affinity Photo 1.9 with the Ha data from previous nights. The way you can work with masks in 1.9 is more like I'm used to in PS.

They actually have stacking with calibration frames in 1.9 now but haven't played with it yet pretty amazing to me they are targeting imagers. And no monthly Adobe tax what is there not to like.



License: None (All rights reserved)

Sky plot

Sky plot


Horsehead Nebula (B33) HaRGB Test Affinity 1.9,