M42, M43, NGC1977
- Resolution:
- 4056x2908 px
- File size:
- 5938 KB
Photo description / processing
My first decent RGB stack, I'd like to collect more. A third of the frames were rejected due to haze. But this is the BTO, you could even shoot it with a shoe.
Processing is light, no star separation, no fussing with layers. Just RGB combination, gradient removal, noise reduction, and stretching. That's it. Didn't even touch the curves to avoid eye strain. The center is blown out? Well, that's because of the exposure.
Technical information
- Telescope/Lens
- Sharpstar 76 edph 4,5
- Camera
- Zwo 1600mm
- Mount
- Heq 5 PRO
- Guide Scope
- OAG
- Guide Camera
- ZWO 220mm
- Software
- Pixinsight
- Location
- Мозырь, Беларусь
Light pollution
Blue, Bortle 3 zone
- Date taken
Exposure
- 90 × 60″ · ISO/Gain: 139 · R
- 90 × 60″ · ISO/Gain: 139 · G
- 74 × 60″ · ISO/Gain: 139 · B
Total exposure: 4 h 14 m
NGC 1976
Nov 14th, 2025 · UTC · Moon information 28% · >15° / Astronomical night: 8.25 h









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