M 1 Crab Nebula
Photo description / processing
It was -23 outside, the camera cooled down to -15, so there was such natural cooling. Because it's damn cold, I didn't set up the autoguider and didn't rebalance the mount after visual, in this configuration, the subs were already going at 10 seconds unguided, despite all this horror, guiding with an error of 0.82" was consistently producing good five-minute frames.
Technical information
- Telescope/Lens
- Explore Scientific ED APO 127
- Camera
- ZWO ASI 585 MC
- Mount
- Takahashi EM-200 Temma-2
- Guide Scope
- Svbony 60
- Guide Camera
- ZWO ASI 120 MM Mini
- Accessories
- Optolong L-eXtreme 1.25"
- Software
- DSS, Siril, Starnet, GraXpert, Topaz DeNoise, Lightroom
- Location
- Село Павловка, Россия
Light pollution
Yellow, Bortle 5 zone
- Date taken
Exposure
- 24 × 300″ · ISO/Gain: 252 · Light ·
- 3 × 300″ · ISO/Gain: 252 · Dark ·
Total exposure: 2 h 15 m
Photo versions
Current photo
M 1 Crab NebulaJan 23rd, 2025
2 h 15 m
It was -23 outside, the camera cooled down to -15, so there was such natural cooling. Because it's damn cold, I didn't set up the autoguider and didn't rebalance the mount after visual, in this configuration, the subs were already going at 10 seconds unguided, despite all this horror, guiding with an error of 0.82" was consistently producing good five-minute frames.
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