Cosmic "Herring" and "Hockey Stick". NGC 4656, NGC 4631
Photo description / processing
In the second half of the night, the atmosphere completely deteriorated. Even the calibration frames didn't help.
Captured under moonlight, with 70.8% illumination.
Technical information
- Telescope/Lens
- Sky-Watcher 150/750PDS
- Camera
- ZWO ASI533MC Pro
- Mount
- JUWEI 14
- Guide Scope
- SVBONY SV165 Mini 40mm
- Guide Camera
- ZWO ASI120MM
- Software
- DeepSkyStacker, Pixinsight, Adobe Photoshop
- Location
- Смоленск, Россия
Light pollution
Blue, Bortle 3 zone
Exposure
- 46 × 180″ · ISO/Gain: 100 · Optolong L-pro
Total exposure: 2 h 18 m
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