Caldwell 4 - Iris Nebula
- Resolution:
- 2001x3650 px
- File size:
- 6911 KB
Photo description / processing
The Iris Nebula (also known as NGC 7023 and Caldwell 4) is a bright reflection nebula in the constellation Cepheus.
Seestar S50 - EQ-mode
Technical information
- Telescope/Lens
- ZWO SeeStar S50
- Camera
- Sony IMX462 (Seestar S50)
- Mount
- Штатив
- Software
- Siril, GraXpert, GIMP, CosmicClarity
- Location
- Русилово, Россия
Light pollution
Green, Bortle 4 zone
- Date taken
Exposure
- 1800 × 20″ · ISO/Gain: 80 · IRCUT
Total exposure: 10 h 0 m
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