NGC 6888, the Crescent Nebula, captured from a city window.
Photo description / processing
NGC 6888 - the emission nebula Crescent, Sickle, Ear in the constellation Cygnus. Balcony window, 4th floor - Bortle 8. Celestron Advanced GT, SvBONY SV503 102ED, ZWO Duo Band 2", SV193 0.8x, Nikon D5000 mod - 90x60 sec, ISO-1600, no calibration frames. Guiding - SV106 60/240 mm, SV305M Pro, PHD Guiding 2. DeepSkyStacker, PhotoShop, GraXpert.
Technical information
- Telescope/Lens
- SVBONY SV503 102mm ED
- Camera
- Nikon D5000 (astro-modified)
- Mount
- Celestron CG-5 Advanced GoTo
- Guide Scope
- SVBONY SV106 60/240
- Guide Camera
- SVBONY SV305M Pro
- Accessories
- SVBONY SV193 0.8x Reducer/Flattener
- Software
- PHD2, DeepSkyStacker, Adobe Photoshop, GraXpert
- Location
- Челябинск, Россия
Light pollution
Red, Bortle 7 zone
Exposure
- 90 × 60″ · ISO/Gain: 1600 · ZWO Duo Band 2"
Total exposure: 1 h 30 m
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