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NGC 7023 (Iris Nebula)
Technical Details: |
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| Optics: | 12" ASA Astrograph at F/3.6 |
| Mount: | ASA DDM 85 |
| Camera: | SBIG STL-11000M |
| Filters: | Astronomik LRGB filters |
| Dates/Times: | 23,29 August 2011 |
| Location: | Rozhen |
| Exposure Details: | L = 60 min, R = 60 min., G = 60 min.,B = 60 min.; |
| Subexposures: | 10 minutes |
| Acquisition: | CCD Soft |
| Processing: | PixInsight, Photoshop CS |
