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NGC 2237 (Rosette Nebula) in Ha & O III
| Two color narrowband image. The Ha is mapped as red and O III - as blue. Synthetic green channel was obtained in Photoshop using Noel Carboni's Actions |
Technical Details: |
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| Optics: | 12" ASA Astrograph at F/3.6 |
| Mount: | ASA DDM 85 |
| Camera: | SBIG STL-11000M |
| Filters: | Baader 8nm narrowband filters |
| Dates/Times: | January 2011 |
| Location: | Home Observatory Varna |
| Exposure Details: | Ha = 180 min., OIII = 180 min. |
| Subexposures: | 30 minutes |
| Acquisition: | CCD Soft |
| Processing: | PixInsight, Photoshop CS |