Abell 31
Abell 31 |
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Abell 31 |
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Object Data |
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| Object type: | Planetary Nebula | |
| Size: | ||
| Magnitude: | ||
| Constellation: | Cancer | |
| Distance: | 2,000 light years | |
| Notes: | very large but dim object; also cataloged as Sharpless 290 | |
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Exposure Data |
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| Date: | 2/28/17 (imaged over 3 nights) | |
| Location: | Backyard Observatory, Carlsbad, CA | |
| Telescope: | TEC 140, 980mm fl at f/7 | |
| Camera: | SBIG ST10-XME with Astrodon narrowband filters (3nm) | |
| Mount: | Losmandy G-11 | |
| Exposure time: | 4 hrs Ha/ 4hrs OIII/ 4 hrs NII | |
| Exposure time total: | 12 hours | |
| Notes: | FOV = 52 x 35 arcmin Mapped red to NII, Blue to OIII, and Green to Ha |
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