NGC 2359: Thor's Helmet
NGC 2359: Thor's Helmet |
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NGC 2359 |
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Object Data |
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| Object type: | Emission Nebula | |
| Size: | 30 light years | |
| Magnitude: | 11.4 | |
| Constellation: | Canis Major | |
| Distance: | 11,900 light years | |
| Notes: | The central star is the Wolf-Rayet star WR7, an extremely hot star thought to be in a brief pre-supernova stage of evolution. | |
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Exposure Data |
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| Date: | 1/11 - 1/15/21 | |
| Location: | Backyard Observatory, Carlsbad, CA | |
| Telescope: | TEC 140 Refractor; fl = 980 mm at f/7 | |
| Camera: | QSI 683-wsg-8 with Astronomik Filters | |
| Mount: | Losmandy G-11 Gemini 1 | |
| Exposure time: | Ha: 21 x 15min, OIII: 16 x 15 min, RGB: 12 x 5 min each | |
| Exposure time total: | 12.25 hrs | |
| Notes: | This is a bicolor narrowband image with Ha = red; and OIII = blue and green. RGB channels used for star color |
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