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Abell 21, PK 205+14.1 |
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Select for a large image here Select for the H-Alpha image here |
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Object |
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Type |
Planetary nebula |
| Constellation | Gemini |
| Coordinates | RA:07h 29m 00s D:+13° 15' 00" |
| Magnitude | 14,1 | Size | 10,0x6,0 arc min |
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Image |
| Optics | Starworks Ritchey-Chrétien 12" f/8 |
| Mount | Losmandy G11 with Gemini goto |
| Camera | Sbig ST10XME with CFW10 filters wheel and AO-7 adaptive optics unit |
| Exposure | Halpha-RGB 340-90-100-140 minutes | Notes | - |
| Where is this object in the night sky? Below a sky chart of the location (from Stellarium 8.0 planetarium). |
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