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Crescent Nebula, Caldwell 27, LBN 203, NGC 6888 |
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Select for a large image here Select for a mouseover OIII-HAlpha comparison image here |
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Crescent Nebula, Caldwell 27, LBN 203, NGC 6888 |
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Select for a large image here Select for a mouseover OIII-HAlpha comparison image here |
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Object |
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Type |
Nebula, supernova remnant |
| Constellation | Cygnus |
| Coordinates | RA:20h 12m 06s D:+38° 21' 18" |
| Magnitude | 10,0 | Size | 18x18 arc min |
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Image |
| Optics | Starworks Ritchey-Chrétien 12" f/8 at f/6 with AP reducer |
| Mount | Losmandy G11 with Gemini goto |
| Camera | Sbig ST10XME with CFW-10 filters wheel and w/o AO-7 adaptive optics unit |
| Exposure | LUM-Halpha-OIII-R-G-B: 120-460-300-90-90-140 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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