NGC 6888 - Crescent Nebula Area
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The Crescent Nebula or NGC 6888is an emission nebula in the constellation Cygnus. The distance from the Earth is about 5000 light years. |
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Location / dates |
Μauna Keratea Obs July 2010 (Ηα) & September 2011 (Sii,Oiii) |
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Telescopes |
WO Zenith Star ED70 (Ha) & TS APO 65Q - 65mm f/6,5 Quadruplet Astrograph (SiiOiii) |
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Field Flatener |
Astro-Tech 2” for the WO ED70 |
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Mount |
Sky Watcher EQ6 Pro |
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Camera |
QHY9 Temp -25c |
| Guiding | Finder 8x50,TS OAG QHY5 |
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Filters /Exposures |
Ha : 20x1200 bin 1x, Oiii : 24x600 bin 2x,, Sii : 14x600 bin 2x |
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Total Exposure Time |
~ 13 Hours |
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Software |
Nebulosity 2, Maxim DL, PixInsight, Photoshop CS5 |
