Antilhue - Chile
Antilhue - Chile
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| Designation | M 8, NGC 6523, Hourglass nebula |
| Constellation | Sagittarius (Sgr) |
| Description | This fine nebula, dicovered by Messier in 1764, shows very extensive luminosity of varying brightness with dark irregular lanes followed by a bright open star cluster (NGC 6530). The brightest part is called the Hourglass nebula and is excited by the star Herschel 36. Distance: about 5000 lightyears. |
| Exposure | Ha 60 min @ -16°C, 1x1 |
| Camera | SBIG ST-10E selfguided, CFW-8, Custom Scientific 3nm Ha Filter |
| Optics | Astro-Physics AP155EDFS @ f/7.2 (prime focus) |
| Mount | Astro-Physics AP1200GTO |
| Software | MaxIm DL/CCD, Adobe Photoshop 6.0 |
| Location - Date - Time | San Esteban (Chile) - 06May2002 - 07:00 UTC |
| Conditions | Transparency 7, Seeing 6, Temperature +13°C |
