Antilhue - Chile
Antilhue - Chile
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| Designation | NGC 2506, Bennett 39, Caldwell 54 |
| Object type | Open cluster |
| Coordinates | 08h 12 min - 10° 46' (Mon) |
| Description | A fine mag. 7.6, pretty large
(7') very rich open cluster of about 150 stars from mag 11to mag 20.
It sits in the south-east corner of the constellation of Monoceros.
The field of view is 37 x 25 arc minutes. North is up. |
| Exposure | NRGB 27:9:9:9 min @ -20°C ; all exposures unbinned, no filter on luminance |
| Camera | SBIG STL-11000 with Astronomik Type 2 filterset - selfguided |
| Optics | RCOS 14.5" Ritchey-Chrétien @ f/9 (prime focus) |
| Mount | Astro-Physics AP1200GTO |
| Software | MaxIm DL/CCD, Sigma Pre Beta 11, Registar, Adobe Photoshop CS |
| Location - Date - Time | San Esteban (Chile) - 25Mar2006 @ 00:30 UTC |
| Conditions | Transparency 7, Seeing 7, Temperature + 14°C |
