Antilhue - Chile

NGC 2506 in Monoceros
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Image Data

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