Antilhue - Chile

NGC 3960 in Centaurus
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Image Data

Designation NGC 3960,  Bennett 48
Object type Open cluster
Coordinates 11h 51 min    - 55° 41'    Centaurus  (Cen)
Description Dreyer describes this faint open cluster as fairly large (7'), becoming richer in stars and brighter.  It contains about 45 stars of magnitude 11.5 and fainter.  Total magnitude is 8.3.

The field of view is  37 x 25 arcminutes with north towards the top.

Exposure LRGB 27:9:9:9 min @ -20°C ;  all exposures 3 min unbinned
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,  Registar,  Adobe Photoshop CS
Location - Date - Time San Esteban (Chile) - 11Apr2005 @ 02:00 UTC
Conditions Transparency 8,  Seeing 8, Temperature  + 9°C