Antilhue - Chile

Melotte 105
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Image Data

Designation Melotte 105,  Bennett 47
Object type Open cluster
Coordinates 11h 20 min    - 63° 32'   (Car)
Description Melotte 105  -  object number 105 in the catalogue of star clusters by the British-Belgian astronomer Philibert Jacques Melotte (Jan 29, 1880 - Mar 30, 1961)  -  is the first of two clusters that lie within a degree of each other in north-eastern Carina at the Centaurus border. It has a combined magnitude of 8.5, and contains about 70 stars of mag 11.1 and fainter, covering about 4' of sky.

The field of view is  37 x 25 arcminutes with north to the left.

Exposure LRGB 30:9:9:9 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, PixInsight V.1, Adobe Photoshop CS
Location - Date - Time San Esteban (Chile) - 03Apr2005 @ 03:00 UTC
Conditions Transparency 5-6,  Seeing 6, Temperature  + 13°C