Antilhue - Chile

NGC 5617 in Centaurus
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Image Data

Designation NGC 5617,  Bennett 65
Object type Open cluster
Coordinates 14 h 30 min    - 60° 43'    Centaurus  (Cen)
Description NGC5617  is a mag 6.3 open cluster located 1.2 degrees west of Alpha Centauri,  just north of an imaginary line drawn between Alpha and Beta. Dreyer's description reads: " large (10'), richer in stars to the west (about 80 total), with a compressed middle. It contains stars of magnitude 8 and fainter."  

In the lower right corner is the very faint cluster Pismis 19.  The field of view is  25 x 18 arcminutes with north towards the left.  

Exposure RGB 16:16:16 min @ -25°C ;  all exposures 4 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) - 05Jul2005 @ 00:00 UTC
Conditions Transparency 8/10,  Seeing 5/10, Temperature  + 7°C