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 |