Designation |
Messier 68 (M 68), NGC
4590, Bennett 51 |
Object type |
Globular cluster |
Coordinates |
12 h 40 min -
26° 45' (Hya) |
Description |
Although Messier saw no stars
when he discovered it in 1780, M 68 is a large, extremely rich globular
cluster located 3.5° SSE of Beta Corvi. Shining at a combined
magnitude of 8.2, its stars resolve at mag 12-13.
Click on the image for a higher resolution
version. The field of view is 37 x 25 arcminutes with north
towards the upper left.
|
Exposure |
LRGB 60:16:16:16 min @ -20°C
; all exposures 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, PixInsight V.1,
Adobe
Photoshop CS |
Location - Date - Time |
San Esteban (Chile) - 09Apr2005 @
04:30
UTC |
Conditions |
Transparency 8, Seeing 8, Temperature
+ 8°C |