Globular Cluster M55: M55 in the constellation of Sagittarius is a beautiful not so compact Globular Clusters so that the core region can be well resolved. It is in a distance of about 17000 LY.
The image was taken at the IAS astronomical site at the Hakos farm in Namibia.
Object |
Globular Cluster M55 |
|---|---|
Catagory |
IAS Hakos, Namibia |
Designation |
M 055 |
Constellation |
Sagittarius |
Optics |
Keller 20 inch Cassegrain f/9 in corrected secondary focus |
Camera |
SBIG STL-11000M with internal CFW 5 |
Exposure |
3 x 10min each Baader RGB filterset. Maxim DL for image acquisition |
Calibration |
Dark Frame |
|---|---|
Guiding |
StarlightXpress Lodestar on Schneider OAG, Maxim DL as Guiding Software |
Mount |
Liebscher GEM |
Processing |
Maxim DL5, CCD Stack, Photoshop. Color Code R,G,B |
Location, Date |
IAS-Hakos, Namibia - 7 Apr 2011 |
Remark |