Great Cluster in Hercules
|
M13 |
|
 |
Object |
| Type |
Globular Cluster |
| Constellation |
Hercules |
| Distance |
25,100 ly |
| Magnitude |
5.8 |
| Angular
Size |
20 arc min |
| Size |
145 ly |
| More
Info |
SEDSAPODEssay by Robert Gendler © |
|
Image |
| Date |
6/14/2008 |
| Place |
Carlsbad, CA |
| Exposure
Data |
LRGB 30:15:15:15 mins @ -15C
L 6x5, R 3x5, G 3x5, B 3x5 (bin 1x1) |
| Notes |
|
|
Equipment |
| Optics |
Vixen VC200L |
| Focal
Length |
1280mm @f/6.4 |
| Mount |
Astro-Physics 900GTO |
| Camera |
SBIG ST-2000XM (KAI-2020M) |
| Focuser |
Robo-Focus |
| Filters |
CFW10A, Astrodon RGB |
| Software |
CCD Commander, MaxIm DL, CCDStack, Photoshop |
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