| Acquisition Date |
: |
September 26 and 27, 2011 |
| Camera |
: |
Canon 20Da |
| Camera Settings |
: |
ISO 1600, 54x 150 seconds plus 28 x 300 sec - about 4 1/2 hours total exposure |
| Telescope |
: |
Celestron C8 at 1260mm |
| Mount |
: |
Schaefer GEM, guided with SSAG, PHD via 80mm f/11 guidescope |
| Adapter / Prime / Afocal / Other |
: |
Celestron f/6.3 focal reducer/flattener |
| Processing Package / Processing Applied |
: |
Images Plus 4.0 for camera control, calibration, stacking and Digital Development. Photoshop CS5 used for Flat Fielding , Curves, Color Correction and saturation adjustments, Star Shrinking, and High Pass Filter. HLVG for additional color correction, Carboni Actions for additional saturation adjustments |
| Web Site |
: |
http://www.frazmtn.com/~srosen/astrophotography/ |
| NOTES |
: |
NGC 253 is the largest galaxy in the Sculptor group of galaxies. Due to its southernly declination of -25°, the galaxy presents an interesting challenge here in Southern California! |
