| Acquisition Date |
: |
April 4 & 28, 2011 |
| Camera |
: |
Honis-modified Canon 450D w/ Baader UV/IR cut filter. |
| Camera Settings |
: |
ISO1600; 10x180s, 12x240s, 17x300s, 2x360s (Total: 175 min) |
| Telescope |
: |
Celestron C11 SCT; Hutech helical focuser; focus with Farpoint Bahtinov mask. |
| Mount |
: |
Celestron CGE; guided with SSAG and PHD thru an AstroTech AT72ED refractor. |
| Adapter / Prime / Afocal / Other |
: |
Prime Focus; Celestron f/6.3 focal reducer |
| Processing Package / Processing Applied |
: |
Nebulosity 2.3: capture; align, average combine and resize; background offset; color correction. Photoshop CS5: levels, curves, crop, unsharp mask, layer mask, color noise reduction. |
| Web Site |
: |
http://www.tinyurl.com/35vnbuv |
| NOTES |
: |
Taken on 2 nights at Denver Astronomical Society dark site, Deer Trail, Colorado; hydrogen spumes processed with layer mask created from super-stretched red channel. |
