| Acquisition Date |
: |
12/18/09 (10:240s, 10:180s)
02/13/10 (25:300s, 25:15s)
02/17/10 (25:300s) |
| Camera |
: |
Unmodified Canon 1000D |
| Camera Settings |
: |
Manual(bulb), USB EOS Utility control, ISO800 |
| Telescope |
: |
Homebuilt 90-mm APO Refractor, f6.7.
90-mm, f10 Refractor Guide Scope, DSIpro1 guide camera, PHD guiding. |
| Mount |
: |
Homebuilt GEM pier mounted. Ed Biers worm gear and worm. Losmandy Digital Drive System with Steppers. |
| Adapter / Prime / Afocal / Other |
: |
Astro Tech Field Flattener, Orion 2" SkyGlow LPF. |
| Processing Package / Processing Applied |
: |
Nebulosity 2 preprocessing (25 darks, 25 flats), aligning and stacking, preliminary processing. Final processing in PhotoShop 7 (compositing and cropping). |
| Web Site |
: |
www.flickr.com/OklahomaProf1940 |
| NOTES |
: |
Suburban-urban sky, transparency 3-4 of 5 |