NGC 7293
|
0bject |
NGC 7293 Planetary Nebula (Helix Nebula) in Aquarius |
| Date | August 8 - September 11, 2009 |
| Exposure | HαRGB 150:50:50:50 (all unbinned; Hα + Red 50/50) |
| Camera | STL11000M with Astronomik filters |
| Telescope | ASA 10N f/3.7 on Losmandy G11 w/ Gemini |
| Guiding | Remote guide head w/ MiniBorg 50 |
| Processing | MaximDL, PhotoshopCS3, FITS Liberator, AstroActions, GradientXterminator |
| Comments | Moderate seeing over several evenings |
|
0bject |
NGC 7293 Planetary Nebula (Helix Nebula) in Aquarius |
| Date | September 11, 12 & 14, 2007 |
| Exposure | LRGB 120:60:60:60 (all unbinned) |
| Camera | ST2000XM w/ SBIG filters |
| Telescope | Celestron C8 @f/5 on Losmandy G11 w/ Gemini |
| Guiding | Self-guided |
| Processing | MaximDL, PhotoshopCS2, FITS Liberator |
| Comments | Object low in Southern sky; moderate seeing |
|
0bject |
NGC 7293 Planetary Nebula (Helix Nebula) in Aquarius |
| Date | Sep 19 & 26, 2006 |
| Exposure | HαRGB 210:25:25:25 (Hα + R 50/50 for luminance & red) |
| Camera | ST2000XM w/ SBIG filters |
| Telescope | Celestron C8 @f/6.3 on Losmandy G11 w/ Gemini |
| Guiding | Self-guided |
| Processing | MaximDL, PhotoshopCS2, FITS Liberator |
| Comments | Object low in Southern sky |
