Site and content copyright Robert Allevo 2002-2008
|
NGC 7293 |
||
|
|
||
|
Click on image for 1200 x 790 size |
Helix Nebula in Aquarius |
|
|
Technical Details |
|
| Optics | 12 1/2" RCOS operating at f/6.5 (2063mm) |
| Mount | Paramount ME |
| Camera | SBIG ST-10XME, CFW8-a |
| Filters | Tru Balance RRGB. |
| Date | Sept. 11-12, 2005 |
| Exposure | RRGB = 60:20:25:30 minutes (5 min. integrations) |
| Processing | MaximDl with RC Console & DDP stretched, Photoshop CS |
| Guiding | ST-402 mounted on Takahashi Sky90 |
| Binning | Lum - 1x1, RGB - 2x2 |
| Location | SkyFoto observatory in East Hartland, Ct. |
| Notes | The Helix nebula is a shell of expanding gas blown off by the extremely hot magnitude 13 star at it's center. |
Previous Attempt
|
|
|
10" f/7.9 ST8XE / CFW8 RL=2x10 RGB=1x10 LRGB=2x2 Data taken on Oct. 27, 2002 |
