Abell 21 - The Medusa Nebula
| Object |
The Medusa Nebula (Abell 21), in Gemini |
|
| Telescope (Photo) | Celestron 11" EdgeHD OTA @ f/7 on Losmandy G-11 Mount | |
| Telescope (Guiding) | Orion EON 80mm ED Refractor @ f/12.5 on Losmandy G11 Mount | |
| Camera (Photo) | Canon 60Da DSLR Camera using ImagesPlus 5.0 Camera Control | |
| Camera (Guiding) | SBIG ST-i w/PHD Guiding | |
| Exposure Detail | 22 images at 300 seconds each, ISO3200; RAW file conversion, full calibration (flat, dark, bias, flat-dark), and initial image processing using ImagesPlus 5.5; final image processing using Photoshop CS5 | |
| Location | Cincinnati Astronomical Society's Dark-Sky Site (Adams County, Ohio) (N38.876, W83.464) | |
| Date | 11/09/2013 |