Abell 39 - Planetary Nebula
| Object | Planetary nebula (Abell 39), in Hercules | |
| Telescope (Photo) | Celestron 11" EdgeHD SCT OTA with Optec/Lepus f/6.2 focal reducer on Losmandy G-11 Mount | |
| Telescope (Guiding) | Orion EON 80mm ED Refractor @ f/15.625 (f/6.25 w/2.5x Powermate) on Losmandy G11 Mount | |
| Camera (Photo) | Canon 50Dh DSLR (Hutech Modified) | |
| Camera (Guiding) | Meade DSI II w/ PHD Guiding | |
| Exposure Detail | Excluded-average combination of 16 images at 300 seconds each, ISO1600; RAW file conversion, full calibration (flat, dark, bias, flat-dark), and initial image processing using ImagesPlus 4.0; final image processing using Photoshop CS3 | |
| Location | Private Property, Greene County, Ohio (N39.677, W83.802) | |
| Date | 07/30/11 | |
| Comments | Extremely faint and challenging object! |