Globular Star Cluster (M3)
| Object | Globular Star Cluster (M3), in Canes Venatici | |
| Telescope (Photo) | Celestron 8" SCT OTA @ f/10 on Losmandy G11 Mount | |
| Telescope (Guiding) | Meade ETX 90mm OTA @f/13.8 on Losmandy G11 Mount | |
| Camera (Photo) | Meade DSI III Pro w/ Atik USB Electric Filter Wheel and Meade 1.25" R/G/B/IR filters | |
| Camera (Guiding) | Meade DSI II Pro w/ PHD Guiding | |
| Exposure Detail | Excluded-Average combination of 33 Red, 35 Green, 33 Blue, and 32 Luminance images at 10 seconds each; data capture performed in MaximDL 5.05, full calibration (bias, flat, dark, and flat dark), and initial image processing using ImagesPlus 3.75; final image processing using Photoshop CS3 | |
| Location | Caesar Creek State Park, Ohio (N39.513, W84.020) | |
| Date | 04/11/09 | |
| Comments | This is my first successful attempt at tri-color imaging with a monochrome camera (DSI III Pro) and color filters. |