M13Globular Star Cluster in Hercules |
| Other Names/Objects | — |
|---|---|
| Optics | Takahashi TOA-150 f/7.33 triplet apochromatic refractor |
| Mount | Software Bisque Paramount ME II |
| Camera | FLI MicroLine KAI-11002-C at -25°C |
| Exposure | 180 minutes (36 x 5 minutes) |
| Calibration | 60 darks | 0 flats | 0 flat darks | 0 bias |
| Air Temperature | 60°F / 15.5°C |
| Accessories | Autoguided with SBIG ST-i camera and Takahashi FS-60 telescope |
| Location | CaliforniaStars Observatory in Landers, California |
| Date | April 22, 2017 |
| Notes |
Below and to the left of the cluster is the 11th magnitude galaxy NGC 6207. Also to the cluster's lower left but closer to the cluster is the 15th magnitude galaxy IC4617. View the full size image to see lots of small, faint galaxies (several are in the upper left corner). Processing: TheSkyX for acquisition. MaxIm DL Pro v6 for calibrate, Bayer CFA interpolation, register, and combine. Photoshop CC for curves, levels, sharpen, saturation, resize and JPG compression. Larger Versions: 3600 x 2400 (~4.56 MB) |