M101Spiral Galaxy in Ursa Major |
| Other Names/Objects | Pinwheel Galaxy, NGC 5457 |
|---|---|
| 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 | 205 minutes (41 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 |
Toward the lower right corner is the dwarf galaxy NGC 5474. There are dozens of tiny galaxies throughout this image. See the larger image to check them out. 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 (~3.25 MB) |