NGC 7789
NGC 7789, Mel 245
| Object Type and Constellation: | Open Cluster in Cassiopeia |
| Distance and Age: | 7.8 kly, 1.6 Gyr |
| Comments: |
| Image Type: | Monochrome |
| Telescope: | 210 mm Takahashi Mewlon 210 f/11.5 Dall-Kirkham on Celestron CG5 German Equatorial |
| Effective Focal Length: | 2415 mm |
| Resolution (image): | 0.99"/pixel |
| Accessories: | Lacerta MGEN Autoguider |
| CCD: | ZWO ASI 1600 MM-C |
| Exposures: | 1500 x 2 s (50 min total) |
| Filter(s): | None |
| Exposure Date: | 29 September 2016 |
| Location: | Malvazinky Observatiory in Prague, Czech Republic |
| Seeing, FWHM on stack: | 2.3" |
| Processing Software: | PixInsight |
| Image Acquisition Software: | SharpCap |
| Processing: | HistogramTransformation |