M57 (Ring Nebula)
€99,00
- Object – m57 (ring nebula)
- Telescope – Planewave CDK-17 (0.53 arcsec/pix)
- Mount – 10Micron GM3000
- Camera – QHY600-M/Binning 2×2 at -10° Celsius
- Image type – SHO+RGB
- Total exposure time – 952 in
- Single frame exposure time – 3 min (SHO); 2m (RGB)
- Best FWHM – 1.61″ arcsec
- Calibration – Bias, Dark, Flat