M97.
The following LRGB image was made during the night of 17-18 April 2001 from Montlaux in southern France. Equipment used was a SBIG ST-8 + Takahashi CN212 (D=212 mm) working at f/9.9. The telescope was mounted on a Vixen Atlux mount.
Binning 2x2. Light, red and green images exposure time was 1 x 900 s = 15 minutes at -20°C CCD temperature.
Blue image exposure time was 1 x 1800 s = 30 minutes at -20°C CCD temperature.
Image taken with CCDOPS for Win95, IP with CCDPOPS, AstroArt and Photoshop.
The image below was made during the night of 18-19 April 2001 from Montlaux in southern France. Equipment used was a SBIG ST-8 + Takahashi CN212 (D=212 mm) working at f/9.9. The telescope was mounted on a Vixen Atlux mount.
Binning 1x1, exposure time was 8 x 900 s = 120 minutes at -20°C CCD temperature. Seeing was not that good, FWHM about 5".
Image taken with CCDOPS for Win95, IP with CCDPOPS, AstroArt and Photoshop.
