M57 Ring Nebula in Ha
Dates: September 4-6, 18-20, 22, 27-29, October 1, 2010
Camera: SBIG STL 6303 E
Filters: AstroDon Ha filter
Camera control software: CCDSoft
Camera temperature: -10C
Telescope: RCOS 16 Carbon Tube, Aries optics, F9
Telescope control software: RCOS TCC, TheSky6
Mount: Paramount ME (MKS 4000)
Total exposure time: 32 hours, 50 minutes
10 x 20 minute and 59 x 30 minute subexposures
Processing: CCDStack2, Photoshop CS5.
Dates: September 4-6, 18-20, 22, 27-29, October 1, 2010
Camera: SBIG STL 6303 E
Filters: AstroDon Ha filter
Camera control software: CCDSoft
Camera temperature: -10C
Telescope: RCOS 16 Carbon Tube, Aries optics, F9
Telescope control software: RCOS TCC, TheSky6
Mount: Paramount ME (MKS 4000)
Total exposure time: 32 hours, 50 minutes
10 x 20 minute and 59 x 30 minute subexposures
Processing: CCDStack2, Photoshop CS5.
M57 Ring
Nebula in
Ha
Nebula in
Ha
