Helixnebel NGC7293 in Emissionslinien H-alpha, OIII, SII

H-alpha


Object:      Helix Nebula NGC7293 in H-alpha

Date:        20.09.2007

Location:    Oberes Schlierental 1450m ü. M.

SQM:         21.52m/s2 at 22:30UTC

Telescope:   Meade Schmidt-Newton 254mm f/4

Mount:       ALT-7

Autoguiding: SBIG STV
           
Camera:      Canon EOS 20Da

ISO speed:   1600

Dark Frame:  Master-Dark at 6°C

Flat Frame:  Master-Flat at 0°USZ with Paracorr

Exposure:    11 x 362s, total 66minutes


OIII


Object:      Helix Nebula NGC7293 in OIII

Date:        20.09.2007

Location:    Oberes Schlierental 1450m ü. M.

SQM:         21.65m/s2 at 23:45UTC

Telescope:   Meade Schmidt-Newton 254mm f/4

Mount:       ALT-7

Autoguiding: SBIG STV
           
Camera:      Canon EOS 20Da

ISO speed:   1600

Dark Frame:  Master-Dark at 3°C

Flat Frame:  Master-Flat at 0°USZ with Paracorr

Exposure:    10 x 362s, total 60minutes


SII


Object:      Helix Nebula NGC7293 in SII

Date:        20.09.2007

Location:    Oberes Schlierental 1450m ü. M.

SQM:         21.67m/s2 at 24:10UTC

Telescope:   Meade Schmidt-Newton 254mm f/4

Mount:       ALT-7

Autoguiding: SBIG STV
           
Camera:      Canon EOS 20Da

ISO speed:   1600

Dark Frame:  Master-Dark at 3°C

Flat Frame:  Master-Flat at 0°USZ with Paracorr

Exposure:    11 x 362s, total 66minutes


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