Object

M57

Telescope

Celestron NexStar SE 8

Focal length

2032mm

Filters

IR block filter

Camera

Philips SPC900NC SC1 (long exposure mod)

Exposure

8x30s

Capturing Software

K3CCDTools3 3.5.10.1082

Stacking Software

Registax 5.0.2.8

Atmospheric conditions

Seeing: 5 of 10 (Pickering), Transparency: medium (humid), Darkness: illuminated by city lights

Location

Aschaffenburg, Germany

Date

2009 August 1, 21:58 UTC

Amp-glow is unfortunately very strong (upper left corner). I need the amp-off hack....