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Astrophotography by Gerald Rhemann
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Object: Comet C/2009 P1 Garradd 21 08 2011
Location: Eichgraben/Lower Austria
Telescope: ASA 12"N f 3.62
Camera: FLI ML 8300
Exposure time: LRGB 2x2 binning 9/9/9/9 min.