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M101 and its SuperNova still shining! | by lightclad
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M101 and its SuperNova still shining!

Actually this was my test shot, and first lighting of newly purchased GS Optics RC-10" Carbon Tube. I have upgraded the troublesome focuser to Feather Touch 3015, and for this extra long focal length guiding I have added AO-8 Adapative Optics unit.

 

Total exposure was 4 hrs 20 mins, but at this 2000 mm Focal length and F8, I think I need still longer exposure.

 

OTA: GSO RC-10" Carbon

Mount: ADT MC300

Camera: SBIG ST-10XE /AO-8

Exposure: L=11X600s (1x1), R/G/B=5X600s (2x2)

Location: YangPyung, S. Korea

 

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Taken on March 22, 2012