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Butterfly

M31 - Andromeda Galaxy

M31 - Andromeda Galaxy
M31 - Andromeda Galaxy
Zoomglass
clock 2013-09-07 0 comment(s)

Quote What a great night! One week earlier we (me and Leif) went out to Ekerö for a night of astrophotography but that night was unsuccessful because of clouds. This night however was just the opposite as it was crystal clear! We had all the benefits of a good Swedish summer night plus the darkness. This particular night we had three cameras running, and listening to the mirrors from the cameras going up and down was almost like music to our ears :-) We were up all night until 04.00. The last try for the Andromeda Galaxy turned out OK, but we didn't collect enough data as that one only consisted for 12 minutes worth of data. This time we collected around 700 exposures each 15 seconds long, and selected the 564 best resulting in a total exposure time of almost 2.5 hours! Made it any difference compared to the last try? You bet! Quote

Date: 2013-09-07
Location: Ekerö, Sweden
Temperature: 15 °C
Telescope: William-Optics Megrez 88FD
Camera: Canon 600D
ISO: 1600
Mount: Astrotrac mount and TW3100 wedge
Exposure time: 564 X 15 sec
Reducer/flattener: William-Optics 0.8X reducer/flattener (P-FLAT-F6)
Processing: Stacked and darks-subtracted in DeepSkyStacker. Processed in Photoshop CS6.

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