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Old 24-04-2018, 01:30 AM
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luka
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Join Date: Apr 2007
Location: Perth, Australia
Posts: 1,164
M83 Southern Pinwheel Galaxy

My longest exposure so far. Total 7.7h of 3 minute exposures (+ bias, darks and flats) taken on SW ED80 with self-made CCD Cam86 camera.

Stacked in PI, processed in StarTools (still haven't got the hang of doing masks properly in PI).

Taken over 3 nights from my light polluted backyard only 3km from Perth CBD (as the crow flies).
Being located in the light pollution central I was trying to see if adding more data will improve the image and with every new night of data the image improved quite a bit.
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