M51
Made with a Newton 250 f/4, a CCD camera Atik One, AZEQ6 mount.
Luminance : 30 hours, 300s subs
RGB : 9 hours, 300s subs
Ha : 4 hours, 300s subs
Short exposures to gain resolution on the galaxy : 6 hours, 1’’ subs, Altair GPCAM USB3.
Copyright: Olivier Aguerre
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AAPOD2 Title: M51
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