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

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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Sharpless 132 - The Lion Nebula

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Ngc104