NGC 2261 - Hubble's Variable Nebula

Posted by dcrowson
on Thursday, September 16, 2021
NGC 2261 (Ced 83, LBN 920, Caldwell 46 and others) is a nebula located approximately 2,609 light-years away in Monoceros. The clouds of dust are illuminated by R Monocerotis.

Luminance – 49x600s – 490 minutes – binned 1x1
Luminance – 90x300s – 450 minutes – binned 1x1
RGB – 4x600s – 40 minutes each – binned 1x1

1060 minutes total exposure – 17 hours 40 minutes

Imaged over 24 days in January, February, March and April, 2021 at the El Sauce Observatory (Rio Hurtado, Chile) with a FLI PL 9000 on a PlaneWave CDK24 at f/6.5 3974 mm.

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LRGB crop -
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