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NGC 2261 - Hubble's Variable Nebula

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#1 Dan Crowson

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Posted 16 September 2021 - 10:43 AM

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.

This is a Telescope Live (https://telescope.live/) “Pro Data Set.” Pro Sets are large data sets one can download with a membership. Create a free trial account to download some of this data. Use my referral promo code SUFM5 when you sign up to receive 20% off for the first year if you continue after the free trial.

LRGB crop - https://www.flickr.c...379630/sizes/l/
LRGB - https://www.flickr.c...671107/sizes/l/

 

See the links above because the attached image has been down-sampled.

 

NGC%202261%20-%20LRGB%20-%20crop.jpg

Dan


  • Jim Thommes, astrovienna, buckeyestargazer and 18 others like this

#2 Mert

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Posted 16 September 2021 - 03:09 PM

WOW! Beautiful image

#3 exaxe

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Posted 17 September 2021 - 05:43 AM

Superb!



#4 Jim Thommes

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Posted 18 September 2021 - 04:12 PM

Beautiful image Dan. Its a nice shot of Hubble's Neb and an incredibly deep image. I see that the HH39 series stands out well too just north of the main nebula. Nice work.




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