Sharpless 239 - The Wide View

Posted by dcrowson
on Sunday, February 21, 2021
Sharpless 239 (LBN 821 and others) is defined as a HII region but appears to be reflection nebulae (and Herbig-Haro objects - located within LDN 1551. These are located less than two degrees from Aldebaran in Taurus. A paper from 1976 ( determines this one to be approximately 456 light-years away.

Luminance – 18x600s – 180 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2

300 minutes total exposure – 5 hours

Imaged from Dardenne Prairie, Missouri (a red zone) on January 4th and 5th, 2019 with a SBIG ST-8300M on an Astro-Tech AT90EDT at f/6.7 603mm.


See my ‘narrow view’ image here –

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