Sharpless 84

Posted by dcrowson
on Saturday, February 20, 2021
Sharpless 84 (LBN 131 and others) is a HII area possibly ionized by a Wolf-Rayet star (WR 128, HD 187282, HIP 97456 and others). The nondescript star is below and to the right of the brightest part of the nebula.

* del Sge (HIP 97365) is the bright star near the center on the right. This one actually has a van den Bergh designation (vdB 127) but doesn’t appear to have any nebulosity.

Ha – 24x1800s – 720 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2

840 minutes total exposure – 14 hours

Imaged from Dardenne Prairie, Missouri (a red zone) over six nights in July, August and September, 2019 with a SBIG ST-8300M on an Astro-Tech AT90EDT at f/6.7 603mm.

To leave a comment you must be a member of our community.
Login to your account now, or register for an account to start participating.
No one has commented yet.
Join our Community!

Our community is FREE to join. To participate you must either login or register for an account.


Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. View our Privacy Policy.

Find us on Facebook