RCW 86 is a Supernova remnant (SNR) located in the Southern constellation of Circinus.
This is a deep and closer look than my previous wide field image seen here:

https://pbase.com/tango33/image/159400602

Please see the next starless image for better details of the nebula.

Ha-O3-RGB image
RGB 20 min each
Ha -180 minutes
O3 - 120 minutes

Total of about 6 hrs.

Telescope: ASA600 24" RC with Reducer at f4.5
Mount: ASA DDM200 Direct Drive with Absolute Encoders
Camera: Moravian G3 61000 pro

Imaged from Tivoli farm, Namibia

Moravian C3 61000 pro