[Peter Ward]

Originally Posted by Andy01

Some of the SNR’s in that region are shown in this image by Bray Falls.
https://www.astrobin.com/nu8p6d/?q=Snr%20m8

You’re lucky, enjoy those clear skies, been cloudy here for weeks in Melbourne.

Ta, mystery remnant solved. I suspected it was a faint SNR.
We have thin cirrus moving across Emerald City's sky just now.

The colour may take a while.