Galaxy M83 showing the large extended halo around this bright and active galaxy.

Filters used Ha LRGB 120 510 85 90 95 105minutes a total of 15 hours over about 7 or 8 clear nights.
Sussex Inlet NSW Australia - good seeing here as the ocean is only about 2 or 3 kms away.
Equipment - PME mount, QHY600mm camera, ZWO190 guide camera, Astrophysics 305mm F3.8 Riccardi Honders Astrograph.
Astrodon 50mm square filters, FLI 7 position filter wheel . Ha filter is 5nm. Taken at my home observatory.