RCW 58 is an amazing Ring shaped nebula in the southern constellation of Carina.
In its middle is a special star, called a Wolf-Rayet star, WR40 (HD 96548, WN8)
These stars are very big and hot and they eject their material producing its surrounding nebula.

Imaged by 2 telescopes:
16" F3.8 Dream scope - Ha 3 hrs (bin 1)
O3 - 3 hrs (bin 2)
RGB - 30 min per channel (bin 2)
60" F6.8 at Chilescope - Ha as Luminance for 2 hrs (bin 1)

Total of about 10 hrs