NGC 3572 is a beautiful emission nebula and star cluster in far southern skies Carina.
This nebula is often overlooked by astroimagers due to its brighter neighbor - the Carina nebula.

S2-Ha-O3 RGB image

Ha as Luminance for 2 hrs (bin 1)
O3,S2 for 60 min each - (Bin 2)
RGB - 30 min per color (bin 2)
Total of 5.5 HRS

Imaged with the 16" f3.75 Dream Astrograph.
Apogee Alta U-16M camera.

Imaged from Tivoli farm in Namibia