This VERY deep image shows the Southern Pleiades.
Many don't know but it is sorounded by a vast Hydrogen gas - seen here in red.
Hydrogen Alpha for 3 hrs (Bin 2)
RGB 30 min each (BIN 1)

Total of 4.5 HRS

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



Imaged from Tivoli farm in Namibia June 2014