Hi Guys
NGC1935 Nebula in Narrowband..(click for big) Mapped as Ha SII Ha OIII (LRGB)
Taken on an RCOS 10" RC Scope at f9, SBIG STXL6303E Camera and PME mount at itelescopes Siding Spring Observatory.
28hrs of 3nm Ha bin1, 10hrs of OIII bin2 and 12 hrs of SII bin2.
Processed with CCDstack, Star Tools and Photoshop.
All filters 40 min subs.
Left some star artifacts in for "humorous entertainment".