The Vela SNR is very faint and difficult to get good data because of the dense starfield.
NII data 10x32 minutes. OIII data 9x32 minutes.
NII to red channel, OIII to green and blue.
Large full resolution image 3.5x3.5 degrees. 9MB
http://d1355990.i49.quadrahosting.co...VSNR_NOO_L.jpg
Will soon add RGB.
Bert
Astrograph is an Officina Stellare RH200 which has a focal length of 600mm and is F3, yes F3! Clear aperture is 200mm.
FLI Atlas Focuser.
FLI ten position filter wheel CFW-3-10 with 50mm square filters.
Astrodon E series LRGB and HA, NII, SII and OIII 3nm NB filters. Also a continuum filter 5nm.
Camera is a FLI PL16803 which has a sensor size 36.8 X 36.8 mm.
The FoV of this system is 3.5 X 3.5 degrees.
Mount is a Software Bisque PMX.