The Helix Nebula

 

Astro-Physics RHA 305mm F3.8 Honders Astrograph, Bisque PME

SBIG STT8300 AO-8T FW8-G

34Hours of Ha, 5 Hours OIII +40: 30:30:30 mins L RGB

AstroDon 3nm Ha, OIII, Gen 2 RGB

Capture with CCDops, post-processing in MaxImCCD 6 and Photoshop 6

Data capture from Barden Ridge, southern Sydney.

Annotated overlay image

NASA, ESA, C.R. O'Dell (Vanderbilt University), and M. Meixner, P. McCullough, and G. Bacon (Space Telescope Science Institute)

Base Image copyright Peter J Ward 2014