by
Michael Zolnowski
This is narrowband image of famous Pacman Nebula.
It is made in false colors where Red is Sulfur II, Blue is Oxygen III and Green is H-alpha emission line.
I used Ritchey-Chretien A&M 320IMST, SBIG STL11kM, ParamountME with
focal length of this setup 2188 mm
30 hours total exposure.
14h- H-alpha filter BINx1
8h- SII filter BINx2
8h- OIII filter BINx2
Here is link to my website with higher resolution image.
http://www.starrysite.com/index.php?site=galleryitem,134
Best wishes from Poland.