Click on image to enlarge. Click here for highest resolution
Fixed light gradient, click image to enlarge. Click here for highest resolution
Taken on July 13, 2003 from my backyard in Castro Valley, Ca under a near-full moon
Astro-Physics Traveler f/6 with Astro-Physics 0.75X Telecompressor (F=457.5mm total, f/4.5)
SBIG ST10XME Imaging Camera at -22deg C
Astro-Physics 80mm Guidescope (F=900mm)
SBIG ST7E guide camera
Finger Lakes Instrumentation DF2 Digital Focuser
Finger Lakes Instrumentation CFW1 Filter Wheel
Custom Scientific Narrowband AR-coated emission line filters
Hydrogen Alpha: 656.3nm / 3nm FWHM
Oxygen III: 500.7nm / 3nm FWHM
Three exposures of 30 minutes each through Ha and OIII. Combined as Ha = Red, OIII = Green, OIII = Blue
Component shots:
Halpha: click picture to enlarge, Click here for highest resolution
OIII: click picture to enlarge, Click here for highest resolution