The Heart Nebula - IC1805 (HA-SII-HA-OIII/SBIG ST-8300M)
The Cottage Observatory
Target: The Heart Nebula - IC1805 (HA-SII-HA-OIII/SBIG ST-8300M)
Imaging Scope: Astro-Tech 8" Imaging Newtonian w/Baader Coma Corrector @ prime focus
Mount: Orion Atlas EQ-G (EQMOD)
Imager: SBIG ST-8300M @ -10C below ambient w/Hutech IDAS filter
Guiding: 2 second guide exposures using a SSAG through a Stellarvue SV66ED
Software: acquisition - MaxIm DL 5, processing - CCDSoft 5, AstroArt & Adobe Photoshop
Exposure Information: 18 x 10 minutes binned at 1x1 using a Baader 7nm Ha filter.
14 x 10 minutes binned at 1x1 for OIII, 14 x 10 minutes binned at 1x1 for SII.
7 Hours 40 minutes total exposure time. Mapped Red = SII, Green = Ha, Blue = OIII.
Luminance = Ha. All exposures were dithered. Darks and Flats applied.
Comments: Ha shot on 9/8/2012. SII and OIII shot on 9/9/2012. Baader filters used.
SBIG ST-8300M,Astro-Tech 8 Inch Imaging Newtonian
All Images Copyright by Bill Worley