The Bubble Nebula (NGC 7635) In A New
Light (Click On Image for Full Resolution)
HaRGB
June 28, 2003
September 17-18
Hubble Mix (S II - H alpha - OIII)
September 17-18, 2003
Ha - OIII - B
July 12, 2003
September 17, 2003
Date: September, 17-18, 2003
Instrument: 155mm Astro-Physics f7 Starfire @f5.25 w/Astro-Physics 1200 Mount
Imaged with SBIG ST2000XM Camera w/CFW8A Filter Wheel
Exposure: HaRGB
70 Min SII (2X2 binning) on Red Channel, 60 Min H-alpha (2X2 binning) on Green Channel,
60 Min OIII (2X2 binning) on Blue Channel
60 Min H-alpha (unbinned) for Luminance Channel Sharpened Using Richardson-Lucy
Routine in CCD Soft
Gradient Reduction with Ron Wodaski's Plugin on OIII image only in MaxIM DL
All sets were taken with 10 minute sub-exposures
Sub-Images Aligned and Combined in CCD Soft
Color Combine in CCD Soft
Gamma Stretch and Background Subtraction with Pixel Math in MaxIM DL
Slight Color Adjustment and Cropping in Picture Window Pro
Curves applied to the Blue Channel in PhotoShop 7.0
Hubble Exposure Inlaid in Lower Right in Picture Window Pro
Location: My Light Polluted Driveway in Mason, OH
Guiding:
94 mm f7 Brandon with SBIG ST4
Filter Data:
H Alpha Custom Scientific 656.3 / 4.5nm
S II Custom Scientific 672.4 / 4.5nm
O III Custom Scientific 500.7 / 3nm
Object Data:
Visual Magnitude: 8.5
Distance From Earth: 7100 Light Years
Size of Object: 6 Light Years Across