sdscott + filters   21

http://www.alpineastro.com/
Welcome to Alpine Astronomical, where you will find a growing selection of truly unique high-quality astronomical equipment and accessories. Whether your interest is visual observation or imaging of the Planets, Deep Sky, or Sun - Alpine Astronomical i
equipment  photography  Astronomy  astrophotography  filters 
february 2008 by sdscott
Astronomical filter curves
ASTRONOMICAL FILTERS SPECTRAL TRANSMISSION
astronomy  filters  astrophotography 
january 2008 by sdscott
Backyard CCD Astro-Imaging
True Color from OIII/H-a Filters - The Dumbbell Nebula
astronomy  astrophotography  color  filters 
september 2007 by sdscott
Backyard CCD Astro-Imaging
Spectral Scans of Some Common RGB Filter Sets
astronomy  astrophotography  color  filters 
september 2007 by sdscott

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