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3c461: 64.25 hours of Sulfur, Hydrogen and Oxygen
this is one faint object!
Taken using the AP180EDT f/9 and ML8300 using S2, Ha and O3 filters
Recipe:
Sulfur: 57 x 15 min
Hydrogen: 115 x 15 min
Oxygen: 85 x 15 min
3C461 is a very famous object: the first X-ray source identified in the sky'
Comment
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Comment by Marc Basti on September 19, 2012 at 3:21am
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Nice snag Richard, definitely not one you see very often. Marc
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