12-09-2018, 02:13 PM
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<--- Comet Hale-Bopp
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Join Date: Jan 2005
Location: Cloudy Mackay
Posts: 6,542
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Quote:
Originally Posted by RickS
Based on Kevin's M27 image I reckon he'll use an Oiii filter tilted so that the bandwidth is shifted to H beta  |
You know me well lol. 
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