Thread: Saturn/first light with 10" LX200R
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Old 19-02-2007, 03:48 PM
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merlin8r
Astro Shop Minion

merlin8r is offline 		 
Join Date: Jan 2006
Location: Mount Colah
Posts: 190
The LPI is about equivalent to a 6mm eyepiece. So a 2X barlow makes it 3mm. 2500mm FL / 3mm = 833.3333333333 etc
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