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brianb11213
Post Laureate
Reged: 02/25/09
Posts: 3296
Loc: 55.215N 6.554W
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Re: PST setup
10/14/09 11:31 AM
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The PST works at f/10 and (especially given that the seeing in strong sunlight is usually rather poor) you won't benefit from an eyepiece shorter than about 9mm. Low light levels rob contrast. I found the EPs I used 95% of the time with my Ha PST were 18mm & 12.5mm orthos (Baader Genuine Ortho).
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