>> seeing versus wind direction. Northerly
>> and easterly components are generally bad for seeing.
Do notice that "bad" at the Happy Jack site is only ~1".5.
>> even at 250x(!).
>> That requies a 2mm eyepiece in a Pronto! 10mm eyepiece and a 5x Powermate?
Divide by two on both sides: ye olde 4.8mm Nagler + 2.5x Powermate,
which is nominally 235x in my "vintage" 450mm f.l. Pronto.
\Brian
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