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Hi Mark
The last time I saw these were with Jupiter low, gusty SW winds and with the jet stream active according to the weather map. Normally, I wouldn’t venture outdoors for hi-res imaging under these conditions.
The ‘scope was the Mewlon 180 which has an open tube design (no corrector) and it had been outside for some 2 hours.
As Jupiter got above 35-40 degrees, the “viewing through shallow, rippling water” began to diminish and the more jittery high frequency seeing predominated.
Cheers
Dennis
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