Dark crescent shape on Jupiter

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  • Member since
    November, 2013
Dark crescent shape on Jupiter
Posted by jcash19 on Saturday, November 30, 2013 10:25 AM

I was looking at Jupiter through my 80mm telescope yesterday 11/29/2013 and noticed a dark crescent shape spot on the coner Jupiter just curious as to what it is

  • Member since
    March, 2008
Posted by Antitax on Saturday, November 30, 2013 12:02 PM

  You'd have to explain more: how often have you observed Jupiter and the other planets, in which conditions, with what kind of gear? Could be you've seen one of the bigger dark belts on Jupiter's face, but deformed by turbulence. Smaller dark lanes and spots sometimes protrude from a belt, or the shadow of a moon casts a black spot.

TS 8x40 Wildlife, 10x50 Marine/Fujinon 16x70/TS 80mm triplet, 6x30 finder, EQ-3 mount, TS 2" 99% diagonal/Celestron C5+ and 6x30 finder, DIY tripod/5" Bahtinov/12" GSO dob, 8x50 finder/Meade 2" 24mm 82°/Hyperion 24,13,10mm 68°/TS Expanse 17mm 70°/SW 7mm Panorama 82°/Ultima 2x barlow/Astronomik UHC-E filter/Baader O-III/Astro Solar 5" & 80mm filters/Sky Atlas 2000/Rükl's Moon Atlas/Canon 400D/5mW green laser

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