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#1
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A planet, a moon, a shadow, and a spot
Jupiter just overtook Mars in my favorite astronomical objects
category. I stayed up late to catch the Great Red Spot and my first Ganymede shadow transit. I had thought that being in the darker northern polar region and being so close to the planet's edge would make Ganymede's shadow difficult to see. Boy, was I pleasantly surprised. I took this image at about 7:35am UT via an ED80/9mmOrtho/Digital Rebel. Ganymede's shadow is at top left, Ganymede is leaving Jupiter's disk at top right (looks like a bump), and there's the GRS at lower center... http://www.m33.org/images/jup1.jpg -Drew |
#2
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Drew,
I witnessed the reappearance of Io from eclipse at 2:33 UT, the beginning of Ganymede's transit at 5:18 UT and the start of the shadow transit at 6:42 UT through the ASH 17" f/15 classical Cassegrain at 162 and 202x on Monday night/Tuesday morning. Dave Mitsky |
#3
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Drew,
I witnessed the reappearance of Io from eclipse at 2:33 UT, the beginning of Ganymede's transit at 5:18 UT and the start of the shadow transit at 6:42 UT through the ASH 17" f/15 classical Cassegrain at 162 and 202x on Monday night/Tuesday morning. Dave Mitsky |
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