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Old 20-09-2019, 02:34 PM
Tropo-Bob (Bob)
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Ganymede's shadow appears tonight.

20:51:16 +10: Ganymede's shadow appears.

This shadow is the easiest to see of Jupiter's Moons. Even a reasonable 60mm should do the job. I mention it because the time is so convenient and there will not be many more Jovial events before Jupiter gets very low.
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Old 20-09-2019, 03:44 PM
Saturnine (Jeff)
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Astronomy 2019 says shadow ingress at 21:21 and the Red Spot on the meridian at 20:00, would be a nice to observe and image. The cloud cover here will make that problematical.
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Old 20-09-2019, 06:45 PM
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bigjoe (Joe)
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Typical ..cloud cover here in Sydney.
I always look forward to the Red Spot coinciding with a shadow transit or transit...will be looking for a sucker hole between watching football.
Bigjoe .
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Old 20-09-2019, 08:54 PM
Tropo-Bob (Bob)
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Well, it should be happening here, but it's raining.
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Old 23-09-2019, 09:22 AM
m11 (Mel)
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Would be interesting to view. Will be out to view this. It's saying it's going to clear around 9pm.

Thanks for the heads up.
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Old 23-09-2019, 01:11 PM
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bigjoe (Joe)
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[QUOTE=m11;1447101]Would be interesting to view. Will be out to view this. It's saying it's going to clear around 9pm.

Thanks for the heads up.[/QUOTE.]
Thats past though Io is back morrow night 9 22pm..from Sydney.

BIG GANYMEDE..1.7" is back for transit Friday night 27th Sept 2019 Eastern States Oz.

20h19.4m..
Jupiter-Moon GanymedeTransit Begin (III.Tr.I.; 5.4 mag) Altitude=40.8 Azimuth=26821h35.0m

21h 35m..Jupiter-Moon Ganymede Inferior Conjunction (III.Cj.I.; 5.4 mag) Altitude=25.2 Azimuth=258.622h50.5m

22h 50m ..Jupiter-Moon GanymedeTransit End (III.Tr.E.; 5.4 mag) Altitude=10.1 Azimuth=249.4.

PS: If youve got a 4 inch or larger scope and high power you'll ACTUALLY see its real disk and not just the spurious disk (a diffraction effect)of small apertures.
Hope that helps.
Bigjoe
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Old 23-09-2019, 04:44 PM
Saturnine (Jeff)
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October 10th looks interesting too, few weeks yet. Clouds and Jetstream look good for this Saturday evening but nothing happening with transits or Red Spot . Last night should have been interesting too but for the ubiquitous clouds.
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