In my zone the GRS will transit 11:18 PM.
Here's a link to calculate transit times.
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Posted 24 June 2019 - 09:55 PM
If you can time the transit it would be helpful towards deciding which reference was the more accurate? I’ve been clouded out tonight.
Posted 24 June 2019 - 10:20 PM
Interesting. Your report suggests the S&T web-based calculator gave the best result tonight.
My Sky Safari 6 app predicted 30 minutes earlier, 22:48 EDT.
Posted 24 June 2019 - 11:06 PM
The gist of my post was to alert the group that the GRS would be located on or about the meridian for good observing based on S&T website.
I don't use computer programs- more or less I am old school.
Posted 24 June 2019 - 11:23 PM
I use http://www.shallowsky.com/jupiter/ which is very similar. The GRS should be visible from 10pm to about 12:45am EDT tonight.
I used the website last Friday June 21 and it was right on. Not only did I see the GRS, there was a transit of the moon Europa concurrently. Kinda of weird but I needed averted vision just to see the tiny shadow--smaller than a pinpoint at 250x. Doing other things tonight, so not observing. Enjoy-
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