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Did I see the GRS tonight (9/23/2022) at 12:25AM PDT (7:35 UT) ?

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#1 Oldfracguy

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Posted 23 September 2022 - 03:21 AM

I would like somebody to corroborate what I think I actually saw for the first time (definitely(?)) about an hour ago.  I was looking at Jupiter at 12:25 AM PDT on 9-23-2022 and just saw what I think was the GRS transit in the middle of the planet.  After about an hour I saw it again, only now it was on the left half of the planet.  I'm using a refractor, so I know the image of Jupiter is right side up. but reversed left-to-right.  That means the planet is rotating from right to left as viewed through a refractor.  The fact that what I saw moved to the left by about one-quarter of the width of the planet in an hour makes me think I actually saw the GRS.  Jupiter was very close to the Meridian, practically due South, so it was perfectly positioned for viewing.

 

Can anybody confirm my suspicions?

 

Thanks,

  David

 



#2 Vash532

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Posted 23 September 2022 - 04:14 AM

https://shallowsky.com/jupiter/

A great site that shows the position on the GRS and the galilean Moon's (along with their shadows on jupiter). You can change the time forwards and back too!

If I converted from your time zone correctly it looks like you did see the GRS but I would double check because I only did it very quickly.
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#3 greenstars3

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Posted 23 September 2022 - 05:30 AM

Vash532

 

great site for Jupiter - thanks

 

Robert



#4 Oldfracguy

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Posted 23 September 2022 - 06:24 AM

Thanks, Vash532 !  

 

Every little bit helps.  We appreciate that.



#5 spereira

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Posted 23 September 2022 - 07:10 AM

Moving to Solar System Observing.

 

smp



#6 Dean Norris

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Posted 23 September 2022 - 05:01 PM

I also observed Jupiter last night. The GRS was centrally located on the planet around 12:30 am PDST. So, yes you did see the GRS and its' change in position with time.

May you have many more great views of this amazing planet and feature.


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#7 Dave Mitsky

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Posted 23 September 2022 - 05:10 PM

https://skyandtelesc...great-red-spot/ - Sky & Telescope's GRS transit calculator


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