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Io and Red Spot transit tonight

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#1 fcathell

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Posted 11 September 2019 - 09:06 PM

Io making first contact with Jup now.  Shadow will appear about 0320 UTC. Red Spot will be on central meridian at about this time.  Excellent conditions now in Tucson. Using 150 Mak and bino viewer at 150X. WOW!

 

Frank


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#2 Tyson M

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Posted 11 September 2019 - 09:09 PM

I am going to set up here in about 45 mins or so hopefully catch some decent Jupiter views.



#3 RadioAstronomer

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Posted 11 September 2019 - 09:18 PM

Io making first contact with Jup now.  Shadow will appear about 0320 UTC. Red Spot will be on central meridian at about this time.  Excellent conditions now in Tucson. Using 150 Mak and bino viewer at 150X. WOW!

 

Frank

Thanks for the info fellow Tucsonian! I'll be observing it from my backyard in Oro Valley.



#4 aa6ww

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Posted 11 September 2019 - 10:20 PM

Im on it now, thanks for the heads up!

 

..Ralph



#5 Ken Watts

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Posted 11 September 2019 - 11:26 PM

I saw Io kissing the Jovian disk at about 7:00.  After about 45 minutes, I was done for the night with sweat dripping off my nose... Yeah, Arizona, it's a dry heat!



#6 Thomas Marshall

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Posted 12 September 2019 - 05:48 PM

Watched this for over an hour last night with AT102ED and Stellarvue  binoviewers with 2x and 3x barlow and 26mm Meade Plossl's. It was great. Even as low as Jupiter went, view was surprisingly good. Sharp round shadow/ GRS prominent/ and as seeing varied, nice amount of surface markings. Did NOT see Io disk, - not enough contrast between it and planet background, but very enjoyable view. Switched over to Saturn, and had difficulty getting clear sharp view with 3x barlow, - but at times  view improved.  Casini's division very evident, and dark shadow on rings next to planet Northside. Think I picked up 3 moons also. Titan-easy/Rhea-out and in, sometimes stayed 3 or 4 seconds and down @ 7 or 8 o'clock perhaps Tethys, faintly popping into view momentarily. I didn't switch out eyepieces, just barlows, since these were aligned pretty good, but it was nice to have the relaxed view that 2 eyes gives compared to 1.  I got no clue what kind of magnification this combo gave with 2x barlow or 3x barlow, but pretty darn good views.


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