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Thread: Jupiter and it's Great Red Spot.

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    Default Jupiter and it's Great Red Spot.



    I was looking at Jupiter last night with my Nexstar 8SE, and I was surprised with how fantastic it looked. Anyway I did not see the Great Red spot but it appeared I should have been able to if it was there.

    So I guess what I am wondering is it luck of the draw that you happen to see it when Jupiter's rotation allows it to be visable to us at your specific location. I read it rotates about once every 10 hours, but I can't sit out there in -13C for that long. LOL

    Is there any way to tell ahead of time when it can be seen? I just downloaded Stellarium and need to learn it, would forwarding it's clock and zooming on Jupiter show what time the spot may be visable from my location? Also is there better times of the year to look at Jupiter and it's Great Red Spot? I'm located at 50 degree latitude if that matters. Thanks.
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    Default Re: Jupiter and it's Great Red Spot.

    It is of course possible to predict the Great Red Spot (see avatar) I use Skysafari pro for the iPad, I'm sure other members can inform you of other no doubt "free" methods.
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    Default Re: Jupiter and it's Great Red Spot.

    Do a google "when is the red spot visible of Jupiter" and several sites will pop up.
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  4. The Following User Says Thank You to sxinias For This Useful Post:

    mick286 (03-29-2013)

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    Default Re: Jupiter and it's Great Red Spot.

    Thanks for that tip joe, I can't understand why I did'nt think of that before. The wife says its probably because I am losing it. mick,

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    Default Re: Jupiter and it's Great Red Spot.

    Here is a program which will show you the location the location of Jupiter's moons, transits off the moons and the GRS.
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    Default Re: Jupiter and it's Great Red Spot.

    Thanks for the info everybody. I purchased Sky Safari + for my iPad. What a great little app, and yes it does show what I was looking for in that you can change the times and zoom right in etc. According to this about 9pm tonite would be a good time to see the red spot if my skies are clear. I also noticed there is a Skyweek button built right into the app that gives you some good info about current things to look for.

    FWIW I also played around with Stellarium and it too will allow you to change times etc, so I can use this in the house to sort of plan my night, and then Sky Safari on the iPad when I am out there so I don't have to go back inside the house. I'm amazed at the technology available today.
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    Default Re: Jupiter and it's Great Red Spot.

    I'll tell you that Stellaium is NOT accurate for GRS predictions. Supposedly there is a way to hack the 'INI file' to make it accurate, but i can't get it to work.

    I use Sky & Telescope's table. You need to convert from universal time. Great Red Spot Transit Table 2012-2013 - SkyTel Beyond the Page - SkyandTelescope.com

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    Default Re: Jupiter and it's Great Red Spot.

    Quote Originally Posted by jonny ringo View Post
    I'll tell you that Stellaium is NOT accurate for GRS predictions. Supposedly there is a way to hack the 'INI file' to make it accurate, but i can't get it to work.

    I use Sky & Telescope's table. You need to convert from universal time. Great Red Spot Transit Table 2012-2013 - SkyTel Beyond the Page - SkyandTelescope.com
    I can't comment on how consistantly accurate these programs are for the rotations as I'm new to all this, but I can say both programs I listed above were very accurate tonite. Maybe it was a fluke, but from about 8:45 to 9:45 I watched the Giant Red Spot pass through my field of view just like they made it appear that it would. It was so cool!!!
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