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Thread: The Sun and AR2680

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    Default The Sun and AR2680



    Home from work early today, and off until Monday. Unexpected (no, I didn't do anything wrong ) but welcomed. I need a break. Got home at just after 11; boy, is it ever nice and sunny out...
    So instead of being responsible and doing dishes and housework, out came the scope and solar filter. Basked in the warm rays of 'Ol Sol, and thought I'd try and see how my camera works, now that I at least cleaned the dust out of it.

    So here's the Sun through my C80-HD with a somewhat cleaner Canon T3. ISO 100, exp. 1/1000 sec. The second picture is a full-size crop of sunspot AR2680, all lonely

    Image1.jpg Image2.jpg

    And after checking ClearSkyChart, it would seem my clear skies end at about 5:00 PM tonight. Of course. This is because I have the opportunity to stay out tonight and tomorrow night for as long as I want, simply because I don't have anywhere to be the next morning. Well, I guess that won't be happening...!!

    Hope all of you have a clear night (and day for the solarheads ),
    Mark
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    Default Re: The Sun and AR2680

    Yep, the sun sure is quiet compared to the past couple of weeks.

    I got up before dawn this morning (paying for it now!) and the sky was spectacular - good transparency and good seeing. It was nice to say hello to one of my favorites, M42.
    David aka Shelldrake
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    Default Re: The Sun and AR2680

    Very nice, Mark! Well done and thanks for posting.
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    Lea
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    Default Re: The Sun and AR2680

    Great capture, Mark!
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    Default Re: The Sun and AR2680

    She is a beaut, Mark.
    Such a smooth complexion but for that one spot. I have not heard anyone say this but as I have observed these sunspots it appears to me that they are moving on the Sun or the sun is rotating. Someone may have answered this question for me before but I will ask you again. Is the sun rotating?
    If the Sun is rotating and the activity is just moving out of our view then to say the activity has ceased would not be correct, I guess... right? I'm just trying to get my head around this.

    Okay forget all about that I just read about how the Sun rotates differentially. Okay. I still don't have my head completely around it but well anyway. Sorry for the dumb question I should have read up on this first.
    It's a beautiful capture Mark very nicely done thank you.
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    Default Re: The Sun and AR2680

    Very nice work, Mark! Congratulations on the long-weekend off work and thanks for the shares.

    Clear Skies
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    Default Re: The Sun and AR2680

    Quote Originally Posted by Eagleheaf View Post
    She is a beaut, Mark.
    Such a smooth complexion but for that one spot. I have not heard anyone say this but as I have observed these sunspots it appears to me that they are moving on the Sun or the sun is rotating. Someone may have answered this question for me before but I will ask you again. Is the sun rotating?
    If the Sun is rotating and the activity is just moving out of our view then to say the activity has ceased would not be correct, I guess... right? I'm just trying to get my head around this.

    Okay forget all about that I just read about how the Sun rotates differentially. Okay. I still don't have my head completely around it but well anyway. Sorry for the dumb question I should have read up on this first.
    It's a beautiful capture Mark very nicely done thank you.
    Thanks, Mark One thing I find hard to do is to find focus on the closest star to us! Even using a computer... These ones I took by just looking through the viewfinder. A sun shade sure helped
    Yup, the Sun rotates, takes about 28 days or so, I believe. And since there is no solid surface to speak of, different parts rotate at different speeds. You can even follow the sunspots on SpaceWeather.com -- News and information about meteor showers, solar flares, auroras, and near-Earth asteroids, my new favorite site since buying solar film
    Also, I get to shake my fist at the clouds twice as much; in addition to observing at night, there's also the day now, too.

    All the best buddy,
    Mark
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    Default Re: The Sun and AR2680

    Nice shots Mark. It's great that you are off work, too. Hopefully get in some nighttime observing over the long weekend!
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    Default Re: The Sun and AR2680

    Just as an update... Once the family got home and was envious of my time off, I thought it best to vacate and stare at the Sun again (with proper equipement, of course). I found the view at noon to be a lot sharper, but, like the night sky, overhead doesn't have the haze and pollution the horizon does. Still, was a decent view.

    The scope I mostly use for this is my f/11.4 C80-HD, though I also use my SLT102 on occasion; it's just you really notice the green ring On both scopes I have found that using my Baader Semi-Apo gives a better view, in terms of clarity. I could see it in the f/6.5 SLT, but the 80...?? Nonetheless, that seems to work.
    I also use said filter at the end of the T-ring when shooting the Sun. I tried it again today, and am really not sure which I like better. Thoughts???

    With Semi-Apo filter:
    Image9.jpg

    No filter at all:
    Image8.jpg

    I also was curious to see if the sunspot had moved any. I took one of my shots, and oriented it with one taken earlier today; and layered them together. Same scope, same size picture, so that was the easy part

    So on the left is sunspot AR2680 at 12:48PM EST, and the same spot to the right 4 hours, 17 minutes later at 4:48PM EST. If I'm doing this right, they certainly do rotate; fairly fast too, considering the size of the sun.
    Anyways, just thought that was neat, and kept me out of my families hair for a bit

    Image6.jpg

    Once again, have a good day/night!
    Mark
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    Default Re: The Sun and AR2680

    Quote Originally Posted by TheFatKitty View Post
    I tried it again today, and am really not sure which I like better. Thoughts???
    I think I prefer the one with no filter (that's just me, of course). Either way, cool shots and thanks for the sunspot info.
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