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Thread: My solar projection setup

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    Default My solar projection setup



    In preparation for the Mercury transit I decided to build a sun projection set. I was researching the topic, and among many sun funnels, boxes and buckets this one made by Skyguy on CN stroke me as a simple and elegant solution.

    https://www.cloudynights.com/topic/6...ect/?p=9228541

    Luckily there was one HIP 8mm projector on eBay. Behold the blast from the past!





    Naturally, I wanted to see what's inside. As I suspected there was a diagonal (It would be cool if it was a prism, but no just mirror), and not much else.



    The box is coupled to a tiny "ENS made in Japan" lens. Doublet, judging from reflections



    I bought open box Meade 80mm travel scope of Amazon. What a deal! Tripod, EPs and diagonal are just plastic junk, but for ~$70 you get a copy of Orion ST80, nice travel backpack, and a perfectly functional red dot.

    The rest took ~10 min. I scavenged 1.25" barrel of one of included EPs and adapted it to fit on the projector scope with duct tape (of cause! )

    Needed about 4" extra focuser travel (tubes from TV 3x and 2x barlows combined) and it's all set.





    Unfortunately, there were no spots on Sunday and I likely gonna miss AR2735 to clouds. But there will be more and I will be ready!.

    BTW, let me know where I can get 1.25" 4" or 5" extension tube.

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    Default Re: My solar projection setup

    Ha! That's pretty darn awesome, Andrey! I like it!
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    Default Re: My solar projection setup

    Quote Originally Posted by bladekeeper View Post
    Ha! That's pretty darn awesome, Andrey! I like it!
    I know right?! My family was so impressed that they did not even notice that I smuggled in another scope.

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    Default Re: My solar projection setup

    That is really nice and should be great for outreach, now for the coming solar max! It will be here someday
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    Default Re: My solar projection setup

    Hello Andrey,

    this is a fantastic idea how to repurpose a film projector accessory.
    As there are some Cemax solar eyepieces on the e-Bay, I am considering to build a sunshine frac with my Hoya Japan 55mm dia achromat.
    Thank you for the inspiration,

    JG
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    Default Re: My solar projection setup

    Hi Andrey and congratulation for your ingenuosity! It is awesome, and you did a very clean assembling and adaptation.
    Very well done!

    you gave inspiration to me also!

    Thank you.

    Clear skies.
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    Default Re: My solar projection setup

    Hopefully your skies are clearing Bigzmey, there is another sunspot group forming (unnumbered) at the moment.
    It looks like your solar setup is going to do well
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    Default Re: My solar projection setup

    Nice set-up, Andrey

    Thanks for posting all the images.

    Here's a shot of the sun today using my HP Projector scope conversion. The new triple sunspot group (unnumbered)... that just "popped-out" ... was easily visible, however AR 2735 was extremely difficult to see (I'm not 100% sure it was even visible) because of the glare and I couldn't get it to show up on the image. I'll need to rig a sunshade:

    https://app.box.com/s/tax0gdjspe5n30iys2hxdfwbcx5nbjbg

    ...and a shot of my sun projector setup:

    https://app.box.com/s/vk5d57dr4jmjswwz4dr0cubfa1jfbmp9]

    *skyguy*

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    Default Re: My solar projection setup

    Quote Originally Posted by Ben Cartwright SASS View Post
    That is really nice and should be great for outreach, now for the coming solar max! It will be here someday
    Quote Originally Posted by j.gardavsky View Post
    Hello Andrey,

    this is a fantastic idea how to repurpose a film projector accessory.
    As there are some Cemax solar eyepieces on the e-Bay, I am considering to build a sunshine frac with my Hoya Japan 55mm dia achromat.
    Thank you for the inspiration,

    JG
    Quote Originally Posted by Flaneurstellaire View Post
    Hi Andrey and congratulation for your ingenuosity! It is awesome, and you did a very clean assembling and adaptation.
    Very well done!

    you gave inspiration to me also!

    Thank you.

    Clear skies.
    Thanks guys! Credit for the idea goes to Dilapo (Skyguy) here.
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    Default Re: My solar projection setup

    Quote Originally Posted by Gabby76 View Post
    Hopefully your skies are clearing Bigzmey, there is another sunspot group forming (unnumbered) at the moment.
    It looks like your solar setup is going to do well
    I saw it this morning on the Spaceweather and was like What!? Two spots and we got clouds and rain! I should keep the setup in my car in case sun comes out during the day.
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