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First solar outreach

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#1 ubcastro

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Posted 28 June 2022 - 11:24 AM

I attempted my first solar outreach this past Sunday, a beautiful, clear, hot day, using the UBC Astronomy Club's new APM 140 refractor and Daystar Quark. 

I don't yet have a solar finder, so finding the sun took me far too long, but thankfully once found, my mount was gracious enough to track :)

 

Great prominences and lots of detail in the chromosphere to admire. Around ~70 or so people came by and some people were very impressed. 

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#2 Paul Sweeney

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Posted 07 July 2022 - 11:21 AM

To center the sun quickly, look at the shadow of the scope. When the shadow is almost round, you should see what looks like a single diffaction ring on the ground. Center it around the shadow, and the sun should be in or close to the fov of a low power eyepiece.
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#3 ubcastro

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Posted 07 July 2022 - 11:29 AM

I tried using the shadow, but it still took a while to centre. At 129X magnification (980mm focal length, 4.2X barlow, 32mm plossl), it's not so easy to find the sun. Ordered a solar finder though!



#4 Paul Sweeney

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Posted 07 July 2022 - 01:53 PM

I use a 40mm eyepiece. Another option is to make a small filter for your finder. I used to have one, but some kid stole it.
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#5 fizicksteacher

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Posted 16 July 2022 - 10:04 PM

I use a 40mm eyepiece. Another option is to make a small filter for your finder. I used to have one, but some kid stole it.

That is a great idea. Thank you.



#6 Ron-Fr

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Posted 17 July 2022 - 06:34 AM

I use a 40mm eyepiece. Another option is to make a small filter for your finder. I used to have one, but some kid stole it.

That's scary. If a kid can steal it, it means that a kid can remove it.




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