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Transit of Mercury in the Spicule Layer. Phil took this great image with his Quantum 6 Scope, Solar Spectrum etalon and PGR Camera.

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Moving forward from solar cycle 24 to 25

150 mm Solar Newton

Frankenscope? Let's see it!***be advised that NOTHING in this forum has been safety tested and you are reading and using these posts at your own peril. blah, blah, blah... dont mess around with your eyesight when it comes to solar astronomy. Use appropriate filtration at all times...
bart1805
Almost There...
Almost There...
Posts: 627
Joined: Mon Feb 06, 2017 9:04 pm
Location: The Netherlands

Re: 150 mm Solar Newton

Post by bart1805 » Wed May 22, 2019 8:31 pm

christian viladrich wrote:
Wed May 22, 2019 6:51 pm
Hello Bart,
I like your filter support system :-)
I have made no progress on my side since I was busy on other things. I've got to get into this in June.
BTW, did you observe any temperature issue with the filter ?
Best regards
Christian
Hi Christian,
No heat issues at all at the moment. But it is still standing on my desk. (-;
Hope to be able to test it soon, will let you know the results.
CS! Bart.

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