MAGNESIUM QUARK!

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Valery
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Re: MAGNESIUM QUARK!

Post by Valery » Wed May 30, 2018 12:40 am

I already saw images taken with this Quark. Sort of images like with sodium Quark, like images I routinely obtain with unheated H-a Chromosphere Quark.

H-a, CaK, CaH and Ca I (8542,1A) all are much more interesting lines.
"Solar H alpha activity is the most dynamic and compelling thing you can see in a telescope, so spend accordingly." (c) Bob Yoesle.

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LauraMS
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Re: MAGNESIUM QUARK!

Post by LauraMS » Wed May 30, 2018 5:54 am

there are a few images on the internet by Gary Palmer:

https://britastro.org/node/13029

as a comparision, here is a sodium image from Gary Palmer:

https://www.facebook.com/astrophotophot ... 74/?type=3

So, now options become available but I agree with Valery that there may be other lines of interest, like TiO ad Ca I. The nice thing about Na and Mg is, however, that SCTs are well corrected at that wavelength other than at Ca (and Halpha).

Best, Laura

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