Very nice! Especially FD in a core of the line 854.21nm
Thanks!
current 854.2nm calcium image at NSO
- Valery
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Re: current 854.2nm calcium image at NSO
"Solar H alpha activity is the most dynamic and compelling thing you can see in a telescope, so spend accordingly." (c) Bob Yoesle.
Largest full size 185 - 356mm Dielectric Energy Rejection Filters (D-ERF) by ARIES Instruments.
Largest full size 185 - 356mm Dielectric Energy Rejection Filters (D-ERF) by ARIES Instruments.