No- its not blank- PR - classification required.
Taken by Apollo Lasky on May 6, 2021 @
Naperville, il
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Details:
There is an un-named "plage region" that you cannot see without a calcium filter. It is important to look at this wavelength because of unique ultraviolet region's. A new "plage region" classification for this type of area should be encouraged in the scientific community.
Photographer's website:
No URL provided.
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