In view of the coming LUNAR eclipse, I am thinking of what's will I need if it's a SOLAR Eclipse.
I googled and it ways an ND100000 filter. Or a solar film made of PET and aluminium. Can I take sunspots with it? as the next solar eclipse will not be in my part of the world till February 2027.
I googled and it ways an ND100000 filter. Or a solar film made of PET and aluminium. Can I take sunspots with it? as the next solar eclipse will not be in my part of the world till February 2027.
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