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Originally Posted by hhEb09'1
How safe do you want to be? 
.... but the sun's rays focussed through a telescope without filters can sear flesh. OTOH, there are plenty of reports of naked eye sunspots, usually when the sun is low and diminished. Is that what you are asking about? |
...as can focussing thru a magnifying glass...please don't do it....
not pleasant...
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clear skies
If you want to make an apple pie from scratch, you must first create the universe. CARL SAGAN
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