29-01-2019, 10:50 AM
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Moderator
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Join Date: Apr 2005
Location: NEWCASTLE NSW Australia
Posts: 33,160
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Quote:
Originally Posted by Merlin66
Jeremy,
Solar granulation is a White light feature. These convection cells are about 1 arc sec in size and generally need an aperture > 100mm and good seeing.
Not visible in Ha.
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To add to that https://www.skyandtelescope.com/obse...-nearest-star/
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