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High-resolution double sunspot, Mewlon 250 S telescope, 250 mm ERF filter, 230 mm useful aperture, with optimized and modified Fabry Perot PST at the instrument's focus! Player One camera. May 2, 2025

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© Andre Cassese
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    From the album:

    Mewlon 250 S Halpha

    · 9 images

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