2025/08/17 - Sun in G and NUV | Astrobiscuit | Page 1

radiant whale Aug 21, 2025, 1:51 PM

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The Sun in G and NUV on the 17th under excellent seeing.

SW 130/900, ASI183MM Pro, ZWO Green & #W47 + ZWO Luminance at 900mm f/7, 0.5"/px.

shy knot Aug 21, 2025, 4:54 PM

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Is this without any type of solar filter? Never knew that was possible

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I assume the filter stack filters enough of the light for it to be similar to a white light filter?

radiant whale Aug 21, 2025, 6:32 PM

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No no no

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There's an OD 3.8

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Baader

shy knot Aug 21, 2025, 6:33 PM

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oh the the film?

radiant whale Aug 21, 2025, 6:37 PM

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Yeah

shy knot Aug 21, 2025, 7:09 PM

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Did you make a mask for the whole aperture of use the dust cap hole?

radiant whale Aug 21, 2025, 7:30 PM

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I've built an adjustable filter

#2025/08/17 - Sun in G and NUV