What processing technique do professional astrophotographers use to counteract the unnatural color caused by solar filters?

Answer

Shooting in RAW format and manually setting the white balance based on reference shots.

Protective filters alter the spectral balance, often resulting in muddy tones. Professionals bypass this by shooting in RAW format, which retains more data, allowing them to manually adjust the white balance based on reference shots of the clear sky taken immediately before or after.

What processing technique do professional astrophotographers use to counteract the unnatural color caused by solar filters?

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How to Photograph the Sun Safely - YouTube

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