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Why you can't color calibrate deep space photos
Why you can't color calibrate (deep) space photos:(Photography) Color is the most disputed part of astrophotography. It seems like no two images have the same colors, and the internet is full of disputes over what colors are correct or natural.
A Mira variable, spectral type M. This red giant star has a relatively cold surface, and emits most of its light in the infrared causing it to show up as pink. In this case, the real solution is easy: Just add a filter that prevents the infrared light from reaching the sensor — we won’t always be so lucky. Our eyes aren’t very good at seeing the deep red H-alpha, so the dimmer blue H-beta is able to compete, resulting a pink color.
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