Why is it so grainy and noisy? Maybe you shouldn't have taken 5-minute exposures, but rather more frames at a shorter exposure time? I also have a 550D, but it doesn't produce such grain in my photos.
Grainy because I forgot to turn on dithering here. Also, I realized that with an uncooled DSLR, it doesn't make sense to use exposures longer than 300 seconds, as the noise becomes overwhelming. Or you have to lower the ISO to 100.
That's true, but it also costs as much as a Boeing wing. :) For that money, you could buy 5 cameras.
Although, of course, the sensors in regular Canons aren't designed for astrophotography and deliver what they're capable of.
2 Jan, 2025
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Although, of course, the sensors in regular Canons aren't designed for astrophotography and deliver what they're capable of.
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