If you’re using a digital camera, start with an ISO of around 100 and increase it to see what the noise or distortion is like.
If you want to take photos of the sky using your smartphone, there are a few things you can do to improve their quality. Turn off the flash and don’t use digital zoom. If you’re using a digital camera, start with an ISO of around 100 and increase it to see what the noise or distortion is like.