I recently bought a new smartphone, a OnePlus 3, since my Nexus 6 was pretty much dead, turning off pretty much everytime I did something else than keeping it in my pocket.

I was particularly interested in the "manual controls" feature of the OnePlus, including the ability to shoot up to 30 seconds, particularly convenient if you want to use it for astronomy.

It turned out this really works out well!

I just did a few tests, but the results are very promising.

Cloudy evening with full moon.
Shot taken with OnePlus 3 Smartphone

Cloudy evening.
Shot taken with OnePlus 3 Smartphone

Shot taken with OnePlus 3 Smartphone

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Shot taken with OnePlus 3 Smartphone
10 seconds exposure

The phone can also save images in RAW format, which means that if I'll also be able to program a sequence of shots, I could be able to stack pictures, to produce even better results.