I got the best results with the google camera app and using the astrophotography mode (may be something limited to Pixel Phones?)
The mode gets activated when your phone doesn't move for a few seconds while you have the 'Night Sight' tab open.
In this mode, the photo will take 2-5 minutes, but the results are worth it. It feels like you can see every single star with it. It also (sometimes?) creates a timelapse, which was really cool, when I photographed to aurora, as you could see it moving in the timelapse. (It was very faint where I life, so I couldn't just take a video to see it)
The mode gets activated when your phone doesn't move for a few seconds while you have the 'Night Sight' tab open.
In this mode, the photo will take 2-5 minutes, but the results are worth it. It feels like you can see every single star with it. It also (sometimes?) creates a timelapse, which was really cool, when I photographed to aurora, as you could see it moving in the timelapse. (It was very faint where I life, so I couldn't just take a video to see it)