Huawei P30 User Manual page 61

Use Star Track to Capture the Beauty of Stars
Star track allows you to capture the movement of stars in the night sky.
For best results, choose a clear night in a location free of light pollution with an unobstructed
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view of the sky.
Place your device on a tripod or solid surface so that it does not move during the exposure.
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Go to Camera > More > Light painting > Star trails. Hold your device steady, then touch
to start shooting. A preview of the image will be displayed in the viewfinder. Touch
are finished.
Camera
when you
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