Your Matphone Galaxy S9
Explain based on your own Matphone
Camera -> More -> Enter Promo 
This is the setting to maximize the shutter speed to collect more light from the aperture F15
Manually setting the focal length to maximum
Set the timer appropriately because the mafone must remain stationary during the shooting time
If the picture comes out too bright, adjust the ISO value to make it dark
You can adjust it as you film it
In a dark place with no light, we filmed on a clear day
If you adjust the brightness and contrast through editing after the shoot,
You can capture stars in the night sky and even small stars that you can’t see with your bare eyes with a phone camera
If you zoom in, there are so many stars
The picture above shows a shooting star
S9 can take pictures like this, so newer phones will take better pictures
Let’s try it on a sunny nights!