Double image issue in iphone 13 while taking night pictures of moon.

Hi there ridham162,

If the camera on your iPhone isn't working as expected, try the steps in this support article to see if they resolve the issue for you: If the camera or flash on your iPhone, iPad, or iPod touch isn't working - Apple Support

If this behavior persists, you'll want to reach out to Apple Support directly for further assistance. They're best-equipped to take a closer look at the issue and provide some additional guidance. This link will help you get started: Apple Support

Take care.

It's a phenomenon known as lens flare.

What is lens flare?

https://photographylife.com/what-is-ghosting-and-flare#:~:text=Lens%20flare%20occurs%20when%20a,being%20present%20in%20the%20image.