This tutorial will guide you on how to add custom celestial objects using the Seestar App.

First, open the Seestar App and connect it to your mobile device. Then, tap on the "SkyAtlas" button at the bottom menu.

On the "SkyAtlas" page, tap the "Objects" button in the top right corner. On the Objects page, scroll to the bottom of the screen to find "My Favorites," then tap the "More" button on the right to enter the details page.

Tap the "Customize" button in the top right corner, enter the coordinates of the celestial object you want to add, and tap "Add" to complete the custom celestial object.

After adding, you can view the added celestial object on the "My Favorites" page. Swipe left to delete the object.