Celestron CN-16 is a GPS accessory designed to enhance the alignment capabilities of NexStar-i and CGE telescopes. It provides the following features:

• Automated GPS satellite assisted alignment: The CN-16 connects to GPS satellites to download accurate time, date, and location data, which is then input into the telescope's hand control for fully automated star alignments.
• Easy installation: The CN-16 can be easily attached to either a NexStar-i or CGE telescope using the included mounting bracket and screws.
• Leveling capability: The CN-16 incorporates a ball bearing level switch to level the optical tube with the ground, ensuring accurate alignment.