Technical Support

For assistance with your Celestron product, please reach out to our Technical Support team using the form below.

You may be able to find the solution to your issue faster by clicking the Support tab above. There you can view our Knowledgebase, browse Frequently Asked Questions, watch helpful videos, and download product manuals. If you still need assistance, please submit a ticket below or call us.

Starry Night Astronomy Software users:

If the activation code you received with your telescope is not working, please fill out the form here to generate a new code.

Report a software vulnerability

Celestron Holiday Closures

Please note, our Support Department and Distribution Center will be closed on the following dates:

  • Thursday November 27, 2025
  • Friday November 28, 2025
  • Thursday December 25, 2025 
  • Thursday January 1, 2026

Submit a Support Ticket

Select a Support Category:

Email: USTechSupport@celestron.com
Phone: 1-800-421-9649