Sign Up for Alerts
This service will only notify you of “good” sighting opportunities - that is, sightings that are high enough in the sky (40 degrees or more) and last long enough to give you the best view of the orbiting laboratory.
Enter your Code
Complete your registration, renewal or cancellation with the 8-digit code you received.
The code expires 24-hours after your request to sign up, renew or cancel your account. Check your spam folder if you haven't received your code.