What to write to us about
- A number that looks wrong, or a park, country or date that's missing
- Questions about how a figure was calculated
- Using our data or charts in your own work
- Press and partnership enquiries
What we can't help with
We can't see your stargazing plans or your park booking, and we don't run any park, observatory or space agency. For park alerts, fees and permits, go to the park's own National Park Service page, which is linked from each park page.
We read every message and reply when we can, usually within a few working days. Corrections get priority. Read how we handle them.