AAVSO: American Association of Variable Star Observers

Register

Fields with an asterisk (*) are required.

User
Name
e.g. Dr., Mr., Mrs.
Contact
Any line in your address, before the street, goes here
Use two-letter state/province code in US/Canada
Miscellaneous
Accepted formats: ±DD:MM:SS.XX or decimal degrees
e.g. -35:32:28.12; 42.38711
Use negative values for Southern Hemisphere
Same format as latitude
Use negative values for Western Hemisphere
Use YYYY-MM-DD format