Download Data

Please complete this form to download variable star data from the AAVSO International Database. The output data file format can be found here: https://www.aavso.org/format-data-file. For very large datasets or further assistance, please contact AAVSO HQ (aavso@aavso.org)
WHAT DATE RANGE WOULD YOU LIKE TO USE?
Enter Julian date or Gregorian Date (MM/DD/YYYY)
HOW SHALL WE CONTACT YOU?
DO YOU WANT DISCREPANT DATA INCLUDED?
DO YOU WANT DIFF AND STEP DATA INCLUDED?
IN WHAT FORMAT SHOULD THE DATA BE RETURNED?