ALeRCE LSST and ZTF services will undergo maintenance on Wednesday June 17 2026 17:00 UT until same day 23:00 UT at most. During this time, users may experience patchy access to LSST and ZTF data stored in the ALeRCE database through TAP, API, python client, SQL queries and web interfaces (lsst.alerce.online and alerce.online).
We will inform the end of the maintenance period as a reply to this announcement.