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PEP Newsletter

Photoelectric Photometry Newsletters

The Photoelectric Photometry Newsletter is no longer issued as a separate AAVSO publication. Beginning in August 2008, articles on photoelectric photometry are now included in the AAVSO Newsletter.

Past issues:

Data Access

The AAVSO Data Access portal

Go to Data Download.
Go to WebObs (search observations).
Go to Light Curve Generator.
Go to MyNewsFlash.
Go to Data Usage Guidelines.
Go to Information about AAVSO Data.

Observing Campaigns - obsolete

This Observing Campaigns page has been discontinued as of July 31, 2017.

For information on AAVSO-related observing campaigns, please read the Alert Notices linked to from here:

Obtaining your PEP epsilon(V) coefficient

Making Observations for Obtaining Epsilon-V Coefficient Using the Two-Star Method


Assuming you have a suitable photoelectric photometry system (telescope and photometer), you will also need the following:

The AAVSO Photoelectric Photometry (PEP) Section

Welcome to the website of the AAVSO Photoelectric Photometry (PEP) Section!


AAVSO 49 Bay State Rd. Cambridge, MA 02138 617-354-0484