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Tools For Observers

Enter data VSP Light Curve Generator version 2 View recent data VSX


What Should I Observe?

AAVSO Target Tool
This tool provides you with lists of observing targets for each section as well as information on when the stars were last observed.

AAVSO Program Stars in Need of Observations
This page provides information on stars on our LPV Program list, LPV/CV Legacy lists, and Binocular lists that have been unobserved during the past seven (7) days.

Observation Planner Tool

AAVSO Binocular Program

AAVSO LPV Program 

AAVSO Legacy LPV Program

AAVSO Legacy Cataclysmic Variable Program

Recent Additions (stars with new charts and/or sequences)

Zoom Webinar Series

Between June 27 and October 3, 2020 the AAVSO hosted a series of Zoom webinars highlighting each of the observing sections below. The recordings of each of the webinars are now available for your enjoyment on the AAVSO YouTube channel.

Observing Sections

Bright Star Monitor Section
Global telescope network, free for members to use

Long Period Variables
Miras, Semiregulars, RV Tau and all your favorite red giants

Cataclysmic Variables
Novae, dwarf novae, recurrent novae and symbiotic variables

Photoelectric Photometry (PEP)
"Classic" photometry of bright stars

Eclipsing Binaries
Algol, beta Per, W UMa and all your favorite eclipsing binaries

Short Period Pulsating Variables
Cepheids, RR Lyr, delta Sct, beta Cep, and other exciting objects

Observing programs for exoplanet research

Sunspots and Sudden Ionospheric Disturbances (SIDs)

High Energy Network
Gamma Ray Bursts (GRBs) and other high energy astrophysical phenomena

Spectroscopy database and observing programs

Instrumentation & Equipment
Cameras, Filters, Telescopes, Mounts, Observatories, Gadgets, and Gizmos

Young Stellar Objects
Observing program for Pre-Main Sequence (YSO/PMS) stars


Please note that, by participating in all AAVSO activities, you are expected to follow our Non-Discrimination and Non-Harassment Policy. Participation is taken to signify your acknowledgment that you have read these guidelines/policies and your agreement to adhere to them.


Tools, Resources, and References



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