Dashboard

Application Portal

Welcome to the AAVSO Application Portal! Here you can find a listing of all our applications and tools. Note that some applications, such as AAVSOnet, are only available to subscribing members.

Finding Data

Variable Star Index

A comprehensive database of variable stars and their properties.

Global Search

A unified search tool that allows users to find photometry, spectroscopy, and exoplanet observations

Photometry Search

A specialized search interface for accessing photometric data of variable stars

Spectroscopy Search

A specialized search tool for accessing spectroscopic observations

Exoplanet Search

A specialized search tool for accessing exoplanet observations

Observing

Observing Campaigns

A searchable listing of active and past campaigns on objects of scientific interest

Variable Star Plotter

A form for generating finder charts for a star or area of the sky complete with comparison stars

Processing

VPhot

A photometric reduction tool designed for AAVSO data (Members Only)

Light Curve Generator

View Variable Star Light Curves

VStar

Java application for variable star data download & analysis

Submitting Data

Submit Photometry

Submit photometric data to the AID

Submit Spectroscopy

Submit spectroscopic data to AVSpec

Submit Exoplanet

Submit exoplanet data

Submit Solar Data

Submit solar observations to the AAVSO

Tools

Julian Date Calculator

Convert from Calendar to Julian Dates

Search Users

Search and contact AAVSO members.

AAVSOnet

Submit an Observing Proposal (Members Only)

TargetTool

Find observing targets based on your location

JAAVSO (Journal)

AAVSO's Peer Reviewed Journal for submitting scientific work