Inscribirse: Reprogramado para el 18/3, "Introducción a la Astronomía, Parte 2"
.
Slider Link
https://us02web.zoom.us/webinar/register/4416787239793/WN_lGDSAP3eQveBD_6hqxm9jA
Check out changes to the Variable Star Plotter!
.
Slider Link
https://www.aavso.org/vsp-update
Now hiring: software developer
.
Slider Link
https://www.aavso.org/software-developer-job
Rarity in Space Provides Insights to Evolution
AAVSO's Staff Astronomer plays key role
Slider Link
https://www.aavso.org/press-rarity-nature-publication
Renew your AAVSO membership to keep the perks!
.
Slider Link
/product/1
Discover the AAVSO
an international community
Slider Link
/welcome
La Ciencia del Cielo para Principiantes
Seminarios web de astronomia gratis en espanol
Slider Link
/2023-seminarios-web

old logo

The mission of the AAVSO is to enable anyone, anywhere to participate in scientific discovery through variable star astronomy. 

Resources

VSX Logo
(VSX) Variable Star Index
/vsx

Pick a Star

Plot a light curve
jaavso
The Journal of the AAVSO
/apps/jaavso
Data
Submit and Access Data
/databases
Telescope
Tools and Observer Resources
/observers
Observing Sections
Observing Sections
/observing-sections
Education
Education
CHOICE Courses, Manuals, Videos
/education
AAVSO In Press
AAVSO In Press
/press
Membership and Support
Membership and Support
/join-aavso

The AAVSO is an equal opportunity and discrimination / harassment free environment. 
Please read our policies HERE

AAVSO at a Glance

Variable Star Observations in Database:

5 7 , 1 6 8 , 8 0 8 and Counting ...

Last Observation Received:

7 sec ago by JNCA - Niercey Justino (BR)

R Cen   Mar 20.0903   7.7Vis.

Plot R Cen light curve

Solar Bulletin - Volume 79, Number 2
Mar 17
Alert Notice 818: SSS 100511:061754-362655 observations scheduled with HST
Mar 15
Alert Notice 817: Coverage needed of MU Cam in current low state
Mar 15
Alert Notice 816: KR Aur observations needed tonight for HST check
Mar 9
Alert Notice 815: T Pyx monitoring requested for upcoming HST observations
Feb 28
News Archives

Our Stellar Partners


Diffraction Limited logo of a swirled circle with text: Diffraction: Astronomy + Scientific Imaging SolutionsIm

Chroma Technology logo: the word chroma goes through a bright rainbow-colored hoop

Black outline of an intricately dressed being with accentuated features

Unistellar

Boyce Astro Logo

Text reads DC-3 Dreams Observatory Operating Systems

Text reads "Sky & Telescope" with the ampersand in a circle.

NSF

NASA Logo