Rarity in Space Provides Insights to Evolution
AAVSO's Staff Astronomer plays key role
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Now hiring: software developer
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compare DSLR, CCD and CMOS cameras for photometry
Feb. 4 | 19:00 UT | Free | Zoom
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Introducción a la Astronomía (Parte 1): 18/2
Gratis | Para principiantes | Zoom
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Renew your AAVSO membership to keep the perks!
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Discover the AAVSO
an international community
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La Ciencia del Cielo para Principiantes
Seminarios web de astronomia gratis en espanol
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The mission of the AAVSO is to enable anyone, anywhere to participate in scientific discovery through variable star astronomy. 

Resources

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(VSX) Variable Star Index
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Pick a Star

Plot a light curve
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The Journal of the AAVSO
/apps/jaavso
Data
Submit and Access Data
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Telescope
Tools and Observer Resources
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Observing Sections
Observing Sections
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Education
Education
CHOICE Courses, Manuals, Videos
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AAVSO In Press
AAVSO In Press
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Membership and Support
Membership and Support
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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 6 , 7 9 2 , 0 9 2 and Counting ...

Last Observation Received:

12 min 2 sec ago by KADB - Andre Kovacs (BR)

WASP-52   Aug 28.5003   12.2161CV

Plot WASP-52 light curve

Alert Notice 810: ASASSN-18dg and SDSS-J080449.49+161624.8 to be observed with HST
Feb 3
Rarity in Space Provides Insights to Evolution
Feb 1
Web Software Developer Position
Jan 31
Solar Bulletin - Volume 78, Number 12
Jan 18
Alert Notice 809: Monitoring of AB Aur requested for HST support
Jan 17
News Archives

Our Stellar Partners


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