Skip to main content
Search this site:
About Us
The Organization
Vision/Mission
What We Do
Services
Work & Research
Volunteer
History
The AAVSO Archives
By-Laws
Contact Us
The People
Council Members, Officers & Section Leaders
Staff
Honors & Awards
In Memoriam
Outreach
Presentation Library
Writers Bureau
Speakers Bureau
The Location
AAVSO Headquarters
Directions
Guest Suite
Our Publications
Annual Report
The Journal of the AAVSO
Alert and Special Notices
AAVSO Newsletter
Visual Observing Manual
CCD Observing Manual
Solar Bulletin
plus many more...
Apply for Membership
Renew Membership
Support the AAVSO
Funds
Amazon.com
Benefactors
AAVSO Store
Citizen Sky Project
Community
Meetings
Forums
Live Chat Room
Staff Blog
Social Media
Variable Stars
What Are They & Why Observe Them?
The Stories Variables Tell
Types of Variables
Variable Star of the Season
Education Materials
CHOICE Online Institute
Science Olympiad
Two Eyes, 3D
Variable Star Astronomy
H-R Diagram Plotting Activity
Reporting Variable Star Discoveries
Variable Star Index (VSX)
AAVSO in Print - Publications Using AAVSO Data
Observing
Observing at a Glance
Observing Sections
Observing Manuals
Visual Observing Manual
CCD Photometry Manual
DSLR Photometry Manual
Alert and Special Notices
Observing Campaigns
WebObs (Search AID or Submit Your Data)
Variable Star Charts
Variable Star Plotter (VSP)
Report Chart Errors
Request Comparison Stars
Observation Planner Tool
JD Calculator & Calendar
Software Directory
Data
AAVSO International Database (AID)
Portal for Researchers
Historic Light Curves
WebObs (Submit/Search Data)
Data Access
Download Data in Ascii Form
Light Curve Generator (LCG)
MyNewsFlash - Real-Time Data Delivery
WebObs Search (Searches AID)
Data Analysis
VPHOT - Online Photometry Tool
Zapper - Help Validate Data
VStar - Java Visualization & Analysis Tool
The AAVSO Photometric All-Sky Survey (APASS)
AAVSOnet
Getting Started
What Are Variable Stars?
Things to Do
Find a Mentor
Online Forum for Help and Advice
Star Tutorials
10-Star Tutorial (Visual Observations of Variable Stars)
5-Star Tutorial (Data Analysis)
Home
Contact Us
FAQ
Donate
Amazon
Home
Print This Page
front page news
Title
Posted By
Updated/commented date
Type
100 Years of Citizen Science
SXN
2 years 24 weeks
ago
Page
Charts and Sequences Update September 2011
SXN
1 year 33 weeks
ago
Page
Charts and Sequences Update December 2012
SXN
22 weeks 1 day
ago
Page
Charts and Sequences Update November 2011
SXN
1 year 26 weeks
ago
Page
Join the AAVSO for half off!
SXN
1 year 5 weeks
ago
Page
Charts and Sequences Update March 2012
SXN
1 year 10 weeks
ago
Page
VSP Improvements
SXN
2 years 14 weeks
ago
Page
Shopping on Amazon.com
SXN
1 year 24 weeks
ago
Page
Standard Stars in VSP
SXN
2 years 11 weeks
ago
Page
Charts and Sequences update March 2011
SXN
2 years 11 weeks
ago
Page
Charts and Sequences Update June 2012
SXN
49 weeks 6 days
ago
Page
Charts and Sequences Update May 2011
SXN
2 years 6 days
ago
Page
Charts and Sequences Update July 2011
SXN
1 year 45 weeks
ago
Page
Symbiotic Variable Star On the Verge of an Eruption?
SXN
2 years 25 weeks
ago
Page
Charts and Sequences Update April 2011
SXN
2 years 7 weeks
ago
Page
Charts and Sequences Updates April 2012
SXN
1 year 4 weeks
ago
Page
Charts and Sequences Update January 2011
SXN
2 years 19 weeks
ago
Page
New Observing Section Created to study Young Stellar Objects (YSOs)
SXN
1 year 49 weeks
ago
Page
Centennial Celebration Update March 2011
SXN
2 years 9 weeks
ago
Page
Year End Giving
SXN
1 year 24 weeks
ago
Page
AAVSO Facebook page reaches 2000 fans!
SXN
2 years 41 weeks
ago
Page
Charts and Sequences Update April 2013
SXN
7 weeks 21 hours
ago
Page
Charts and Sequences Updates September 2012
SXN
32 weeks 2 days
ago
Page
Alert Notice 444: Nova Lupi 2011
weo
1 year 41 weeks
ago
Page
Special Notice #302: HST COS observations of 1RXS J023238.8-371812 scheduled
weo
30 weeks 1 day
ago
Page
Alert Notice 479: Supernova 2013aa in NGC 5643 = PSN J14323388-4413278
weo
13 weeks 4 days
ago
Page
Alert Notice 462: Monitoring of J1407 for next extrasolar ring system transit
weo
47 weeks 3 days
ago
Page
Special Notice #252: Upcoming Eclipse of Zeta Aurigae
weo
1 year 27 weeks
ago
Page
Special Notice #311: HST COS to observe CW Mon 2012 November 30 - December 1
weo
26 weeks 2 days
ago
Page
AAVSO Special Notice #230
weo
2 years 16 weeks
ago
Page
AAVSO Alert Notice 442
weo
1 year 45 weeks
ago
Page
AAVSO Alert Notice 426
weo
2 years 33 weeks
ago
Page
Alert Notice 470: Symbiotic variable V4018 Sgr in outburst
weo
35 weeks 1 day
ago
Page
AAVSO Alert Notice 428
weo
2 years 25 weeks
ago
Page
2013 Eclipsing Binary Ephemeris online
weo
17 weeks 2 days
ago
Page
AAVSO Special Notice #238
weo
2 years 7 weeks
ago
Page
Special Notice #337: Bright transient near the galaxy NGC 5643 (Lupus)
weo
13 weeks 6 days
ago
Page
Special Notice #308: Observations crucial starting tonight for FL Psc (ASAS J002511+1217.2)
weo
27 weeks 2 days
ago
Page
Alert Notice 452: Simultaneous observations of SU Aur and AB Aur requested for XMM-Newton
weo
1 year 15 weeks
ago
Page
Special Notice #343: GK Per outburst appears to be underway
weo
9 weeks 3 days
ago
Page
« first
‹ previous
…
5
6
7
8
9
10
11
12
13
next ›
last »
About Us
The Organization
Vision/Mission
What We Do
Services
Work & Research
Volunteer
History
The AAVSO Archives
By-Laws
Contact Us
The People
Council Members, Officers & Section Leaders
Staff
Honors & Awards
In Memoriam
Outreach
Presentation Library
Writers Bureau
Speakers Bureau
The Location
AAVSO Headquarters
Directions
Guest Suite
Our Publications
Annual Report
The Journal of the AAVSO
Alert and Special Notices
AAVSO Newsletter
Visual Observing Manual
CCD Observing Manual
Solar Bulletin
plus many more...
Apply for Membership
Renew Membership
Support the AAVSO
Funds
Amazon.com
Benefactors
AAVSO Store
Citizen Sky Project
Community
Meetings
Forums
Live Chat Room
Staff Blog
Social Media
Variable Stars
What Are They & Why Observe Them?
The Stories Variables Tell
Types of Variables
Variable Star of the Season
Education Materials
CHOICE Online Institute
Science Olympiad
Two Eyes, 3D
Variable Star Astronomy
H-R Diagram Plotting Activity
Reporting Variable Star Discoveries
Variable Star Index (VSX)
AAVSO in Print - Publications Using AAVSO Data
Observing
Observing at a Glance
Observing Sections
Observing Manuals
Visual Observing Manual
CCD Photometry Manual
DSLR Photometry Manual
Alert and Special Notices
Observing Campaigns
WebObs (Search AID or Submit Your Data)
Variable Star Charts
Variable Star Plotter (VSP)
Report Chart Errors
Request Comparison Stars
Observation Planner Tool
JD Calculator & Calendar
Software Directory
Data
AAVSO International Database (AID)
Portal for Researchers
Historic Light Curves
WebObs (Submit/Search Data)
Data Access
Download Data in Ascii Form
Light Curve Generator (LCG)
MyNewsFlash - Real-Time Data Delivery
WebObs Search (Searches AID)
Data Analysis
VPHOT - Online Photometry Tool
Zapper - Help Validate Data
VStar - Java Visualization & Analysis Tool
The AAVSO Photometric All-Sky Survey (APASS)
AAVSOnet
Getting Started
What Are Variable Stars?
Things to Do
Find a Mentor
Online Forum for Help and Advice
Star Tutorials
10-Star Tutorial (Visual Observations of Variable Stars)
5-Star Tutorial (Data Analysis)
AAVSO
49 Bay State Rd. Cambridge, MA 02138
aavso@aavso.org
617-354-0484