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News and Announcements
Tuesday, September 21, 2010 - 10:59
Special Notice #218: Outburst of the UGWZ star SDSS J080434.20+510349.2
Tuesday, September 14, 2010 - 15:00
Alert Notice 424: Monitoring and Study of V2672 Oph
Thursday, September 9, 2010 - 14:48
Longtime AAVSOer Wins Prestigious Award
Thursday, September 2, 2010 - 18:13
Special Notice #217: SN 2010hg in NGC 3001
Monday, August 30, 2010 - 18:28
Alert Notice 423: Request for observations of V455 AND in support of HST observations
Friday, August 27, 2010 - 10:40
Special Notice #216: Two new FU Orionis variables in Cygnus
Tuesday, August 24, 2010 - 17:15
99th Fall Meeting of the AAVSO
Tuesday, August 24, 2010 - 17:06
New AAVSO Chat Room
Tuesday, August 24, 2010 - 14:14
Special Notice #215: Brightening of the symbiotic star CI Cyg
Wednesday, August 18, 2010 - 14:35
Charts and Sequences Update
Thursday, August 5, 2010 - 16:08
AAVSO Facebook page reaches 2000 fans!
Sunday, August 1, 2010 - 11:38
Special Notice #214: Outburst of V592 Her
Friday, July 30, 2010 - 11:05
Special Notice #213: Request for observations of high-mass X-ray binaries
Monday, July 26, 2010 - 16:14
New Site: List of AAVSO Users
Monday, July 26, 2010 - 00:34
New Web Site Update!
Friday, July 16, 2010 - 17:20
Alert Notice 422: Observing Campaign on Hubble's First Variable in M31: M31_V1
Friday, July 16, 2010 - 01:03
Citizen Sky Planetarium Show w/Timothy Ferris
Thursday, July 15, 2010 - 01:13
AAVSO Newsletter #45
Tuesday, July 13, 2010 - 12:57
Astro Data Mining Blog
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About Us
The Organization
Vision/Mission
What We Do
Services
Work & Research
Volunteer
History
The AAVSO Archives
By-Laws
Contact Us
The People
Board: Officers and Members
Staff
Section Leaders
Honors & Awards
In Memoriam
Outreach
Presentation Library
The Location
AAVSO Headquarters
Directions
Guest Suite
Our Publications
Annual Report
Journal of the AAVSO
AAVSO Alert Notice
AAVSO Newsletter
Visual Observing Manual
CCD Photometry Guide
DSLR Observing Manual
Solar Bulletin
plus many more...
Apply for Membership
Renew Membership
Community
Meetings
Forums
Find a Member/Observer
Who's Online
Variable Stars
What Are They & Why Observe Them?
The Stories Variables Tell
Types of Variables
Variable Star of the Season
Educational Materials
CHOICE Online Institute
CCD School Videos
Student Projects
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
Alert Notices & Observing Campaigns
Observing Manuals
Visual Observing Manual
CCD Photometry Guide
DSLR Observing Manual
Exoplanet Observing Guide
PEP Observer's Guide
Solar Observing Guide
WebObs (Search AID or Submit Your Data)
Variable Star Charts
Variable Star Plotter (VSP)
Report Chart Errors
Request Comparison Stars
AAVSO Target Tool
Observation Planner Tool
JD Calculator & Calendar
Software Directory
Data
AAVSO International Database (AID)
Portal for Researchers
Historic Light Curves
Eggen Card Project
WebObs (Submit/Search Data)
Data Access
Download Data in ASCII Form
Light Curve Generator (LCGv2)
Light Curve Generator (LCGv1)
MyNewsFlash - Real-Time Data Delivery
WebObs Search (Search the AID)
Data Analysis
Transformation
VPHOT - Online Photometry Tool
Zapper - Help Validate Data
VStar - Java Visualization & Analysis Tool
The AAVSO Photometric All-Sky Survey (APASS)
AAVSOnet Epoch Photometry Database
AAVSOnet
Getting Started
What Are Variable Stars?
Things to Do
Find a Mentor
Online Forum for Help and Advice
Observing Tutorials
10-Star Tutorial (Visual Observations of Variable Stars)
5-Star Tutorial (Data Analysis)
Observing Sections
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