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News and Announcements
Monday, December 6, 2010 - 09:50
30 Min Downtime at 1700UTC 6 Dec
Saturday, December 4, 2010 - 13:38
Special Notice #226: Request for observations of FS Aurigae
Thursday, December 2, 2010 - 11:38
AAVSOnet Online Discussion Forum
Wednesday, December 1, 2010 - 16:59
Special Notice #225: A new UGWZ candidate in Pisces
Wednesday, December 1, 2010 - 09:23
100 Years of Citizen Science
Tuesday, November 30, 2010 - 19:04
Alert Notice 428: Monitoring requested of the peculiar cataclysmic variable FS Aurigae
Friday, November 26, 2010 - 11:20
Symbiotic Variable Star On the Verge of an Eruption?
Tuesday, November 23, 2010 - 16:45
Alert Notice 427: Observing campaign on BM Ori and the Trapezium region
Tuesday, November 23, 2010 - 11:13
Special Notice #224: Possible outburst of SDSS_J160501.35+203056.9
Thursday, November 18, 2010 - 15:30
Special Notice #223: BL Lac object 3C 454.3 undergoing bright flare
Tuesday, November 16, 2010 - 12:05
Web Chat with our New Web Developer
Thursday, November 11, 2010 - 12:13
Fall Meeting: Presentation Files
Saturday, November 6, 2010 - 20:35
Meetings Survey
Friday, November 5, 2010 - 11:25
Special Notice #222: Bright Supernova in UGC 5189A: SN 2010jl
Tuesday, November 2, 2010 - 15:34
Special Notice #221: Infrequent Outburst of the SU UMa Variable HT Cas
Wednesday, October 20, 2010 - 10:35
Special Notice #220: Request for observations of high-mass X-ray binaries (HMXBs) in support of radial velocity observations
Friday, October 15, 2010 - 13:43
AAVSO Newsletter 46
Friday, October 15, 2010 - 13:30
Three recent JAAVSO preprints
Tuesday, October 12, 2010 - 10:44
Special Notice #219: Eclipse of the symbiotic star CI Cygni
Monday, October 11, 2010 - 23:40
AAVSO Abstracts 1951 - 1971
Thursday, October 7, 2010 - 17:05
AAVSO 2011 Calendar Survey
Tuesday, October 5, 2010 - 10:22
Alert Notice 426: Rescheduled request for observations of V455 AND in support of HST observations
Friday, October 1, 2010 - 11:56
Alert Notice 425: Monitoring of HBC 722 and VSX J205126.1+440523 Requested
Wednesday, September 22, 2010 - 14:16
RR Lyrae
Tuesday, September 21, 2010 - 17:36
Mystery in the Sky Documentary
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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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