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News and Announcements
Thursday, November 8, 2012 - 11:36
Special Notice #307: Observations crucial tonight for SDSS J001153.08-064739.1
Wednesday, November 7, 2012 - 14:14
Special Notice #306: Telluric standards for T Tau stars campaign spectroscopists
Tuesday, November 6, 2012 - 15:45
101st Annual Meeting of the AAVSO - Archive
Tuesday, November 6, 2012 - 13:39
Alert Notice 473: T Tauri stars observing campaign
Monday, November 5, 2012 - 16:53
New eJAAVSO preprint: Period Analysis of 55 Semiregular (SR/SRa/SRb) Variables
Monday, November 5, 2012 - 14:07
Special Notice #305: HST COS observations of FL Psc (ASAS J002511+1217.2) scheduled
Monday, November 5, 2012 - 09:15
Publication deadlines to remember
Wednesday, October 31, 2012 - 12:50
Special Notice #304: HST COS observations of SDSS J001153.08-064739.1 scheduled
Wednesday, October 31, 2012 - 12:05
Special Notice #303: VLBA and e-MERLIN observations of SS Cyg underway
Wednesday, October 31, 2012 - 09:13
New eJAAVSO preprint: Ross variables revisited. II by W. Osborn and O. F. Mills
Monday, October 29, 2012 - 13:22
VStar version 2.14.0
Friday, October 26, 2012 - 13:48
New eJAAVSO preprint: on Variability type determination and high precision ephemeris for NSVS 7606408
Wednesday, October 24, 2012 - 16:08
Special Notice #302: HST COS observations of 1RXS J023238.8-371812 scheduled
Wednesday, October 24, 2012 - 10:25
Four new eJAAVSO preprints
Wednesday, October 24, 2012 - 09:11
Special Notice #301: Retraction of Special Notice #300
Tuesday, October 23, 2012 - 10:54
Two new eJAAVSO preprints
Friday, October 19, 2012 - 13:18
Alert Notice 472: Monitoring of HD 5980 requested for multiwavelength campaign
Wednesday, October 17, 2012 - 11:58
Solar Bulletin - Volume 68, Number 9
Thursday, October 11, 2012 - 16:25
The AAVSO Newsletter - October 2012 - is published
Thursday, October 11, 2012 - 14:30
Annual Meeting Reminder: Hotel Deadline extended!
Thursday, October 11, 2012 - 11:07
New eJAAVSO: on the variability of V538 Cas by G. Holmberg
Wednesday, October 10, 2012 - 11:40
Special Notice #299: Observations needed TODAY of SDSS J164248.52+134751.4
Saturday, October 6, 2012 - 00:55
Special Notice #298: Second set of HST COS CV targets announced
Saturday, October 6, 2012 - 00:44
Special Notice #297: HST COS observations of SDSS J164248.52+134751.4 scheduled
Friday, October 5, 2012 - 16:39
Annual Report for 2010-2011 is published
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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
Council: 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
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
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)
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