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News and Announcements
Tuesday, December 2, 2014 - 11:00
New eJAAVSO preprint: Recent minima of 161 EB stars
Monday, November 24, 2014 - 14:41
New eJAAVSO preprint: Observations of novae from ROAD
Monday, November 24, 2014 - 10:28
New eJAAVSO preprint: Pulsating star period-amplitude relation
Friday, November 21, 2014 - 11:24
New eJAAVSO preprint: V1073 Herculis and the Possible Detection of a Dwarf Companion
Wednesday, November 19, 2014 - 15:29
Solar Bulletin - Volume 70, Number 10
Wednesday, November 19, 2014 - 09:47
Three new eJAAVSO preprints
Monday, November 17, 2014 - 15:10
New eJAAVSO preprint: observing zeta Aur binary stars
Monday, November 10, 2014 - 14:19
Special Notice #390: New possible WZ Sge variable ASASSN-14jv
Monday, November 3, 2014 - 17:54
The AAVSO Director search results are in!
Wednesday, October 29, 2014 - 17:59
Special Notice #389: Possible Supernova in NGC 4303 (M61) - PSN J12215757+0428185 [SN 2014dt]
Friday, October 24, 2014 - 17:26
Alert Notice 505: Monitoring of Northern dwarf novae for radio jets campaign
Friday, October 24, 2014 - 10:43
Silicon and Glass
Friday, October 24, 2014 - 10:30
Special Notice #388: Outburst of VSX J213806.5+261957
Wednesday, October 22, 2014 - 12:07
Charts and Sequences Update October 22, 2014
Monday, October 20, 2014 - 16:00
Solar Bulletin - Volume 70, Number 09
Wednesday, October 15, 2014 - 14:33
AAVSO Newsletter for October 2014 is published
Tuesday, October 7, 2014 - 15:55
Alert Notice 506: Alpha Com eclipse observing campaign
Monday, September 29, 2014 - 12:49
New eJAAVSO preprint: Amplitude variations in pulsating yellow supergiants
Wednesday, September 17, 2014 - 16:47
Alert Notice 504: Epsilon Aur monitoring during predicted pulsation phase
Friday, September 12, 2014 - 10:35
New eJAAVSO preprint: CT Lac--Long-period Carbon Star with Long-Timescale Variations?
Thursday, September 11, 2014 - 13:11
Announcing the 2014 AAVSO Council Nominees
Friday, September 5, 2014 - 13:55
Two new eJAAVSO preprints: O-C Methods; EQ Eri
Wednesday, September 3, 2014 - 10:01
New eJAAVSO preprint: 23 New Variable Stars
Thursday, August 28, 2014 - 13:15
New eJAAVSO preprint: V393 Car, current light elements
Thursday, August 28, 2014 - 09:28
New eJAAVSO preprint: AL Pictoris and FR Piscium: Two Regular Blazhko RR Lyrae Stars
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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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