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News and Announcements
Tuesday, May 31, 2011 - 13:56
Reporting DSLR Data
Friday, May 27, 2011 - 11:02
Alert Notice 441: Monitoring of Bright Giant Variables requested in support of ground-based spectroscopy and for long-term study
Thursday, May 26, 2011 - 14:19
New ejaavso preprint: "CI Cygni 2010 Outburst and Eclipse: An Amateur Spectroscopic Survey..."
Thursday, May 26, 2011 - 10:55
David Benn Receives 2011 Director's Award
Thursday, May 26, 2011 - 10:26
Minor planet 12789 Salvadoraguirre named for AAVSO member!
Monday, May 23, 2011 - 14:36
Hubble Space Telescope Campaign Results
Wednesday, May 18, 2011 - 12:26
Charts and Sequences Update May 2011
Tuesday, May 17, 2011 - 12:13
Alert Notice 440: PEP Observing Campaign on P Cygni
Thursday, May 12, 2011 - 17:59
AAVSO en Espacio Profundo Radio
Monday, May 9, 2011 - 15:25
Chat Transcript - History of the AAVSO
Friday, April 29, 2011 - 14:54
AAVSO HQ Job Position: Administrative Assistant
Friday, April 29, 2011 - 09:45
Mira Variables with Period Changes
Thursday, April 28, 2011 - 16:37
AAVSO Joins Virtual Observatory VOEvents Stream
Thursday, April 28, 2011 - 12:02
Alert Notice 439: Correction to AAVSO Alert Notice 438 on SN 2011by
Thursday, April 28, 2011 - 11:16
AAVSO Alert Notice 438
Wednesday, April 27, 2011 - 16:36
New ejaavso preprint "Leo5 is a Z Cam Type Dwarf Nova" by P. Wils, T. Krajci, and M. Simonsen
Wednesday, April 20, 2011 - 09:44
Visual Observing Manual updates
Friday, April 15, 2011 - 16:53
AAVSO Newsletter 48 now online
Friday, April 15, 2011 - 12:13
AAVSO Alert Notice 437
Thursday, April 14, 2011 - 10:47
Alerta de AAVSO 436
Thursday, April 14, 2011 - 07:44
AAVSO Alert Notice 436
Wednesday, April 6, 2011 - 09:59
New ejaavso preprint: "Times of Minima and New Ephemerides..." by A. Marchini et al.
Sunday, April 3, 2011 - 19:36
Alert Notice 435: V5588 Sgr = Nova Sagittarii 2011 No. 2 = PNV J18102135-2305306 [V5588 Sgr]
Saturday, April 2, 2011 - 11:56
Special Notice #238: HST observations scheduled for GW Lib
Friday, April 1, 2011 - 10:40
Charts and Sequences Update April 2011
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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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