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News and Announcements
Wednesday, September 6, 2017 - 20:08
Alert Notice 598: Intermediate polar FO Aqr fading and photometry needed now
Wednesday, September 6, 2017 - 19:04
Alert Notice 597: GW Lib time set for third HST observation
Thursday, August 31, 2017 - 17:02
Alert Notice 596: GW Lib time set for second HST observation
Thursday, August 24, 2017 - 15:42
Request Comparison Stars for Variable Star Charts
Thursday, August 24, 2017 - 15:25
How to report new variable star discoveries
Thursday, August 24, 2017 - 15:24
H-R Diagram Education Materials
Wednesday, August 23, 2017 - 14:08
Alert Notice 595: GW Lib time scheduled for first HST observation
Thursday, August 17, 2017 - 16:36
Alert Notice 594: Correction to Alert Notice 593
Tuesday, August 15, 2017 - 16:18
Solar Bulletin - Volume 73, Number 07
Friday, August 11, 2017 - 12:58
Alert Notice 592: V404 Cyg observations needed tonight for Chandra observations
Monday, August 7, 2017 - 18:05
Alert Notice 591: GW Lib observations requested in support of K2 and HST observations
Monday, August 7, 2017 - 17:02
Alert Notice 590: V1117 Her observations requested
Friday, August 4, 2017 - 17:40
Alert Notice 589: R Aqr coverage needed for HST and Chandra observations
Monday, July 31, 2017 - 13:24
Alert Notices and Observing Campaigns webpages consolidated
Friday, July 28, 2017 - 13:20
AAVSO Special Notice #430: AAVSO Special Notice is being discontinued
Friday, July 21, 2017 - 16:22
Alert Notice 588: Long-term CCD monitoring of ER UMa-type variable DDE 48 in Vulpecula
Monday, July 17, 2017 - 14:23
Solar Bulletin - Volume 73, Number 06
Monday, July 17, 2017 - 13:18
Alert Notice 587: Observations of FI Vir (Ross 128) needed this week
Friday, July 7, 2017 - 15:01
Alert Notice 586: Status of 20 cataclysmic variables needed for WHT campaign
Thursday, July 6, 2017 - 16:50
Charts and Sequences Team Update June 2017
Monday, July 3, 2017 - 13:32
AAVSO Newsletter 73, July 2017, is published
Friday, June 30, 2017 - 18:22
Alert Notice 585: Monitoring of Evryscope targets requested for follow-up
Monday, June 26, 2017 - 10:36
JAAVSO volume 45, number 1, June 2017, print version now available
Wednesday, June 21, 2017 - 14:57
Alert Notice 584: Monitoring of PDS 110 requested to cover upcoming eclipse by exoplanet
Friday, June 16, 2017 - 11:13
Alert Notice 583: Photometry requested for Red Dots campaign
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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
AAVSO Guide to Getting Started in Spectroscopy
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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