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News and Announcements
Tuesday, May 19, 2015 - 08:55
Introducing the SID Data Grabber
Friday, May 15, 2015 - 09:35
New JAAVSO preprint: Recent minima of 149 EB stars
Thursday, May 14, 2015 - 11:19
New JAAVSO preprint: Video Technique for Observing EB stars
Wednesday, May 13, 2015 - 14:34
New JAAVSO preprint: Sudden period change and dimming of V752 Cen
Tuesday, May 12, 2015 - 15:11
AAVSO Newsletter for April 2015 is published
Thursday, April 23, 2015 - 11:36
Annual Report for 2013-2014 is now online
Thursday, April 16, 2015 - 16:59
Special Notice #403: GW Lib HST schedule set
Thursday, April 16, 2015 - 15:33
Solar Bulletin - Volume 71, Number 3
Wednesday, April 15, 2015 - 14:37
Alert Notice 518: Observations of 2MASS J06593158-0405277 needed
Monday, April 13, 2015 - 11:21
Special Notice #402: RW Aur more intense monitoring needed now
Friday, April 3, 2015 - 10:34
Special Notice #401: AM Her NuSTAR observations April 5
Thursday, April 2, 2015 - 14:21
Alert Notice 517: Monitoring of AM Her urgently requested in support of XMM-Newton and NuSTAR observations
Thursday, April 2, 2015 - 10:43
Alert Notice 516: Nova Oph 2015 = PNV J17291350-1846120 [V2944 Oph]
Tuesday, March 31, 2015 - 17:06
Alert Notice 515: SN 2015F in NGC 2442 (PSN J07361576-6930230)
Friday, March 27, 2015 - 12:15
Charts and Sequences Update March 2015
Tuesday, March 24, 2015 - 14:49
Alert Notice 514: RW Aur monitoring requested
Wednesday, March 18, 2015 - 18:50
Alert Notice 513: Request for observations of GW Lib in support of HST observations
Monday, March 16, 2015 - 14:40
Alert Notice 512: Nova Sagittarii 2015 No. 2 = PNV J18365700-2855420 [V5668 Sgr]
Friday, March 13, 2015 - 17:14
Special Notice #400: BF Cyg observations requested
Friday, March 13, 2015 - 16:32
Alert Notice 511: Monitoring requested for developing planetary systems dust production study
Friday, March 13, 2015 - 15:23
104th Spring Meeting of the AAVSO
Friday, March 13, 2015 - 13:05
Solar Bulletin - Volume 71, Number 2
Thursday, March 12, 2015 - 16:06
Special Notice #399: GK Per in outburst
Tuesday, March 10, 2015 - 10:15
New JAAVSO preprint: New Variable Stars Discovered by the APACHE Survey. II.
Thursday, March 5, 2015 - 14:29
Alert Notice 510: Observations of the symbiotic nova ASAS J174600-2321.3
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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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