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News and Announcements
Thursday, September 20, 2012 - 20:56
Alert Notice 471: Cataclysmic variables to be monitored for HST observations
Thursday, September 20, 2012 - 12:20
Special Notice #296: Outburst of the BL Lac object 4C 11.69 == CTA 102
Thursday, September 20, 2012 - 10:14
Alert Notice 470: Symbiotic variable V4018 Sgr in outburst
Tuesday, September 18, 2012 - 10:37
Special Notice #295: Bright outburst of the BL Lac object PKS 0716+71
Monday, September 17, 2012 - 10:16
Two new eJAAVSO preprints
Friday, September 14, 2012 - 15:50
Solar Bulletin - Volume 68, Number 8
Friday, September 14, 2012 - 12:57
New eJAAVSO: Is MP Geminorum an Eclipsing Binary With a Very Long Period?
Thursday, September 13, 2012 - 11:47
New eJAAVSO: GSC 4552-1643: A W UMa System With Complete Eclipses
Tuesday, September 11, 2012 - 16:55
Announcing the 2012 AAVSO Council Nominees
Tuesday, September 11, 2012 - 16:37
Special Notice #294: CH Cyg observing campaign continued through 2012
Monday, September 10, 2012 - 12:04
Special Notice #293: S Dor campaign continued through 2012-2013 season
Saturday, August 25, 2012 - 21:00
Alert Notice 469: Observations of TT Ari requested in support of MOST observations
Tuesday, August 21, 2012 - 23:05
Alert Notice 468: Observing campaign on V380 Oph cancelled
Tuesday, August 21, 2012 - 15:45
JAAVSO 100th Anniversary Issue is Published!
Friday, August 17, 2012 - 22:20
Alert Notice 467: Nova Monocerotis 2012 = PNV J06393874+0553520 [V959 Mon]
Tuesday, August 14, 2012 - 12:49
Solar Bulletin - Volume 68, Number 7
Monday, August 13, 2012 - 00:36
Alert Notice 466: Monitoring of V380 Oph requested in support of HST observations
Monday, August 6, 2012 - 09:53
Charts and Sequences Update August 2012
Sunday, August 5, 2012 - 23:15
Special Notice #292: Possible nova in Carina = PNV J09410000-5759540
Friday, August 3, 2012 - 16:13
CHOICE Courses: Open for Registration!
Wednesday, July 25, 2012 - 18:01
Special Notice #291: Brightening of LBV HDE 269006 = R71
Tuesday, July 24, 2012 - 23:18
Special Notice #290: Blazar BL Lac bright
Friday, July 20, 2012 - 15:29
Alert Notice 465: Nova Sagittarii 2012 No. 5 = PSN J18193700-1907400 [V5593 Sgr]
Friday, July 13, 2012 - 14:06
AAVSO Newsletter 53 is now online
Thursday, July 12, 2012 - 13:33
Solar Bulletin - Volume 68, Number 6
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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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