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News and Announcements
Wednesday, March 28, 2012 - 00:30
Special Notice #272: Possible Nova in Centaurus = PNV J13410800-5815470 [V1368 Cen]
Tuesday, March 27, 2012 - 20:19
Special Notice #271: Correction to AAVSO Special Notice #270
Tuesday, March 27, 2012 - 19:53
Special Notice #270: Possible Recurrent Nova in the LMC = TCP J04550000-7027150 [Nova LMC 2012]
Saturday, March 24, 2012 - 12:20
Special Notice #269: Supernova 2012aw IN M95 (NGC 3351) = PSN J10435372+1140177
Friday, March 23, 2012 - 12:01
Special Notice #268: Chandra observations scheduled for CH Cyg and monitoring urgently needed
Friday, March 16, 2012 - 10:36
Alert Notice 455: V834 CAR = Nova Car 2012 = TCP J10502000-6406480
Friday, March 16, 2012 - 07:34
Solar Bulletin - Volume 68, Number 2
Thursday, March 15, 2012 - 20:27
Special Notice #267: HST observations of CH Cyg scheduled and monitoring urgently needed
Wednesday, March 14, 2012 - 13:40
New eJAAVSO preprint: Effect of Online Sunspot Data on Visual Solar Observers by K. Larsen
Saturday, March 10, 2012 - 11:11
Dr. John Percy Wins CASCA's inaugural Qilak Award
Friday, March 9, 2012 - 06:23
Charts and Sequences Update March 2012
Tuesday, March 6, 2012 - 12:02
New eJAAVSO preprint: "Recent Minima of 150 EB Stars" by G. Samolyk
Saturday, March 3, 2012 - 11:49
Special Notice #266: Possible Nova in Carina (TCP J10502000-6406480) [V834 Car]
Friday, March 2, 2012 - 21:12
Alert Notice 454: Monitoring of CH Cyg requested for Chandra and HST observations
Thursday, March 1, 2012 - 11:47
Two New CHOICE Classes Announced: Light Curves and CCD Imaging
Thursday, March 1, 2012 - 07:53
Special Notice #265: Bright Symbiotics in Sgr, Cyg, and Oph
Wednesday, February 29, 2012 - 10:53
AAVSO Bulletin 75 for 2012
Monday, February 27, 2012 - 13:08
Blog Post about Foster Brunton Updated
Thursday, February 23, 2012 - 12:15
Visual Observing Manual in Persian
Thursday, February 23, 2012 - 10:59
Alert Notice 453: Monitoring of S Dor requested for multiwavelength campaign
Tuesday, February 21, 2012 - 10:48
2013 Spring Meeting Site Proposals Wanted - Due March 1st!
Friday, February 17, 2012 - 10:59
A BVRcIc Survey of W Ursae Majoris Systems
Monday, February 13, 2012 - 13:36
Solar Bulletin - Volume 68, Number 1
Wednesday, February 8, 2012 - 13:48
AAVSO CCD School
Wednesday, February 8, 2012 - 12:01
Alert Notice 452: Simultaneous observations of SU Aur and AB Aur requested for XMM-Newton
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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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