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Title
Posted By
Updated/commented date
Type
New eJAAVSO preprint: on Frank Elmore Ross
M.Saladyga
1 year 5 weeks
ago
Page
New eJAAVSO: The Ross Variable Stars Revisited. I. by W. Osborn, O. F. Mills
M.Saladyga
1 year 50 weeks
ago
Page
Special Notice #294: CH Cyg observing campaign continued through 2012
weo
22 weeks 6 days
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Special Notice #262: Long-term monitoring of AGN targets extended
weo
1 year 32 weeks
ago
Page
Fall Meeting: Presentation Files
RebeccaTurner
2 years 30 weeks
ago
Page
Special Notice #323: Observations of BB Dor requested
weo
22 weeks 19 hours
ago
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VStar Version 2.13 release
BSJ
1 year 10 weeks
ago
Page
AAVSO Alert Notice 433
weo
2 years 12 weeks
ago
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Alert Notice 483: AH Her Observing Campaign
weo
4 weeks 4 days
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New eJAAVSO preprint: Type 2 Cepheids in the Milky Way Galaxy and the Magellanic Clouds
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1 year 2 weeks
ago
Page
AAVSO Newsletter 49 now online
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1 year 47 weeks
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The AAVSO Newsletter - October 2012 - is published
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35 weeks 5 days
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Solar Bulletin - Volume 67, No. 11
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1 year 26 weeks
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Charts and Sequences Update December 2010
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2 years 27 weeks
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Special Notice #334: Outburst of the possible old nova GR Ori
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18 weeks 23 hours
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1 year 8 weeks
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AAVSO Alert Notice 438
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2 years 7 weeks
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Special Notice #359: OR And monitoring needed for HST/COS campaign
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6 days 4 hours
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Solar Bulletin - Volume 68, Number 5
BSJ
1 year 3 days
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Visual Observing Manual - Portuguese Version
BSJ
1 year 41 weeks
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AAVSO Alert Notice 422
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1 year 51 weeks
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Special Notice #306: Telluric standards for T Tau stars campaign spectroscopists
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31 weeks 5 days
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AAVSO Newsletter 47 now online
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Special Notice #340: HST/COS observations 2013 March 8 and March 9
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14 weeks 6 days
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arXiv Algol paper: Did the ancient egyptians record the period of the eclipsing binary Algol - the Raging one?
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New ejaavso preprint: "CI Cygni 2010 Outburst and Eclipse: An Amateur Spectroscopic Survey..."
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Alert Notice 464: Observers requested for Jovian Extinction Events (JEE2012)
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Three new eJAAVSO preprints
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AAVSO Special Notice #216
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2 years 42 weeks
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New Chinese Visual Observing Manual
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27 weeks 1 day
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Two New CHOICE Classes Announced: Light Curves and CCD Imaging
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1 year 15 weeks
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Database Errors Reported
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2 years 18 weeks
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The AAVSO Newsletter - April 2013 - is published
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1 year 5 weeks
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2 years 3 days
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Alert Notice 469: Observations of TT Ari requested in support of MOST observations
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42 weeks 2 days
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Alert Notice 450: Request for observations of SDSS J080434.20+510349.2 in support of HST observations
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1 year 33 weeks
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AAVSO Special Notice 221
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2 years 32 weeks
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1 year 11 weeks
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About Us
The Organization
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What We Do
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Work & Research
Volunteer
History
The AAVSO Archives
By-Laws
Contact Us
The People
Council Members, Officers & Section Leaders
Staff
Honors & Awards
In Memoriam
Outreach
Presentation Library
Writers Bureau
Speakers Bureau
The Location
AAVSO Headquarters
Directions
Guest Suite
Our Publications
Annual Report
The Journal of the AAVSO
Alert and Special Notices
AAVSO Newsletter
Visual Observing Manual
CCD Observing Manual
Solar Bulletin
plus many more...
Apply for Membership
Renew Membership
Support the AAVSO
Funds
Amazon.com
Benefactors
AAVSO Store
Citizen Sky Project
Community
Meetings
Forums
Live Chat Room
Staff Blog
Social Media
Variable Stars
What Are They & Why Observe Them?
The Stories Variables Tell
Types of Variables
Variable Star of the Season
Education Materials
CHOICE Online Institute
Science Olympiad
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
Observing Manuals
Visual Observing Manual
CCD Photometry Manual
DSLR Photometry Manual
Alert and Special Notices
Observing Campaigns
WebObs (Search AID or Submit Your Data)
Variable Star Charts
Variable Star Plotter (VSP)
Report Chart Errors
Request Comparison Stars
Observation Planner Tool
JD Calculator & Calendar
Software Directory
Data
AAVSO International Database (AID)
Portal for Researchers
Historic Light Curves
WebObs (Submit/Search Data)
Data Access
Download Data in Ascii Form
Light Curve Generator (LCG)
MyNewsFlash - Real-Time Data Delivery
WebObs Search (Searches AID)
Data Analysis
VPHOT - Online Photometry Tool
Zapper - Help Validate Data
VStar - Java Visualization & Analysis Tool
The AAVSO Photometric All-Sky Survey (APASS)
AAVSOnet
Getting Started
What Are Variable Stars?
Things to Do
Find a Mentor
Online Forum for Help and Advice
Star Tutorials
10-Star Tutorial (Visual Observations of Variable Stars)
5-Star Tutorial (Data Analysis)
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