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News and Announcements
Monday, December 16, 2019 - 12:15
Solar Bulletin - Volume 75, Number 11
Sunday, December 15, 2019 - 09:02
JAAVSO Volume 47 Number 2, 2019 is published
Wednesday, December 4, 2019 - 14:08
Alert Notice 687: LPV Maser campaign extended through October 2020
Tuesday, November 26, 2019 - 08:09
LPV of the Month - December 2019 - Y Per
Tuesday, November 19, 2019 - 14:46
Alert Notice 686: B-band photometry of TYC 2597-735-1 urgently needed
Friday, November 8, 2019 - 11:59
AAVSO Alert Notice 685: EM Cyg monitoring requested
Wednesday, November 6, 2019 - 10:45
The American Association of Variable Star Observers Selected to Participate in Harvard Business School Association of Boston’s Community Action Partners Program
Friday, November 1, 2019 - 13:45
Alert Notice 684: Photometry requested for campaign on V1491 Cyg
Friday, November 1, 2019 - 11:33
Alert Notice 683: Nova in Scutum = V659 Sct (N Sct 2019 = ASASSN-19aad, TCP J18395972-102541)
Thursday, October 31, 2019 - 09:41
LPV of the Month - November 2019 - TX Psc
Wednesday, October 23, 2019 - 16:58
AAVSO Contributors Honored
Wednesday, October 23, 2019 - 13:07
Increase Astronomical Discoveries by Storing Your Spectroscopic Observations with AVSpec
Thursday, October 17, 2019 - 11:02
Solar Bulletin - Volume 75, Number 9
Wednesday, October 16, 2019 - 18:16
Alert Notice 682: Observing campaign on Polars
Monday, October 14, 2019 - 14:59
Data Milestone Achieved in AAVSO’s Variable Star Repository, VSX
Monday, October 7, 2019 - 09:44
LPV of the Month - October 2019 - V CrB
Thursday, September 26, 2019 - 16:05
Journal of the AAVSO May Be Innovative Experience with New Editor, Nancy Morrison
Friday, September 20, 2019 - 10:59
Solar Bulletin - Volume 75, Number 08
Wednesday, September 18, 2019 - 13:06
Alert Notice 680: Monitoring of J0139 (ZTF J013906.17+524536.89) requested - corrected
Wednesday, September 18, 2019 - 12:43
Alert Notice 681: Photometry of more symbiotic candidates requested
Monday, September 16, 2019 - 19:22
Alert Notice 679: Nova in Scorpius: N Sco 2019 No. 2 = PNV J17370958-3510211
Wednesday, September 11, 2019 - 10:08
Alert Notice 678: V694 Mon (MWC 560) photometry and spectroscopy requested
Wednesday, August 28, 2019 - 12:21
Alert Notice 677: Recurrent nova V3890 Sgr in outburst
Friday, August 16, 2019 - 12:01
Announcing Candidates for the 2019 Council Election
Wednesday, August 14, 2019 - 18:46
Alert Notice 676: Nova in Orion: N Ori 2019 = PNV J06095740+1212255
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About Us
The Organization
Vision/Mission
Services
What We Do
History and Archives
Volunteer
Funds
Contact Us
By-Laws
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 Newsletter
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 Variable Stars: A Guide for Beginners
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
Charge-Coupled Device (CCD) Camera Photometry Guide
Digital Single Lens Reflex (DSLR) Camera 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
For researchers: support and data access
AAVSO International Database (AID)
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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aavso@aavso.org
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