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AAVSO Special Notice
Title
Posted By
Updated/commented date
Type
Special Notice #278: Bright flaring of Blazar OJ 287
weo
1 year 4 weeks
ago
Page
Alert Notice #480: MR UMa superoutburst coverage requested for HST observations
weo
11 weeks 14 hours
ago
Page
Special Notice #293: S Dor campaign continued through 2012-2013 season
weo
36 weeks 4 days
ago
Page
AAVSO Special Notice #238
weo
2 years 7 weeks
ago
Page
Special Notice #310: Continued observing of V452 Cas requested
weo
27 weeks 1 day
ago
Page
AAVSO Special Notice #259: Possible bright transient in the region of M31
weo
1 year 31 weeks
ago
Page
Special Notice #323: Observations of BB Dor requested
weo
18 weeks 4 days
ago
Page
Special Notice #275: Possible Nova in Scutum = PNV J18562170-0852300
weo
1 year 6 weeks
ago
Page
Special Notice #338: HM Leo HST/COS observations tomorrow; V406 Vir is next target
weo
13 weeks 1 day
ago
Page
Special Notice #290: Blazar BL Lac bright
weo
43 weeks 3 days
ago
Page
Special Notice #353: SDSS J153817.35+512338.0 obs crucial now and DT Oct is next
weo
1 week 4 days
ago
Page
AAVSO Special Notice #234
Matthew Templeton
2 years 14 weeks
ago
Page
Special Notice #307: Observations crucial tonight for SDSS J001153.08-064739.1
weo
28 weeks 1 day
ago
Page
Special Notice #320: CH Cygni monitoring campaign continues
weo
19 weeks 2 days
ago
Page
Special Notice #273: Possible Nova in Ophiuchus = PNV J17260708-2551454
weo
1 year 8 weeks
ago
Page
Special Notice #336: Next three HST/COS CV campaign targets
weo
14 weeks 3 days
ago
Page
Special Notice #287: Request to observe X-ray transient Swift J1910.2-0546
weo
47 weeks 1 day
ago
Page
Special Notice #350: 1RXS J105010.3-140431 and SDSS J153817.35+512338.0 next HST/COS targets
weo
3 weeks 3 days
ago
Page
AAVSO Special Notice #230
weo
2 years 16 weeks
ago
Page
Special Notice #304: HST COS observations of SDSS J001153.08-064739.1 scheduled
weo
29 weeks 2 days
ago
Page
Special Notice 255: Cataclysmic Variable in Draco = PNV J18422792+4837425
weo
1 year 36 weeks
ago
Page
Special Notice #317: HST COS observing HS 0218+3229 2012 December 22 and SDSS J093249.57+472523.0 is probable next target
weo
22 weeks 1 day
ago
Page
Special Notice #270: Possible Recurrent Nova in the LMC = TCP J04550000-7027150
weo
1 year 8 weeks
ago
Page
Special Notice #333: Eclipse underway in b Per and photometry needed urgently
weo
15 weeks 2 days
ago
Page
Special Notice #285: Outburst of old nova X Ser
weo
51 weeks 1 day
ago
Page
Special Notice #347: Correction to AAVSO Special Notice #346
weo
6 weeks 3 days
ago
Page
AAVSO Special Notice #226
weo
2 years 24 weeks
ago
Page
Special Notice #300: Possible bright transient in the Hyades field
Matthew Templeton
30 weeks 2 days
ago
Page
Special Notice #251: Possible transient in Scorpius
weo
1 year 37 weeks
ago
Page
Special Notice #267: HST observations of CH Cyg scheduled and monitoring urgently needed
weo
1 year 10 weeks
ago
Page
Special Notice #330: Next HST/COS targets are IR Com and BB Dor
weo
16 weeks 5 hours
ago
Page
Special Notice #282: Apparent fading of V854 Cen
weo
1 year 3 days
ago
Page
Special Notice #344: IY UMa and MR UMa next HST/COS targets
weo
8 weeks 4 days
ago
Page
Special Notice #297: HST COS observations of SDSS J164248.52+134751.4 scheduled
weo
33 weeks 6 hours
ago
Page
Special Notice #247: Possible Nova in Lupus
Matthew Templeton
1 year 41 weeks
ago
Page
Special Notice #314: HST COS scheduled to observe V405 Peg December 7
weo
24 weeks 2 days
ago
Page
Special Notice #264: SUPERNOVA 2012A IN NGC 3239 = PSN J10250739+1709146
weo
1 year 17 weeks
ago
Page
Special Notice #327: HST/COS observations scheduled for U Gem
weo
17 weeks 1 day
ago
Page
Special Notice #279: Request for monitoring of SS Cygni in support of European VLBI radio observations
weo
27 weeks 1 day
ago
Page
Special Notice #341: V485 Cen observations crucial tonight through Sunday night
weo
10 weeks 1 day
ago
Page
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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 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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