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AAVSO Special Notice
Title
Posted By
Updated/commented date
Type
Aviso Especial de AAVSO #337 (actualizado): supernova brillante de tipo Ia en la galaxia NGC 5643 (Lupus)
Sebastian Otero
13 weeks 21 hours
ago
Page
Special Notice #289: Bright possible nova in Sagittarius = PNV J18202726-2744263
weo
44 weeks 3 days
ago
Page
Special Notice #352: Correction to target name in Special Notice #351
weo
1 week 4 days
ago
Page
AAVSO Special Notice #232
weo
2 years 14 weeks
ago
Page
Special Notice #306: Telluric standards for T Tau stars campaign spectroscopists
weo
27 weeks 3 days
ago
Page
AAVSO Special Notice #258: Request for monitoring of SS Cygni in support of European VLBI radio observations
weo
1 year 31 weeks
ago
Page
Special Notice #322: CU Vel is next HST COS target
weo
17 weeks 6 days
ago
Page
Special Notice #272: Possible Nova in Centaurus = PNV J13410800-5815470
weo
1 year 7 weeks
ago
Page
Special Notice #335: Revised Coordinates for GR Ori (Nova Ori 1916)
weo
13 weeks 5 days
ago
Page
Special Notice #286: Revised Timetable for June AE Aqr MAGIC Observations
weo
49 weeks 2 days
ago
Page
Special Notice #349: HST/COS Observations CANCELLED for SDSS J154453.60+255348.8
weo
2 weeks 5 days
ago
Page
AAVSO Special Notice #228
weo
2 years 17 weeks
ago
Page
Special Notice #303: VLBA and e-MERLIN observations of SS Cyg underway
weo
28 weeks 4 days
ago
Page
Special Notice #254: T Pyx Campaign continues
weo
1 year 36 weeks
ago
Page
Special Notice #319: HST COS observing SDSS J093249.57+472523.0 2013 January 11-12
weo
19 weeks 2 days
ago
Page
Special Notice #269: SUPERNOVA 2012aw IN M95 (NGC 3351) = PSN J10435372+1140177
weo
1 year 8 weeks
ago
Page
Special Notice #332: Observations of IR Com crucial now through February 8
weo
14 weeks 5 days
ago
Page
Special Notice #284 - NOVA OPHIUCHI 2012 No. 2 = PNV J17395600-2447420
weo
50 weeks 3 days
ago
Page
Special Notice #346: RZ Leo observations critical now for HST/COS and IU Leo next target
weo
5 weeks 6 days
ago
Page
AAVSO Special Notice #225
weo
2 years 24 weeks
ago
Page
Special Notice #299: Observations needed TODAY of SDSS J164248.52+134751.4
weo
31 weeks 4 days
ago
Page
Special Notice #249: FTP site for submitting AGN images requested in Alert Notice 443
weo
1 year 36 weeks
ago
Page
Special Notice #316: Monitoring of the dwarf nova U Geminorum in support of HST observations
Matthew Templeton
17 weeks 3 days
ago
Page
Special Notice #266: Possible Nova in Carina (TCP J10502000-6406480)
weo
1 year 11 weeks
ago
Page
Special Notice #329: Critical time for CV Campaign HST/COS target SDSS J100515.38+191107.9
weo
15 weeks 5 days
ago
Page
Special Notice #281: Revised timetable for AE Aqr MAGIC observations
weo
1 year 4 days
ago
Page
Special Notice #343: GK Per outburst appears to be underway
weo
8 weeks 6 days
ago
Page
Special Notice #296: Outburst of the BL Lac object 4C 11.69 == CTA 102
Matthew Templeton
14 weeks 6 days
ago
Page
AAVSO Special Notice #243: Pre-SN 2011dh images of M51 requested
weo
1 year 49 weeks
ago
Page
Special Notice #313: HST COS observing CW Mon tonight and V405 Peg is next target
weo
24 weeks 2 days
ago
Page
Special Notice #326: Next HST/COS target is SDSS J100515.38+191107.9
weo
16 weeks 3 days
ago
Page
Special Notice #278: Bright flaring of Blazar OJ 287
weo
1 year 3 weeks
ago
Page
Alert Notice #480: MR UMa superoutburst coverage requested for HST observations
weo
10 weeks 2 days
ago
Page
Special Notice #293: S Dor campaign continued through 2012-2013 season
weo
35 weeks 6 days
ago
Page
AAVSO Special Notice #238
weo
2 years 6 weeks
ago
Page
Special Notice #310: Continued observing of V452 Cas requested
weo
26 weeks 3 days
ago
Page
Special Notice #262: Long-term monitoring of AGN targets extended
weo
1 year 28 weeks
ago
Page
Special Notice #275: Possible Nova in Scutum = PNV J18562170-0852300
weo
1 year 5 weeks
ago
Page
Special Notice #338: HM Leo HST/COS observations tomorrow; V406 Vir is next target
weo
12 weeks 3 days
ago
Page
Special Notice #290: Blazar BL Lac bright
weo
42 weeks 5 days
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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