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AAVSO Special Notice
Title
Posted By
Updated/commented date
Type
Special Notice #302: HST COS observations of 1RXS J023238.8-371812 scheduled
weo
29 weeks 6 days
ago
Page
Special Notice #252: Upcoming Eclipse of Zeta Aurigae
weo
1 year 26 weeks
ago
Page
Special Notice #318: SN 2012hr, a Type Ia supernova prior to maximum
Matthew Templeton
19 weeks 4 days
ago
Page
Special Notice #268: Chandra observations scheduled for CH Cyg and monitoring urgently needed
weo
1 year 6 weeks
ago
Page
Special Notice #331: Nova Cephei 2013 = PNV J23080471+6046521
weo
15 weeks 2 days
ago
Page
Special Notice #283: Supernova 2012cg IN NGC 4424 = PSN J12271283+0925132
weo
51 weeks 6 days
ago
Page
Special Notice #345: MR UMa observations needed now and RZ Leo next HST/COS target
weo
6 weeks 1 day
ago
Page
AAVSO Special Notice #224
weo
2 years 25 weeks
ago
Page
Special Notice #298: Second set of HST COS CV targets announced
weo
32 weeks 4 days
ago
Page
Special Notice #248: Radio outburst in V1343 Aquilae
Matthew Templeton
1 year 40 weeks
ago
Page
Special Notice #315: HST COS observing SDSS J075507.70+143547.6 December 13-14 and HS 0218+3229 is next target
weo
22 weeks 3 days
ago
Page
Special Notice #265: Bright Symbiotics in Sgr, Cyg, and Oph
Matthew Templeton
1 year 11 weeks
ago
Page
Special Notice #328: HST/COS observing U Gem 2013 January 30
weo
16 weeks 10 hours
ago
Page
Special Notice #280: HST UV spectroscopy observations of S Dor scheduled
weo
1 year 1 week
ago
Page
Special Notice #342: PU CMa, then IY UMa and MR UMa next HST/COS targets
weo
9 weeks 1 day
ago
Page
Special Notice #295: Bright outburst of the BL Lac object PKS 0716+71
weo
35 weeks 15 hours
ago
Page
AAVSO Special Notice #242
weo
1 year 50 weeks
ago
Page
Special Notice #312: Supernova 2012gx in MCG -02-2-72 = PSN J00380175-1351395
weo
25 weeks 8 hours
ago
Page
Special Notice #325: BB Dor monitoring requested for Swift and HST observations
weo
17 weeks 1 day
ago
Page
Special Notice #277: Possible Nova in Sagittarius (PNV J17452791-2305213)
weo
1 year 4 weeks
ago
Page
Special Notice #340: HST/COS observations 2013 March 8 and March 9
weo
10 weeks 6 days
ago
Page
Special Notice #292: Possible nova in Carina = PNV J09410000-5759540
weo
41 weeks 2 days
ago
Page
AAVSO Special Notice #237
weo
2 years 7 weeks
ago
Page
Special Notice #309: Next Set of HST COS targets announced
weo
26 weeks 9 hours
ago
Page
Special Notice #261: Outburst of the UGWZ Candidate BW Scl
Matthew Templeton
1 year 30 weeks
ago
Page
Special Notice #322: CU Vel is next HST COS target
weo
18 weeks 1 day
ago
Page
Aviso Especial de AAVSO #274: Objeto variable en Centaurus = TCP J14250600-5845360
Sebastian Otero
1 year 6 weeks
ago
Page
Aviso Especial de AAVSO #337 (actualizado): supernova brillante de tipo Ia en la galaxia NGC 5643 (Lupus)
Sebastian Otero
13 weeks 2 days
ago
Page
Special Notice #289: Bright possible nova in Sagittarius = PNV J18202726-2744263
weo
44 weeks 5 days
ago
Page
Special Notice #352: Correction to target name in Special Notice #351
weo
1 week 6 days
ago
Page
AAVSO Special Notice #232
weo
2 years 15 weeks
ago
Page
Special Notice #306: Telluric standards for T Tau stars campaign spectroscopists
weo
27 weeks 5 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 #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
14 weeks 8 hours
ago
Page
Special Notice #286: Revised Timetable for June AE Aqr MAGIC Observations
weo
49 weeks 4 days
ago
Page
Special Notice #349: HST/COS Observations CANCELLED for SDSS J154453.60+255348.8
weo
3 weeks 8 hours
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 6 days
ago
Page
Special Notice #254: T Pyx Campaign continues
weo
1 year 36 weeks
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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