The American Association of Variable Star Observers (AAVSO)

FEATURED IMAGE: 23 May 2013, 14:00 UTC | Photo Release: Most detailed observations ever of the Ring Nebula 25 May 2013, 4:50:22UTC

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Home » News & Blogs » Blogs Directory » The American Association of Variable Star Observers (AAVSO)

The American Association of Variable Star Observers (AAVSO)

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Added on 21 Aug 2009, 15:09 UTC, last updated on 23 May 2013, 20:10 UTC

Latest Posts

15 Feb 2013, 19:22 UTC Professional Astronomers: Invitation to Participate in an AAVSO Survey
15 Feb 2013, 18:15 UTC Special Notice #337: Bright transient near the galaxy NGC 5643 (Lupus)
13 Feb 2013, 02:24 UTC Special Notice #336: Next three HST/COS CV campaign targets
12 Feb 2013, 21:32 UTC Special Notice #335: Revised Coordinates for GR Ori (Nova Ori 1916)
11 Feb 2013, 14:25 UTC Special Notice #334: Outburst of the possible old nova GR Ori
6 Feb 2013, 17:25 UTC Special Notice #333: Eclipse underway in b Per and photometry needed urgently
6 Feb 2013, 01:37 UTC Special Notice #332: Observations of IR Com crucial now through February 8
5 Feb 2013, 06:24 UTC Star names containing the Greek letters µ and ν, and the case of “u” versus “U”
3 Feb 2013, 04:44 UTC Special Notice #331: Nova Cephei 2013 = PNV J23080471+6046521
2 Feb 2013, 05:50 UTC Special Notice #330: Next HST/COS targets are IR Com and BB Dor
29 Jan 2013, 19:32 UTC Special Notice #329: Critical time for CV Campaign HST/COS target SDSS J100515.38+191107.9
29 Jan 2013, 19:14 UTC Special Notice #328: HST/COS observing U Gem 2013 January 30
24 Jan 2013, 22:49 UTC Special Notice #327: HST/COS observations scheduled for U Gem
24 Jan 2013, 22:08 UTC Special Notice #326: Next HST/COS target is SDSS J100515.38+191107.9
23 Jan 2013, 04:02 UTC 2013 Eclipsing Binary Ephemeris online
21 Jan 2013, 21:50 UTC Special Notice #325: BB Dor monitoring requested for Swift and HST observations
21 Jan 2013, 19:22 UTC Special Notice #324: LT Eri (SDSS J040714.78-064425.1) is next HST COS target
17 Jan 2013, 20:56 UTC The AAVSO Newsletter - January 2013 - is published
16 Jan 2013, 16:31 UTC Alert Notice 478: Transformed photometry of young stars in Cha requested
15 Jan 2013, 19:17 UTC Solar Bulletin - Volume 68, Number 12
15 Jan 2013, 03:39 UTC Special Notice #323: Observations of BB Dor requested
14 Jan 2013, 19:54 UTC Special Notice #322: CU Vel is next HST COS target
10 Jan 2013, 21:55 UTC Special Notice #321: Observations critical tonight for SDSS J093249.57+472523.0
9 Jan 2013, 22:36 UTC Alert Notice 477: Supernova 2013E in IC 2532 = PSN J10000552-3414013
9 Jan 2013, 21:01 UTC Special Notice #320: CH Cygni monitoring campaign continues
4 Jan 2013, 18:30 UTC Alert Notice 476: Multicolor photometry of triple system b Per requested
4 Jan 2013, 17:58 UTC Special Notice #319: HST COS observing SDSS J093249.57+472523.0 2013 January 11-12
3 Jan 2013, 16:56 UTC Paper copies of JAAVSO 40.2 epsilon Aurigae edition are now available
23 Dec 2012, 21:56 UTC AAVSO Special Notice #318: SN 2012hr, a Type Ia supernova prior to maximum
22 Dec 2012, 12:31 UTC Alert Notice 475: Monitoring of the dwarf nova U Geminorum in support of HST observations
21 Dec 2012, 19:48 UTC JAAVSO special epsilon Aurigae issue is published!
20 Dec 2012, 17:33 UTC Special Notice #317: HST COS observing HS 0218+3229 2012 December 22 and SDSS J093249.57+47...
20 Dec 2012, 14:35 UTC Charts and Sequences Update December 2012
19 Dec 2012, 21:47 UTC 102nd Spring Meeting of the AAVSO
18 Dec 2012, 17:25 UTC Solar Bulletin - Volume 68, Number 11
17 Dec 2012, 15:36 UTC Special Notice #316: Monitoring of the dwarf nova U Geminorum in support of HST observations
13 Dec 2012, 21:56 UTC Alert Notice 474: Multiwavelength campaign on delta Ori (Mintaka)
11 Dec 2012, 17:23 UTC Special Notice #315: HST COS observing SDSS J075507.70+143547.6 December 13-14 and HS0218+32...
10 Dec 2012, 21:58 UTC Citizen Sky Workshop to Produce a DSLR Photometry Manual
7 Dec 2012, 19:21 UTC New Chinese Visual Observing Manual
5 Dec 2012, 18:58 UTC Special Notice #314: HST COS scheduled to observe V405 Peg December 7
3 Dec 2012, 21:20 UTC 2013 JD Calendar
3 Dec 2012, 14:44 UTC New eJAAVSO preprint: Variable Stars South EB Database
30 Nov 2012, 17:32 UTC Special Notice #313: HST COS observing CW Mon tonight and V405 Peg is next target
27 Nov 2012, 21:05 UTC Special Notice #312: SUPERNOVA 2012gx in MCG -02-2-72 = PSN J00380175-1351395
24 Nov 2012, 22:24 UTC Solar Bulletin - Volume 68, Number 10
20 Nov 2012, 20:17 UTC Special Notice #311: HST COS to observe CW Mon 2012 November 30 - December 1
19 Nov 2012, 14:10 UTC Eye candy from Bright Star Monitor South
15 Nov 2012, 17:51 UTC Special Notice #310: Continued observing of V452 Cas requested
13 Nov 2012, 18:27 UTC Special Notice #309: Next Set of HST COS targets announced

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