Outbursts, Alerts, Monitoring

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Novae
Alerts and Monitoring of Novae
Topics: 57

57 Topics

936 Posts

Last post Re: Nova Sgr 2025d
by Francois Teyssier View the latest post
Wed Sep 24, 2025 6:16 pm
Symbiotic Stars
Topics: 44

44 Topics

543 Posts

Last post Symbiotic BF Cygni in deep ec…
by Francois Teyssier View the latest post
Sat Jul 25, 2026 5:33 pm
Supernovae
Topics: 47

47 Topics

403 Posts

Last post Re: SN sn2025rbs dans NGC7331
by Robin Leadbeater View the latest post
Sat Aug 09, 2025 12:05 pm
Cataclysmic Stars
Topics: 19

19 Topics

188 Posts

Last post Re: GK Per Outburst
by Jacques Michelet View the latest post
Wed Mar 08, 2023 4:45 pm
Be Stars
Topics: 17

17 Topics

54 Posts

Last post Be Stars survey from the south
by 2SPOT View the latest post
Sun Jun 01, 2025 11:06 am
Comets
Topics: 53

53 Topics

316 Posts

Last post Re: Comete C/2023 A3 Tsuchins…
by Joan Guarro Flo View the latest post
Mon Oct 21, 2024 8:33 am
Miscellanous
Topics: 16

16 Topics

86 Posts

Last post Call for spectroscopic monito…
by Robin Leadbeater View the latest post
Sat Jul 26, 2025 12:57 pm

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200 topics

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TCP J18292290-1430460 = Nova Sct 2018

Last post by James Foster « Mon Oct 29, 2018 10:48 pm
Replies: 43
by Paolo Berardi » Sat Jun 30, 2018 10:57 am
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169798 Views

Last post by James Foster
Mon Oct 29, 2018 10:48 pm
V442 And Be star in outburst

Last post by Benjamin Mauclaire « Wed Oct 17, 2018 10:25 pm
Replies: 33
by Olivier Thizy » Wed Aug 23, 2017 6:32 pm
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33 Replies

84825 Views

Last post by Benjamin Mauclaire
Wed Oct 17, 2018 10:25 pm
Symbiotic Nova V1413 Aql high state

Last post by Francois Teyssier « Thu Jul 26, 2018 4:51 pm
Replies: 4
by Francois Teyssier » Wed Jul 11, 2018 5:57 am

4 Replies

34777 Views

Last post by Francois Teyssier
Thu Jul 26, 2018 4:51 pm
TCP J18010186-2951258

Last post by Francois Teyssier « Thu Jul 26, 2018 4:48 pm
Replies: 6
by Olivier GARDE » Sat Jul 14, 2018 9:16 am

6 Replies

19910 Views

Last post by Francois Teyssier
Thu Jul 26, 2018 4:48 pm
Call for monitoring of AG Dra by R. Galis & al.

Last post by Francois Teyssier « Fri Jul 20, 2018 10:50 am
Replies: 120
by Francois Teyssier » Wed Mar 29, 2017 9:19 am
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120 Replies

175059 Views

Last post by Francois Teyssier
Fri Jul 20, 2018 10:50 am
New black hole binary in outburst (Mag 12.5 in Oph)

Last post by Nico Montigiani « Wed Jul 11, 2018 7:12 am
Replies: 10
by Francois Teyssier » Sat Mar 17, 2018 7:16 am
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10 Replies

25076 Views

Last post by Nico Montigiani
Wed Jul 11, 2018 7:12 am
Nova or Flare star near Alp Cen

Last post by Ken Harrison « Sat Jun 30, 2018 1:51 am
Replies: 2
by Ken Harrison » Sun Apr 08, 2018 6:46 am

2 Replies

10540 Views

Last post by Ken Harrison
Sat Jun 30, 2018 1:51 am
Outburst of V718 Sco Be star

Last post by Olivier GARDE « Fri Jun 22, 2018 11:39 am

by Olivier GARDE » Fri Jun 22, 2018 11:39 am

0 Replies

6954 Views

Last post by Olivier GARDE
Fri Jun 22, 2018 11:39 am
Probable SN in NGC 6946

Last post by James Foster « Thu May 24, 2018 10:33 pm
Replies: 144
by James Foster » Sun May 14, 2017 2:06 pm
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144 Replies

213942 Views

Last post by James Foster
Thu May 24, 2018 10:33 pm
at2018blk/ATLAS18olb

Last post by Robin Leadbeater « Thu May 17, 2018 9:14 pm
Replies: 3
by Robin Leadbeater » Tue May 15, 2018 10:17 am

3 Replies

9656 Views

Last post by Robin Leadbeater
Thu May 17, 2018 9:14 pm
Nova in Canis Major - N CMa 2018 = TCP J07134590-2112330

Last post by James Foster « Wed May 09, 2018 10:19 pm
Replies: 21
by Forrest Sims » Tue Mar 27, 2018 8:16 am
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21 Replies

32057 Views

Last post by James Foster
Wed May 09, 2018 10:19 pm
New transcient, perhaps a nova

Last post by Francois Teyssier « Tue Apr 24, 2018 4:42 pm
Replies: 183
by Francois Teyssier » Fri Jun 23, 2017 5:20 pm
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183 Replies

2832007 Views

Last post by Francois Teyssier
Tue Apr 24, 2018 4:42 pm
SN 2018zd

Last post by Forrest Sims « Wed Apr 18, 2018 9:01 pm
Replies: 19
by Peter Somogyi » Fri Mar 09, 2018 10:12 am
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19 Replies

31014 Views

Last post by Forrest Sims
Wed Apr 18, 2018 9:01 pm
TCP J21290156+3631056: new transient (11.5 mag) in Cygnus

Last post by Peter Somogyi « Sun Mar 25, 2018 2:27 pm
Replies: 4
by Peter Somogyi » Sat Mar 24, 2018 12:43 pm

4 Replies

9949 Views

Last post by Peter Somogyi
Sun Mar 25, 2018 2:27 pm
PNV J17140261-2849237 Oph

Last post by umberto sollecchia « Wed Mar 14, 2018 7:05 pm

by umberto sollecchia » Wed Mar 14, 2018 7:05 pm

0 Replies

5200 Views

Last post by umberto sollecchia
Wed Mar 14, 2018 7:05 pm
SU Lyn Call for observations by Katarzyna Drozd

Last post by Olivier GARDE « Wed Mar 14, 2018 5:03 pm
Replies: 54
by Francois Teyssier » Tue Mar 28, 2017 4:25 pm
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54 Replies

81162 Views

Last post by Olivier GARDE
Wed Mar 14, 2018 5:03 pm
Symbiotic Star StHa 32

Last post by Francisco Campos « Wed Mar 07, 2018 7:59 pm
Replies: 3
by Francois Teyssier » Thu Mar 01, 2018 12:08 pm

3 Replies

7144 Views

Last post by Francisco Campos
Wed Mar 07, 2018 7:59 pm
mag 15 possible SN in NGC3147 - spectrum required

Last post by Robin Leadbeater « Fri Feb 16, 2018 5:43 pm
Replies: 7
by Robin Leadbeater » Sun Feb 11, 2018 12:21 pm

7 Replies

9978 Views

Last post by Robin Leadbeater
Fri Feb 16, 2018 5:43 pm
Campaign of b Persei...

Last post by James Foster « Thu Feb 15, 2018 10:47 am
Replies: 6
by Francisco Campos » Fri Jan 26, 2018 7:54 pm

6 Replies

13670 Views

Last post by James Foster
Thu Feb 15, 2018 10:47 am
Mira in near UV---Outburst?

Last post by Ernst Pollmann « Sat Feb 10, 2018 7:47 am
Replies: 10
by James Foster » Fri Jan 26, 2018 3:42 am
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10 Replies

15208 Views

Last post by Ernst Pollmann
Sat Feb 10, 2018 7:47 am
bright supernova alert NGC6217 - spectrum needed

Last post by etienne bertrand « Fri Feb 09, 2018 11:29 am
Replies: 8
by Robin Leadbeater » Sun Jan 14, 2018 12:08 pm

8 Replies

15825 Views

Last post by etienne bertrand
Fri Feb 09, 2018 11:29 am
Bright Nova (mag 7) in southern hemisphere

Last post by Ken Harrison « Thu Jan 18, 2018 3:27 pm
Replies: 6
by Francois Teyssier » Sun Jan 14, 2018 5:54 pm

6 Replies

8874 Views

Last post by Ken Harrison
Thu Jan 18, 2018 3:27 pm
TCP J05074264+2447555

Last post by Paolo Berardi « Mon Jan 15, 2018 7:16 pm
Replies: 12
by Paolo Berardi » Thu Nov 02, 2017 3:47 pm
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12 Replies

16436 Views

Last post by Paolo Berardi
Mon Jan 15, 2018 7:16 pm
V1413 Aql: Bright state?

Last post by Francois Teyssier « Fri Dec 22, 2017 3:24 pm

by Francois Teyssier » Fri Dec 22, 2017 3:24 pm

0 Replies

3509 Views

Last post by Francois Teyssier
Fri Dec 22, 2017 3:24 pm
R Aqr spectra requested by Margarita Korovska

Last post by Francois Teyssier « Fri Dec 15, 2017 5:46 pm
Replies: 40
by Francois Teyssier » Sat Aug 05, 2017 9:16 pm
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40 Replies

62154 Views

Last post by Francois Teyssier
Fri Dec 15, 2017 5:46 pm

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