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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AT 2026noc

Last post by Francois Teyssier « Wed May 27, 2026 4:02 am
Replies: 1
by Paul Luckas » Mon May 25, 2026 4:36 pm

1 Replies

1392 Views

Last post by Francois Teyssier
Wed May 27, 2026 4:02 am
at2024aauu

Last post by E Soubrouillard « Thu Nov 14, 2024 7:43 am

by E Soubrouillard » Thu Nov 14, 2024 7:43 am

0 Replies

18122 Views

Last post by E Soubrouillard
Thu Nov 14, 2024 7:43 am
AT 2024zrq

Last post by E Soubrouillard « Sun Nov 03, 2024 12:12 pm

by E Soubrouillard » Sun Nov 03, 2024 12:12 pm

0 Replies

16959 Views

Last post by E Soubrouillard
Sun Nov 03, 2024 12:12 pm
WR140 (V1687 Cyg) periastron 2024 at low resolution

Last post by HughAllen « Sat Oct 26, 2024 2:22 pm
Replies: 5
by HughAllen » Sat Jul 13, 2024 9:34 pm

5 Replies

20834 Views

Last post by HughAllen
Sat Oct 26, 2024 2:22 pm
eclipsing binary 31cyg

Last post by admin « Thu Feb 15, 2024 4:07 pm

by admin » Thu Feb 15, 2024 4:07 pm

0 Replies

17381 Views

Last post by admin
Thu Feb 15, 2024 4:07 pm
V392 Per in outburst

Last post by Christophe Boussin « Thu Jun 09, 2022 11:16 am
Replies: 157
by Robin Leadbeater » Mon Apr 30, 2018 2:02 am
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157 Replies

502291 Views

Last post by Christophe Boussin
Thu Jun 09, 2022 11:16 am
Urgent! NSv 6690 imminent SMBHB merger confirmation needed

Last post by Simon de Visscher « Thu Mar 10, 2022 9:46 pm
Replies: 18
by Robin Leadbeater » Tue Feb 08, 2022 2:01 pm
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2
18 Replies

49202 Views

Last post by Simon de Visscher
Thu Mar 10, 2022 9:46 pm
whether to post non-SN classification report spectra to TNS

Last post by Robin Leadbeater « Thu Feb 24, 2022 11:35 am
Replies: 6
by Hamish Barker » Wed Feb 23, 2022 9:39 am

6 Replies

27832 Views

Last post by Robin Leadbeater
Thu Feb 24, 2022 11:35 am
ASASSN-21gk in sagittarius - spectra urgently required !

Last post by Robin Leadbeater « Wed May 05, 2021 10:07 pm
Replies: 2
by Robin Leadbeater » Sat May 01, 2021 10:21 am

2 Replies

24893 Views

Last post by Robin Leadbeater
Wed May 05, 2021 10:07 pm
V723 Mon red giant and small mass gap black hole

Last post by Hamish Barker « Wed Apr 21, 2021 9:09 pm

by Hamish Barker » Wed Apr 21, 2021 9:09 pm

0 Replies

21054 Views

Last post by Hamish Barker
Wed Apr 21, 2021 9:09 pm
Call for Et Car spectrum

Last post by Olivier GARDE « Wed Jan 13, 2021 3:39 pm

by Olivier GARDE » Wed Jan 13, 2021 3:39 pm

0 Replies

23273 Views

Last post by Olivier GARDE
Wed Jan 13, 2021 3:39 pm
Call for spectra odd variable asas-sn 20da

Last post by Tom Love « Wed Mar 18, 2020 8:11 am
Replies: 4
by Hamish Barker » Sun Mar 15, 2020 9:43 pm

4 Replies

33152 Views

Last post by Tom Love
Wed Mar 18, 2020 8:11 am
Hd74423 assymmetric star

Last post by Hamish Barker « Wed Mar 11, 2020 1:55 am

by Hamish Barker » Wed Mar 11, 2020 1:55 am

0 Replies

25041 Views

Last post by Hamish Barker
Wed Mar 11, 2020 1:55 am
Call for observation for a new variable star

Last post by JP Nougayrede « Fri Mar 06, 2020 8:58 pm
Replies: 10
by Olivier GARDE » Mon Mar 02, 2020 4:53 pm
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10 Replies

51680 Views

Last post by JP Nougayrede
Fri Mar 06, 2020 8:58 pm
Emission-line Star BD+35 111 brightens

Last post by Frederic Pastor « Sun Feb 23, 2020 8:59 am
Replies: 3
by Robin Leadbeater » Wed Feb 19, 2020 3:44 pm

3 Replies

30334 Views

Last post by Frederic Pastor
Sun Feb 23, 2020 8:59 am
Spectre à haute résolution de Rigel demandé

Last post by James Foster « Sat Feb 22, 2020 2:02 am
Replies: 13
by Pascal Le Du » Thu Jan 16, 2020 11:14 am
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13 Replies

57466 Views

Last post by James Foster
Sat Feb 22, 2020 2:02 am
Call for Betelgeuse spectra

Last post by Olivier GARDE « Mon Feb 10, 2020 9:53 am
Replies: 1
by Olivier GARDE » Mon Feb 03, 2020 7:31 pm

1 Replies

25600 Views

Last post by Olivier GARDE
Mon Feb 10, 2020 9:53 am
Call for observation of several stars

Last post by Olivier GARDE « Sun Jan 19, 2020 3:40 pm

by Olivier GARDE » Sun Jan 19, 2020 3:40 pm

0 Replies

23398 Views

Last post by Olivier GARDE
Sun Jan 19, 2020 3:40 pm
KIC 9832227: Red nova in 2022 ?

Last post by Joan Guarro Flo « Mon Jul 08, 2019 8:31 pm
Replies: 12
by Francois Teyssier » Tue Dec 19, 2017 7:15 am
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2
12 Replies

67454 Views

Last post by Joan Guarro Flo
Mon Jul 08, 2019 8:31 pm
ASAS-SN request AT2018oh

Last post by Hamish Barker « Tue Jul 02, 2019 9:15 pm
Replies: 6
by Robin Leadbeater » Sun Feb 04, 2018 8:11 pm

6 Replies

35011 Views

Last post by Hamish Barker
Tue Jul 02, 2019 9:15 pm
V1369 Cen

Last post by Terry Bohlsen « Sun Jun 30, 2019 10:48 am
Replies: 64
by Ken Harrison » Thu Dec 05, 2013 6:57 am
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64 Replies

271616 Views

Last post by Terry Bohlsen
Sun Jun 30, 2019 10:48 am
SN 2018cow

Last post by Robin Leadbeater « Fri Jan 11, 2019 10:21 pm
Replies: 3
by Peter Somogyi » Sun Jun 24, 2018 1:29 pm

3 Replies

32390 Views

Last post by Robin Leadbeater
Fri Jan 11, 2019 10:21 pm
Herbig Ae/Be campaign

Last post by James Foster « Sat Jan 05, 2019 12:39 am
Replies: 14
by Francisco Campos » Thu Nov 22, 2018 6:53 pm
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14 Replies

80774 Views

Last post by James Foster
Sat Jan 05, 2019 12:39 am
Observation request: T Tau early in January

Last post by James Foster « Tue Dec 18, 2018 10:32 am
Replies: 29
by Hans Moritz Guenther » Mon Dec 15, 2014 4:56 pm
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29 Replies

154033 Views

Last post by James Foster
Tue Dec 18, 2018 10:32 am
Z And outburst

Last post by James Foster « Thu Nov 01, 2018 8:53 pm
Replies: 16
by Francois Teyssier » Fri Feb 16, 2018 12:43 pm
1

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16 Replies

72122 Views

Last post by James Foster
Thu Nov 01, 2018 8:53 pm

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