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First light

Last post by Tom Love « Mon Jul 21, 2025 9:13 am
Replies: 3
by Tom Love » Mon Jul 14, 2025 11:58 am

3 Replies

30884 Views

Last post by Tom Love
Mon Jul 21, 2025 9:13 am
NEW NOU_T ECHELLE RESULTS

Last post by Joan Guarro Flo « Sun Dec 29, 2024 4:03 pm
Replies: 149
by Joan Guarro Flo » Tue Jul 30, 2019 6:08 pm
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11

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149 Replies

449902 Views

Last post by Joan Guarro Flo
Sun Dec 29, 2024 4:03 pm
Comet C/2023 A3 (Tsuchinshan-Atlas)

Last post by David Boyd « Sun Oct 27, 2024 2:28 pm
Replies: 3
by Hugo » Fri Oct 18, 2024 8:30 pm

3 Replies

10166 Views

Last post by David Boyd
Sun Oct 27, 2024 2:28 pm
Quasar APM 08279+5255 (z 3.9)

Last post by JP Nougayrede « Sun Apr 21, 2024 4:15 pm
Replies: 1
by JP Nougayrede » Sun Apr 21, 2024 3:58 pm

1 Replies

7499 Views

Last post by JP Nougayrede
Sun Apr 21, 2024 4:15 pm
SY Mus activity

Last post by 2SPOT « Wed Jan 31, 2024 4:29 pm

by 2SPOT » Wed Jan 31, 2024 4:29 pm

0 Replies

12059 Views

Last post by 2SPOT
Wed Jan 31, 2024 4:29 pm
How to measure intensity of emission lines in low resolutio?

Last post by Sam Anderegg « Sun Jun 25, 2023 12:11 pm
Replies: 2
by Sam Anderegg » Thu Jun 22, 2023 7:44 pm

2 Replies

10830 Views

Last post by Sam Anderegg
Sun Jun 25, 2023 12:11 pm
M 87

Last post by Robin Leadbeater « Sun Jun 18, 2023 2:30 pm
Replies: 3
by Vincent Marik » Wed Jun 14, 2023 1:24 pm

3 Replies

11023 Views

Last post by Robin Leadbeater
Sun Jun 18, 2023 2:30 pm
PG 1634+706

Last post by JP Nougayrede « Sat Jun 10, 2023 8:36 am
Replies: 3
by etienne bertrand » Wed Jun 22, 2016 12:22 pm

3 Replies

15077 Views

Last post by JP Nougayrede
Sat Jun 10, 2023 8:36 am
New eshel setup in Chile

Last post by Bernard Heathcote « Tue May 16, 2023 2:50 am
Replies: 15
by 2SPOT » Wed Mar 08, 2023 3:30 pm
1

2
15 Replies

31952 Views

Last post by Bernard Heathcote
Tue May 16, 2023 2:50 am
Courbe de rotation de NGC4079

Last post by JP Nougayrede « Sun May 07, 2023 4:52 pm

by JP Nougayrede » Sun May 07, 2023 4:52 pm

0 Replies

9672 Views

Last post by JP Nougayrede
Sun May 07, 2023 4:52 pm
STAROS spectral data base

Last post by Joan Guarro Flo « Tue Apr 18, 2023 2:17 pm
Replies: 2
by Christian Buil » Mon Apr 17, 2023 12:22 pm

2 Replies

13444 Views

Last post by Joan Guarro Flo
Tue Apr 18, 2023 2:17 pm
Spectra data of PN acquired with Alpy as reference

Last post by Sam Anderegg « Thu Mar 30, 2023 7:20 pm
Replies: 5
by Sam Anderegg » Sun Mar 26, 2023 12:59 pm

5 Replies

16925 Views

Last post by Sam Anderegg
Thu Mar 30, 2023 7:20 pm
New outburst of V442 And

Last post by Vincent Lecocq « Sun Nov 13, 2022 11:20 am
Replies: 2
by 2SPOT » Fri Nov 04, 2022 11:00 pm

2 Replies

10994 Views

Last post by Vincent Lecocq
Sun Nov 13, 2022 11:20 am
Alpha Camelopardalis

Last post by Robin Leadbeater « Fri Oct 21, 2022 11:25 am
Replies: 10
by jsandse » Wed Oct 05, 2011 11:30 am
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2
10 Replies

31562 Views

Last post by Robin Leadbeater
Fri Oct 21, 2022 11:25 am
Chromospheric active stars: a key program for amateurs

Last post by Dubreuil Pierre « Wed Oct 19, 2022 8:17 pm
Replies: 32
by Christian Buil » Thu Apr 11, 2019 7:55 pm
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32 Replies

781261 Views

Last post by Dubreuil Pierre
Wed Oct 19, 2022 8:17 pm
Doing Some Spectroscopy In My LightPpolluted Apartment

Last post by Tom Love « Fri Oct 14, 2022 1:40 am
Replies: 1
by Richard Brown » Wed Oct 12, 2022 5:01 pm

1 Replies

9395 Views

Last post by Tom Love
Fri Oct 14, 2022 1:40 am
Process comparison ISIS vs ARP SpecINTI

Last post by Olivier GARDE « Wed Sep 28, 2022 5:02 pm
Replies: 5
by Olivier GARDE » Sat Sep 10, 2022 7:45 am

5 Replies

21838 Views

Last post by Olivier GARDE
Wed Sep 28, 2022 5:02 pm
V2211 Cyg

Last post by etienne bertrand « Wed Jul 27, 2022 1:02 pm
Replies: 16
by etienne bertrand » Fri Aug 30, 2019 4:45 pm
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2
16 Replies

37220 Views

Last post by etienne bertrand
Wed Jul 27, 2022 1:02 pm
Spectropolarimetry experience with a small refracor

Last post by Ernst Pollmann « Sat Jul 16, 2022 3:41 pm
Replies: 2
by Guillaume Bertrand » Fri Jul 15, 2022 2:14 pm

2 Replies

14019 Views

Last post by Ernst Pollmann
Sat Jul 16, 2022 3:41 pm
Micro quasar SS433

Last post by Norbert Jorun « Sat May 21, 2022 3:46 pm
Replies: 1
by 2SPOT » Sat May 21, 2022 8:03 am

1 Replies

10419 Views

Last post by Norbert Jorun
Sat May 21, 2022 3:46 pm
Un quasar derrière NGC 2650 ?

Last post by JP Nougayrede « Sat May 14, 2022 8:06 am
Replies: 7
by JP Nougayrede » Fri Apr 29, 2022 8:36 pm

7 Replies

17977 Views

Last post by JP Nougayrede
Sat May 14, 2022 8:06 am
Rho Cas Activity

Last post by Robin Leadbeater « Mon May 09, 2022 5:10 pm
Replies: 16
by Andrew Smith » Mon Dec 18, 2017 2:51 pm
1

2
16 Replies

55157 Views

Last post by Robin Leadbeater
Mon May 09, 2022 5:10 pm
Starex

Last post by Antonino Ventura « Wed Apr 06, 2022 7:08 pm

by Antonino Ventura » Wed Apr 06, 2022 7:08 pm

0 Replies

9100 Views

Last post by Antonino Ventura
Wed Apr 06, 2022 7:08 pm
The Remnant and Origin of the Historical Supernova 1181 AD

Last post by Olivier GARDE « Thu Mar 17, 2022 8:02 pm
Replies: 10
by Pascal Le Du » Fri Sep 17, 2021 8:49 am
1

2
10 Replies

150687 Views

Last post by Olivier GARDE
Thu Mar 17, 2022 8:02 pm
M82-F

Last post by Simon de Visscher « Tue Mar 01, 2022 10:17 am

by Simon de Visscher » Tue Mar 01, 2022 10:17 am

0 Replies

10092 Views

Last post by Simon de Visscher
Tue Mar 01, 2022 10:17 am
Comet 2021 A1 (Leonard) mag 7.5 and brightening

Last post by etienne bertrand « Mon Nov 29, 2021 5:21 pm
Replies: 3
by Robin Leadbeater » Mon Nov 29, 2021 12:42 am

3 Replies

21246 Views

Last post by etienne bertrand
Mon Nov 29, 2021 5:21 pm
Io sodium nebula

Last post by JP Nougayrede « Fri Nov 26, 2021 10:11 pm
Replies: 10
by JP Nougayrede » Wed Oct 13, 2021 9:17 pm
1

2
10 Replies

25550 Views

Last post by JP Nougayrede
Fri Nov 26, 2021 10:11 pm
spectra from LowSpec

Last post by Antonino Ventura « Sun Nov 21, 2021 2:54 pm
Replies: 1
by Antonino Ventura » Mon Nov 01, 2021 12:38 pm

1 Replies

10465 Views

Last post by Antonino Ventura
Sun Nov 21, 2021 2:54 pm
Comet Chury 67P)

Last post by Robin Leadbeater « Wed Nov 10, 2021 5:06 pm
Replies: 2
by Christian Buil » Sat Oct 09, 2021 5:00 pm

2 Replies

18400 Views

Last post by Robin Leadbeater
Wed Nov 10, 2021 5:06 pm
Crab nebula

Last post by JP Nougayrede « Fri Oct 08, 2021 9:06 am
Replies: 5
by JP Nougayrede » Wed Oct 06, 2021 7:43 am

5 Replies

16457 Views

Last post by JP Nougayrede
Fri Oct 08, 2021 9:06 am

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