Search found 1032 matches

by jp-brahic
Wed Dec 14, 2022 4:12 pm
Forum: This is SolarChat !!
Topic: My latest solar images of 2022, Refractor H-Alpha 230mm
Replies: 27
Views: 1232

Re: My latest solar images of 2022, Refractor H-Alpha 230mm

Hello I was also thinking of EB , but their positioning in the high chromosphere raises a question , I don’t think this phenomenon is in the low chromosphere given the density of the filter , this is not the first time that I have seen this type of bright points on my images, actually I don’t know w...
by jp-brahic
Tue Dec 13, 2022 2:54 pm
Forum: This is SolarChat !!
Topic: My latest solar images of 2022, Refractor H-Alpha 230mm
Replies: 27
Views: 1232

Re: My latest solar images of 2022, Refractor H-Alpha 230mm

Thank you all for your comments :) " observed some "dots" in an area of the photo and attached a cropped area below. Are these artifacts or some real "tiny" features of solar activity?" yes of course it is reality, I see them without problems on the original film:) JP
by jp-brahic
Thu Dec 08, 2022 8:41 am
Forum: SPoD Archive
Topic: My latest solar images of 2022, Refractor H-Alpha 230mm
Replies: 15
Views: 1539

Re: My latest solar images of 2022, Refractor H-Alpha 230mm

"Il y a un petit filament en forme de croix dans une plage lumineuse SE de la tache en haut à gauche de la photo."

Ha!! ok !!! i saw :)
by jp-brahic
Thu Dec 08, 2022 8:41 am
Forum: This is SolarChat !!
Topic: My latest solar images of 2022, Refractor H-Alpha 230mm
Replies: 27
Views: 1232

Re: My latest solar images of 2022, Refractor H-Alpha 230mm

"Il y a un petit filament en forme de croix dans une plage lumineuse SE de la tache en haut à gauche de la photo."

Ha!! ok !!! i saw :)
by jp-brahic
Thu Dec 08, 2022 6:39 am
Forum: SPoD Archive
Topic: My latest solar images of 2022, Refractor H-Alpha 230mm
Replies: 15
Views: 1539

Re: My latest solar images of 2022, Refractor H-Alpha 230mm

thank you all for your messages :)
James sorry , but i don't understand your question

have a nice day

jp
by jp-brahic
Thu Dec 08, 2022 6:39 am
Forum: This is SolarChat !!
Topic: My latest solar images of 2022, Refractor H-Alpha 230mm
Replies: 27
Views: 1232

Re: My latest solar images of 2022, Refractor H-Alpha 230mm

thank you all for your messages :)
James sorry , but i don't understand your question

have a nice day

jp
by jp-brahic
Wed Dec 07, 2022 10:33 am
Forum: SPoD Archive
Topic: My latest solar images of 2022, Refractor H-Alpha 230mm
Replies: 15
Views: 1539

Re: My latest solar images of 2022, Refractor H-Alpha 230mm

thank you Averton , have a nice day

jp
by jp-brahic
Wed Dec 07, 2022 10:33 am
Forum: This is SolarChat !!
Topic: My latest solar images of 2022, Refractor H-Alpha 230mm
Replies: 27
Views: 1232

Re: My latest solar images of 2022, Refractor H-Alpha 230mm

thank you Averton , have a nice day

jp
by jp-brahic
Wed Dec 07, 2022 9:36 am
Forum: SPoD Archive
Topic: My latest solar images of 2022, Refractor H-Alpha 230mm
Replies: 15
Views: 1539

My latest solar images of 2022, Refractor H-Alpha 230mm

Hello I present you my last acquisitions of this year 2022 which was particularly difficult for solar imaging because of the long summer heat wave (especially on south France)and above all, I don’t have much time to do astronomy right now !!! but we had a nice chromospheric activity throughout the y...
by jp-brahic
Wed Dec 07, 2022 9:36 am
Forum: This is SolarChat !!
Topic: My latest solar images of 2022, Refractor H-Alpha 230mm
Replies: 27
Views: 1232

My latest solar images of 2022, Refractor H-Alpha 230mm

Hello I present you my last acquisitions of this year 2022 which was particularly difficult for solar imaging because of the long summer heat wave (especially on south France)and above all, I don’t have much time to do astronomy right now !!! but we had a nice chromospheric activity throughout the y...
by jp-brahic
Tue Aug 09, 2022 7:30 am
Forum: This is SolarChat !!
Topic: Huge Solar prominence ( 03.08.2022) Refractor H-Alpha 230mm
Replies: 16
Views: 617

Re: Huge Solar prominence ( 03.08.2022) Refractor H-Alpha 230mm

Cairomike, Pedro , Alexandra many thanks for your comments :)

Cairomike great vidéo of this huge proms :) in the past, I made animations with the 230 mm H-Alpha Refractor, but it is very difficult to have a good seeing with this diameter over a long period of time !!!

JP
by jp-brahic
Mon Aug 08, 2022 6:20 am
Forum: This is SolarChat !!
Topic: Huge Solar prominence ( 03.08.2022) Refractor H-Alpha 230mm
Replies: 16
Views: 617

Re: Huge Solar prominence ( 03.08.2022) Refractor H-Alpha 230mm

Jp, Arne , Kevin many thanks :)
Have a nice day

jp
by jp-brahic
Mon Aug 08, 2022 6:14 am
Forum: This is SolarChat !!
Topic: Sunny Sunday (morning) 7th August 2022
Replies: 18
Views: 507

Re: Sunny Sunday (morning) 7th August 2022

a very nice series Stu!!! :) excellent work

jp
by jp-brahic
Mon Aug 08, 2022 6:11 am
Forum: This is SolarChat !!
Topic: Fantastic solar afternoon with NicSpencerYork
Replies: 27
Views: 1068

Re: Fantastic solar afternoon with NicSpencerYork

Wouhaaa!!!! two women passionated by the sun!! what a rarity :)

very nice FD Alexandra :)

jp
by jp-brahic
Sun Aug 07, 2022 5:23 am
Forum: This is SolarChat !!
Topic: Huge Solar prominence ( 03.08.2022) Refractor H-Alpha 230mm
Replies: 16
Views: 617

Re: Huge Solar prominence ( 03.08.2022) Refractor H-Alpha 230mm

Alto , Mark , Solbrillante , Franco , Warren , Brian, Valery many thanks :)
Have a nice day

JP
by jp-brahic
Sat Aug 06, 2022 6:52 am
Forum: This is SolarChat !!
Topic: Huge Solar prominence ( 03.08.2022) Refractor H-Alpha 230mm
Replies: 16
Views: 617

Huge Solar prominence ( 03.08.2022) Refractor H-Alpha 230mm

Hello :) these last days the Sun has reserved for us yet another beautiful surprise with another "Ark" which has lasted several days on the Solar limb Refractor H-Alpha 230 mm F/D 27 ( FL: 6200mm ) Mount Astro-Physics 1600GTO 0.3A° Solar Spectrum Filter Basler ACA1920-155 ( 160 fps - 6ms) ...
by jp-brahic
Thu Jul 28, 2022 6:44 am
Forum: This is SolarChat !!
Topic: AR3057 ( 19.07.2022 ) refractor H-Alpha 230 mm
Replies: 14
Views: 689

Re: AR3057 ( 19.07.2022 ) refractor H-Alpha 230 mm

thank you Arne

have a nice day

jp
by jp-brahic
Tue Jul 26, 2022 6:44 am
Forum: This is SolarChat !!
Topic: AR3057 ( 19.07.2022 ) refractor H-Alpha 230 mm
Replies: 14
Views: 689

Re: AR3057 ( 19.07.2022 ) refractor H-Alpha 230 mm

Stu , Astroshot many thanks :)

JP
by jp-brahic
Tue Jul 26, 2022 6:43 am
Forum: This is SolarChat !!
Topic: Today's SUN (20220722) | H-alpha SS/DS
Replies: 18
Views: 880

Re: Today's SUN (20220722) | H-alpha SS/DS

very nice FD images Pedro !!!

jp
by jp-brahic
Tue Jul 26, 2022 6:40 am
Forum: This is SolarChat !!
Topic: A couple in Ha July 23, 2022
Replies: 15
Views: 585

Re: A couple in Ha July 23, 2022

Nice shots Franco :)

JP
by jp-brahic
Tue Jul 26, 2022 6:33 am
Forum: This is SolarChat !!
Topic: 1.5 A Alluxa Ca K first light images - July 12 and 13
Replies: 23
Views: 832

Re: 1.5 A Alluxa Ca K first light images - July 12 and 13

fantastic result Christian !!!

jp
by jp-brahic
Fri Jul 22, 2022 7:17 am
Forum: This is SolarChat !!
Topic: AR3057 ( 19.07.2022 ) refractor H-Alpha 230 mm
Replies: 14
Views: 689

Re: AR3057 ( 19.07.2022 ) refractor H-Alpha 230 mm

thank you all for your comments :) I wish you a good we

JP
by jp-brahic
Fri Jul 22, 2022 7:13 am
Forum: This is SolarChat !!
Topic: Huge Solar Prominence ( 16.07.2022)Refractor H-Alpha 230mm
Replies: 31
Views: 1132

Re: Huge Solar Prominence ( 16.07.2022)Refractor H-Alpha 230mm

Alex , Kevin thank you :) "What a beautiful instrument! You have the third 228mm refractor on SolarChat. Now will someone here buy a 230mm or 300mm Lunt!! Or a 10" 250mm plus refractor! :-)" thanks I had the very first H-Alpha 228 mm from Istar, I asked Ales at the time if he could do...
by jp-brahic
Fri Jul 22, 2022 6:57 am
Forum: This is SolarChat !!
Topic: July 16 2022 CaK close-ups
Replies: 16
Views: 647

Re: July 16 2022 CaK close-ups

very nice Cak images !!!

jp
by jp-brahic
Fri Jul 22, 2022 6:54 am
Forum: This is SolarChat !!
Topic: Today's SUN (20220721) | QUARK + TMB100 F/8
Replies: 11
Views: 623

Re: Today's SUN (20220721) | QUARK + TMB100 F/8

great serie Pedfro !!! :)

JP
by jp-brahic
Thu Jul 21, 2022 7:56 am
Forum: This is SolarChat !!
Topic: AR3057 ( 19.07.2022 ) refractor H-Alpha 230 mm
Replies: 14
Views: 689

AR3057 ( 19.07.2022 ) refractor H-Alpha 230 mm

Hello Region of AR3057 on 19.07.2022 at 7H54 TU under an average seeing a small flare is present just below the main filament always very difficult weather reports in the south of France ( + 100°F) with very high temperatures, only one video saved Réfracteur H-Alpha 230 mm F/D 27 ( FL: 6200mm ) Mont...
by jp-brahic
Thu Jul 21, 2022 7:32 am
Forum: This is SolarChat !!
Topic: Huge Solar Prominence ( 16.07.2022)Refractor H-Alpha 230mm
Replies: 31
Views: 1132

Re: Huge Solar Prominence ( 16.07.2022)Refractor H-Alpha 230mm

Hello :) thank you very much for your comments here is an image of the Solar Telescope H-Alpha , I started its construction in 2012 , since there have been some evolutions, notably the passage of an Astro-Physics 1200 GTO to an AP1600 GTO more comfortable to support the 40 kgs of the optical tube an...
by jp-brahic
Wed Jul 20, 2022 7:33 am
Forum: SPoD Archive
Topic: Huge Solar Prominence ( 16.07.2022)Refractor H-Alpha 230mm
Replies: 14
Views: 1328

Re: Huge Solar Prominence ( 16.07.2022)Refractor H-Alpha 230mm

thank you very much Alexandra, this confirms that I am bad in computer and English :)

Have a nice day

jp
by jp-brahic
Wed Jul 20, 2022 7:33 am
Forum: This is SolarChat !!
Topic: Huge Solar Prominence ( 16.07.2022)Refractor H-Alpha 230mm
Replies: 31
Views: 1132

Re: Huge Solar Prominence ( 16.07.2022)Refractor H-Alpha 230mm

thank you very much Alexandra, this confirms that I am bad in computer and English :)

Have a nice day

jp
by jp-brahic
Wed Jul 20, 2022 6:56 am
Forum: SPoD Archive
Topic: Huge Solar Prominence ( 16.07.2022)Refractor H-Alpha 230mm
Replies: 14
Views: 1328

Re: Huge Solar Prominence ( 16.07.2022)Refractor H-Alpha 230mm

thank you all for your messages :)
thank you Alexandra for your help, the problem is that we can’t see the images in full size, or then I forgot something again !!

many thanks

jp
by jp-brahic
Wed Jul 20, 2022 6:56 am
Forum: This is SolarChat !!
Topic: Huge Solar Prominence ( 16.07.2022)Refractor H-Alpha 230mm
Replies: 31
Views: 1132

Re: Huge Solar Prominence ( 16.07.2022)Refractor H-Alpha 230mm

thank you all for your messages :)
thank you Alexandra for your help, the problem is that we can’t see the images in full size, or then I forgot something again !!

many thanks

jp
by jp-brahic
Tue Jul 19, 2022 8:55 am
Forum: This is SolarChat !!
Topic: 18.7.2022, more fun with AR 3057 @393nm
Replies: 26
Views: 1159

Re: 18.7.2022, more fun with AR 3057 @393nm

Fantastic serie !!!!! :)

jp
by jp-brahic
Tue Jul 19, 2022 8:52 am
Forum: This is SolarChat !!
Topic: Today's SUN (20220717) | HUGE Prom (2)
Replies: 17
Views: 786

Re: Today's SUN (20220717) | HUGE Prom (2)

great capture Pedro :)

jp
by jp-brahic
Tue Jul 19, 2022 6:30 am
Forum: SPoD Archive
Topic: Huge Solar Prominence ( 16.07.2022)Refractor H-Alpha 230mm
Replies: 14
Views: 1328

Huge Solar Prominence ( 16.07.2022)Refractor H-Alpha 230mm

Hello :) Our star showed us a great activity this week with beautiful filaments that have "snaked" on the surface for several days one of them to benefit from the sun’s rotation presented us with a beautiful arch :) I also present to you other HR plans of the chromosphere of last week Seei...
by jp-brahic
Tue Jul 19, 2022 6:30 am
Forum: This is SolarChat !!
Topic: Huge Solar Prominence ( 16.07.2022)Refractor H-Alpha 230mm
Replies: 31
Views: 1132

Huge Solar Prominence ( 16.07.2022)Refractor H-Alpha 230mm

Hello :) Our star showed us a great activity this week with beautiful filaments that have "snaked" on the surface for several days one of them to benefit from the sun’s rotation presented us with a beautiful arch :) I also present to you other HR plans of the chromosphere of last week Seei...
by jp-brahic
Fri Jun 24, 2022 4:11 pm
Forum: This is SolarChat !!
Topic: some images more or less recent with Refractor H-Alpha 230mm
Replies: 16
Views: 558

Re: some images more or less recent with Refractor H-Alpha 230mm

Maurits , Valery , Warren , Franco , Torsinadoc, James, Rusted thank you very much for your comments !!!

Valery I hope to progress with the ERF-D 312 mm , with each observation I improve the result , no doubt I will get good images with this set-up,
I’m just running out of time

JP
by jp-brahic
Fri Jun 24, 2022 8:07 am
Forum: This is SolarChat !!
Topic: some images more or less recent with Refractor H-Alpha 230mm
Replies: 16
Views: 558

Re: some images more or less recent with Refractor H-Alpha 230mm

thank you Dennis :)
no its only the 0.3A° solar spectrum filter

JP
by jp-brahic
Fri Jun 24, 2022 7:24 am
Forum: This is SolarChat !!
Topic: The huge filaprom persists on June 23
Replies: 11
Views: 446

Re: The huge filaprom persists on June 23

nice shots of this huge filaprom :)

jp
by jp-brahic
Fri Jun 24, 2022 6:25 am
Forum: This is SolarChat !!
Topic: some images more or less recent with Refractor H-Alpha 230mm
Replies: 16
Views: 558

some images more or less recent with Refractor H-Alpha 230mm

Hello :) I am less and less presentto the forum, because I do not have too much time to practice my passion , I present to you some images made recently with the 230 mm H-Alpha Refractor Réfracteur H-Alpha 230mm F/D 27 ( 6200mm) Monture Astro-Physics 1600GTO Filtre H-Alpha Solar Spectrum 0.3A° Basle...
by jp-brahic
Tue Dec 01, 2020 8:48 am
Forum: This is SolarChat !!
Topic: November 29, 2020 ARs and prom + SS vs. DS comparison
Replies: 23
Views: 816

Re: November 29, 2020 ARs and prom

very nice shots Phil !!!

JP
by jp-brahic
Fri Nov 27, 2020 8:25 am
Forum: This is SolarChat !!
Topic: AR2786-85 ( 24Nov) and AR2781 ( 11 Nov) Refractor H-Alpha 230mm
Replies: 27
Views: 1788

Re: AR2786-85 ( 24Nov) and AR2781 ( 11 Nov) Refractor H-Alpha 230mm

Hi :) Thank you all for your friendly comments!!!! I just added a version of AR2786 on the limb in close-up with my work , I unfortunately have less and less time to devote to the Sun, regretfully!!! with the new cycle starting , I hope to do some more solar, when I have time I look forward to retir...