Search found 820 matches

by Radon86
Sun Jun 30, 2024 9:16 am
Forum: This is SolarChat !!
Topic: Sun FD in H-Alpha, CaK and Continuum June 29th 2024
Replies: 10
Views: 741

Re: Sun FD in H-Alpha, CaK and Continuum June 29th 2024

Really good imaging and technique, Arne. Thanks for posting.

Are your active regions a bit overexposed in H-alpha ? Looks white but maybe it is all flaring at the same time ?

Magnus
by Radon86
Sun Jun 30, 2024 8:43 am
Forum: This is SolarChat !!
Topic: 29.6.24: AR3727 and 3719 in H-alpha
Replies: 13
Views: 1164

Re: 29.6.24: AR3727 and 3719 in H-alpha

Nice images Dennis !!
I was wondering how you got 2 lots of Lunt 40 etalons. Are they from a Lunt 40mm H-alpha telescope ?

Many thanks.
Magnus
by Radon86
Sun Jun 30, 2024 8:32 am
Forum: This is SolarChat !!
Topic: Sunday Session Ha 30-06-2024
Replies: 9
Views: 725

Re: Sunday Session Ha 30-06-2024

Hi, Nice results Martin. :hamster: I see you use a 2 inch H-alpha 7nm filter as ERF. I have seen people use a 35nm H-alpha as ERF. How does the 7nm compare ? I have a svbony 2 inch 7nm filter but have never used it for ERF. Also how did you stop your refractor from 120mm to 80 mm ? Did you use a 3D ...
by Radon86
Sun Jun 30, 2024 7:10 am
Forum: This is SolarChat !!
Topic: Active South west limb 26/6/24
Replies: 7
Views: 374

Re: Active South west limb 26/6/24

Thanks Arne, Mark.
by Radon86
Sun Jun 30, 2024 7:08 am
Forum: This is SolarChat !!
Topic: Spain 2024-06-29
Replies: 17
Views: 1058

Re: Spain 2024-06-29

Hi Alexandra,

Agree with the others praise, excellent imaging and processing. Now here in the UK the sun has disappeared behind fairly opague cloud, looks like it will be this way for at least 1 week. Maybe you should remain in Spain....?

Magnus
by Radon86
Sat Jun 29, 2024 6:14 pm
Forum: This is SolarChat !!
Topic: Tall looping prom 24/6/24 at South West limb
Replies: 6
Views: 410

Re: Tall looping prom 24/6/24 at South West limb

Thanks Mark, Arne. I almost fainted when I saw the size of the proms. Amazing views in a high focal length telescope.

Magnus
by Radon86
Sat Jun 29, 2024 5:05 am
Forum: This is SolarChat !!
Topic: 1 hour 54 minutes timelapse of a coronal loop on the Sun in H-Alpha on 24th of June 2024.
Replies: 24
Views: 1077

Re: 1 hour 54 minutes timelapse of a coronal loop on the Sun in H-Alpha on 24th of June 2024.

Hi Arne,What capture program do you use, I use Firecapture, but the gamma function is greyed out, so how do you activate that?

Thanks.
by Radon86
Fri Jun 28, 2024 11:38 am
Forum: This is SolarChat !!
Topic: June 27 2024 - Quantumania
Replies: 10
Views: 515

Re: June 27 2024 - Quantumania

Hello Simon, Stunning work. So detailed its astounding. :hamster: :hamster: My impression is that the images are slightly too dark ? Are you using a laptor or a monitor for your post processing ? A calibrated monitor is helpful, I use Calibrite Display123. I think monitors are better than laptops as...
by Radon86
Fri Jun 28, 2024 11:34 am
Forum: This is SolarChat !!
Topic: AR210/F50 only with Quark combo - 28.06.
Replies: 19
Views: 710

Re: AR210/F50 only with Quark combo - 28.06.

Good enough for me !

Magnus
by Radon86
Fri Jun 28, 2024 11:32 am
Forum: This is SolarChat !!
Topic: How do I calculate the maximum magnification I can get without oversampling?
Replies: 24
Views: 879

Re: How do I calculate the maximum magnification I can get without oversampling?

Hello Nic, I think you can go around not having a SSM by using SharpCap seeing monitor. AZAstroguy gives a demo in one of his videos on solar imaging. I think you may need SharpCapPro version (pay a subscription annual fee) to use it. I was curious about your camera ASI 462. Is that a mono or colour...
by Radon86
Fri Jun 28, 2024 11:06 am
Forum: This is SolarChat !!
Topic: Sol in Hα & Timelapse - 28th June 2024 - All underwhelming and not worth viewing.
Replies: 3
Views: 293

Re: Sol in Hα & Timelapse - 28th June 2024 - All underwhelming and not worth viewing.

How many videos did you stack, and interval between videos?
Are you sure you did order the frames cirrectly?
Nice try and not bad. Maybe you need to take frames at 2 per min or 1 per min and run it for a 3 to 4 hours, or choose a more changeable prom?
by Radon86
Fri Jun 28, 2024 9:53 am
Forum: SPoD Archive
Topic: Magnetic loops. Very cool views!
Replies: 17
Views: 498

Re: Magnetic loops. Very cool views!

Very nice imaging and loops.
What do you think of this minor adjustment to your main coloured image ?

Magnus
2024-06-24-0737_5-L-Jup_lapl3_ap2358_out_aligned-color-levels.jpg
2024-06-24-0737_5-L-Jup_lapl3_ap2358_out_aligned-color-levels.jpg (482.09 KiB) Viewed 266 times
by Radon86
Fri Jun 28, 2024 9:33 am
Forum: This is SolarChat !!
Topic: 4 hours on the Post Flare Loops 6/24/2024
Replies: 25
Views: 767

Re: 4 hours on the Post Flare Loops 6/24/2024

Fantastic imaging there Warren.
Are there Newton Rings with a Lunt 60mm Double stack scope still ?

Many thanks.
Magnus
by Radon86
Fri Jun 28, 2024 9:30 am
Forum: This is SolarChat !!
Topic: FD + AR 25 June
Replies: 11
Views: 477

Re: FD + AR 25 June

Hi Maurits,
Very nice work.
Do I detect a bit of under illumination on the left 1/4 of the sun ? Or is that my laptop screen showing its defects ?

Magnus
by Radon86
Fri Jun 28, 2024 9:27 am
Forum: This is SolarChat !!
Topic: 23 panel Sun mosaic
Replies: 7
Views: 448

Re: 23 panel Sun mosaic

Nice disk Rudi! Try stopping the scope down to f10 then using the Quark it should put you closer on band and get you more contrast. I dont think that is nesecary. I have had a visual observing session recently with this telescope, where it performed fantastically. Also, one of my danish astro frien...
by Radon86
Fri Jun 28, 2024 9:21 am
Forum: This is SolarChat !!
Topic: Near-UV and Ca K FD images taken on June 16
Replies: 9
Views: 460

Re: Near-UV and Ca K FD images taken on June 16

Very nice work Christian.
Does this mean the sun has lots of Calcium and Potassium atoms in its atmosphere ?

Thanks.
Magnus
by Radon86
Fri Jun 28, 2024 9:18 am
Forum: This is SolarChat !!
Topic: Morning with N180/F36 - 27.06.
Replies: 12
Views: 519

Re: Morning with N180/F36 - 27.06.

Hello Pupak,

What is a N180 ?

Thanks
by Radon86
Fri Jun 28, 2024 9:13 am
Forum: This is SolarChat !!
Topic: Spain 2024-06-26
Replies: 27
Views: 831

Re: Spain 2024-06-26

Hello Alexandra,
I was wondering if that is new Coronado 90mm DS you have bought ? Are they prone to Newton Rings when imaging, and do you still need to take flats to remove dust spots and things ?

Thanks.
Magnus
by Radon86
Fri Jun 28, 2024 9:12 am
Forum: This is SolarChat !!
Topic: Sun in Whitelight 28th June 2024.
Replies: 12
Views: 394

Re: Sun in Whitelight 28th June 2024.

Hi Steve,
Nice sunspots, but is there an illumination issue on the lower and right hand side of the sun? Not sure how that came about.
Maybe it was the levels adjustment ?
This can also happen if your monitor does not have the correct gamma and brightness adjustment.

Magnus
by Radon86
Fri Jun 28, 2024 8:54 am
Forum: This is SolarChat !!
Topic: Prom. anim. 26/6-2024
Replies: 10
Views: 516

Re: Prom. anim. 26/6-2024

Thank you Rudi.
That is very helpful.

So you are not overexposed there, but in your animation, the main part of the prom looks overly bright, not a criticism though.

Magnus
by Radon86
Fri Jun 28, 2024 8:53 am
Forum: SPoD Archive
Topic: M2.85 Solar flare animation
Replies: 16
Views: 832

Re: M2.85 Solar flare animation

Thanks Minh.
You have a really seriously good solar imaging instrument in that 152mm DS. Is that with a Quark + PST etalon.

Magnus
by Radon86
Fri Jun 28, 2024 8:53 am
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: M2.85 Solar flare animation
Replies: 9
Views: 392

Re: M2.85 Solar flare animation

Thanks Minh.
You have a really seriously good solar imaging instrument in that 152mm DS. Is that with a Quark + PST etalon.

Magnus
by Radon86
Fri Jun 28, 2024 6:16 am
Forum: This is SolarChat !!
Topic: Prom. anim. 26/6-2024
Replies: 10
Views: 516

Re: Prom. anim. 26/6-2024

Hi Radi,
I am not experienced with prom imaging. Just wondering if the prom was overexposed (main part of the prom). I am learning but most of the time (95 percent of days), the sun is behind clouds or too low on the horizon to image.

Magnus
by Radon86
Fri Jun 28, 2024 6:12 am
Forum: This is SolarChat !!
Topic: 1 hour 54 minutes timelapse of a coronal loop on the Sun in H-Alpha on 24th of June 2024.
Replies: 24
Views: 1077

Re: 1 hour 54 minutes timelapse of a coronal loop on the Sun in H-Alpha on 24th of June 2024.

Absolutely superb work Arne ! Why did you not leave a longer gap between frames ? Why not use fewer frames to cut down on disc storage. What I am not sure is how much to boost the exposure to view the proms as you are using a 60mm telescope. Do you overexpose the proms so the proms are white or just...
by Radon86
Fri Jun 28, 2024 6:02 am
Forum: This is SolarChat !!
Topic: 2 hours 20 minutes on the SE Limb 6/27/2024
Replies: 6
Views: 351

Re: 2 hours 20 minutes on the SE Limb 6/27/2024

So many flares ! Wonderful Rigel123.
Why are the dark filaments also flaring ??

Did you have to move the scope or did you use autoguiding on the sun to keep a steady FOV ?

Thanks.
Magnus
by Radon86
Fri Jun 28, 2024 5:58 am
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: M2.85 Solar flare animation
Replies: 9
Views: 392

Re: M2.85 Solar flare animation

What telescope did you use for this full disc ?

Quite appealing animation. Did you try a close up on the active flaring region with a Barlow ?

Magnus
by Radon86
Fri Jun 28, 2024 5:58 am
Forum: SPoD Archive
Topic: M2.85 Solar flare animation
Replies: 16
Views: 832

Re: M2.85 Solar flare animation

What telescope did you use for this full disc ?

Quite appealing animation. Did you try a close up on the active flaring region with a Barlow ?

Magnus
by Radon86
Fri Jun 28, 2024 5:56 am
Forum: This is SolarChat !!
Topic: Tall looping prom 24/6/24 at South West limb
Replies: 6
Views: 410

Re: Tall looping prom 24/6/24 at South West limb

Thanks Alexandra!

Magnus
by Radon86
Thu Jun 27, 2024 4:21 pm
Forum: This is SolarChat !!
Topic: Tall looping prom 24/6/24 at South West limb
Replies: 6
Views: 410

Tall looping prom 24/6/24 at South West limb

Hi All, I did capture the tall post flare loop but missed the first hour or more due to cloud and having to setup my tripod and mount. Here is one processed video, I was not able to get an animation due to poor polar alignment. Cheers, Magnus 2024-06-24-1322_4-U-Halpha-Sun_Halpha_lapl5_ap399-Imppg-s...
by Radon86
Thu Jun 27, 2024 4:18 pm
Forum: This is SolarChat !!
Topic: Active South west limb 26/6/24
Replies: 7
Views: 374

Re: Active South west limb 26/6/24

Thanks Alexandra, Deepsolar64, Rigel124, sorry I have forgotten your first names. I wish I had the chance to image it earlier in the day when it is much cooler and the seeing is better.

Magnus
by Radon86
Wed Jun 26, 2024 11:10 pm
Forum: This is SolarChat !!
Topic: Active South west limb 26/6/24
Replies: 7
Views: 374

Active South west limb 26/6/24

Hi Solarchat! I took advantage of my well aligned mount to image the sun before it got too hot ! Here is one of them, unfortunately Firecapture gives flashes in some of my videos. Here is one, I did not do an animation as the seeing was not great and it was getting too hot. 25 percent of 1000 frames...
by Radon86
Tue Apr 02, 2024 8:57 pm
Forum: Solar Scope Modifications
Topic: Double stack options with a Quark chromosphere?
Replies: 12
Views: 882

Re: Double stack options with a Quark chromosphere?

I don't have much to offer for this subject, but for custom-made adapters, I can recommend the RAF Camera. https://rafcamera.com/custom-adapter When you know measurements, threads, etc, they can do pretty much anything. Solved my troublesome issue by attaching a new focuser for TS Optics 152mm scop...
by Radon86
Tue Apr 02, 2024 8:52 pm
Forum: Solar Scope Modifications
Topic: Double stack options with a Quark chromosphere?
Replies: 12
Views: 882

Re: Double stack options with a Quark chromosphere?

just an opinion but you’d be way better off dumping the Clark and getting a real solar telescope and then a second etalon. By the time you get done, you will have spent the same money. Hi Stephen, Thanks for your input. I would really like to purchase a proper solar telescope. I presume you mean a ...
by Radon86
Tue Apr 02, 2024 8:49 pm
Forum: Solar Scope Modifications
Topic: Double stack options with a Quark chromosphere?
Replies: 12
Views: 882

Re: Double stack options with a Quark chromosphere?

Hi Magnus, I would be interested in knowing what equipment you currently have before advising you on any progression. You can get much more mileage out of processing techniques etc than double-stacking a quark for example in my opinion. Complicating the number of parts can often take you backwards ...
by Radon86
Tue Apr 02, 2024 8:39 pm
Forum: Solar Scope Modifications
Topic: Double stack options with a Quark chromosphere?
Replies: 12
Views: 882

Re: Double stack options with a Quark chromosphere?

Hi Magnus, What exactly are you wanting to do? Mark Hi Mark, That is a very good question ! There is no straight forward answer. My main priority is to 1) image the proms with a lower exposure time than I am getting with my Quark with 70mm or 90mm or 120mm refractors. I am keen to get fine filament...
by Radon86
Tue Apr 02, 2024 2:13 pm
Forum: Solar Software
Topic: ImPPG and number of iterations question
Replies: 4
Views: 528

Re: ImPPG and number of iterations question

Hi Alexandra, I have also downloaded Astraimage recently for its "deconvolution"" abilities. Still no where near able to use it properly. There is AstroImageJ (not for deconvolution) and Astrosurface (wavelets and Lucy Richardson) deconvolution. There is so many, it is easy to get thi...
by Radon86
Tue Apr 02, 2024 2:07 pm
Forum: Solar Scope Modifications
Topic: Double stack options with a Quark chromosphere?
Replies: 12
Views: 882

Double stack options with a Quark chromosphere?

Hi, As the year progresses, the sun becomes higher and no longer is hidden beneath or behind houses and extensions! I see a number of lunt LS50 or PST mods as a double stack addition to a Quark. I have read posts about these in the past. I was wondering if I could take tne next step and plan and pur...
by Radon86
Tue Apr 02, 2024 8:26 am
Forum: Solar Software
Topic: ImPPG and number of iterations question
Replies: 4
Views: 528

ImPPG and number of iterations question

Hi, I came across an article on Lucy Richardson deconvolution, and how to optimise sigma and iterations. It was not for solar imaging in particular. One question comes to mind: 1) How to find the optimal iteration number when you are not sure of Sigma value to apply ? I suppose you have to find sigm...
by Radon86
Tue Apr 02, 2024 8:20 am
Forum: Solar Software
Topic: Aligning an image sequence in ImPPG v1.9
Replies: 7
Views: 682

Re: Aligning an image sequence in ImPPG v1.9

Hi everyone, I have an image sequence I would like to align in ImPPG but sadly it makes the alignment much worse rather than aligning. When I have had these problems in the past I used to do a first pass in Registax and finish in ImPPG, but I can no longer get Registax to work since changing to Win...
by Radon86
Tue Apr 02, 2024 8:13 am
Forum: Solar Software
Topic: ImPPG version 1.9.1-beta
Replies: 4
Views: 15922

Re: ImPPG version 1.9.1-beta

Hi Filip/Great Attractor, I have used ImPPG 1.9.1-beta or the latest version, and have noticed "Add Mask" option in the unsharp mask section. Is this enablng mulitple unsharp masks to be applied ? How do you create the mask on the sun or is it applied to the whole image ? There is no optio...
by Radon86
Mon Jan 08, 2024 7:32 am
Forum: Total Solar Eclipse April 8 2024
Topic: Eclipse sequencer or automated capture of corona
Replies: 5
Views: 1726

Re: Eclipse sequencer or automated capture of corona

Hi Alex,
I do not own Sony Alpha cameras, but
have you tried connecting your camera to
a PC application like Astrophotography tool?
There would be timing issues as well.

I own Canon but am NOT preparing for the
US eclipse this April 2024.

Magnus
by Radon86
Tue Jul 18, 2023 12:47 pm
Forum: This is SolarChat !!
Topic: Animation AR13363
Replies: 8
Views: 820

Re: Animation AR13363

Hello Pupak, Brilliant imaging and postprocessing. I was wondering: 1) what was your exposure time for these proms 2) did you do any histogram stretching to enhance the proms (and noise) or did you just leave it as the stacked and ? sharpened image. 3) How much did you sharpen the image/unsharp mask...
by Radon86
Tue Jul 18, 2023 12:39 pm
Forum: This is SolarChat !!
Topic: 215 minute animation of eruptive prom AR3363 (gong)
Replies: 5
Views: 611

Re: 215 minute animation of eruptive prom AR3363 (gong)

rigel123 wrote: Tue Jul 18, 2023 10:39 am Thanks Magnus, that would have been a fun one to watch.
Thanks Rigel123/Warren,

It shows you some proms/eruptions happen quite quickly and it can be quiet before and after .

Magnus
by Radon86
Tue Jul 18, 2023 12:38 pm
Forum: This is SolarChat !!
Topic: 215 minute animation of eruptive prom AR3363 (gong)
Replies: 5
Views: 611

Re: 215 minute animation of eruptive prom AR3363 (gong)

Thanks Magnus! is this of the extended M class flare? :movie Alexandra Hi Alexandra, Yes, it was on the south western limb on 17th July yesterday. It was a huge eruption of plasma and there was M class flaring I believe. Unfortunately, it was cloudy/rain/windy where I was down South. At least we ar...
by Radon86
Tue Jul 18, 2023 7:39 am
Forum: This is SolarChat !!
Topic: 215 minute animation of eruptive prom AR3363 (gong)
Replies: 5
Views: 611

215 minute animation of eruptive prom AR3363 (gong)

Hi everyone, I saw the news on the eruptive prom of AR3633 yesterday, so I did a short animation from images obtained from gong.nso.edu. This is a short animation from 206 images from the El Teide observatory from 080022 to 113522 on 17th July 2023 (universal time). Processed in PIPP. Gain 1.5, gamm...
by Radon86
Tue Jul 18, 2023 7:22 am
Forum: This is SolarChat !!
Topic: July 17
Replies: 9
Views: 1009

Re: July 17

Hello Banjo,

Nice capture and processing, I really like its look. Looks like a whirlpool. Such a big sunspot!

Magnus
by Radon86
Sun Jul 16, 2023 7:10 am
Forum: This is SolarChat !!
Topic: July 4 Ha images taken with the Mewlon 250
Replies: 10
Views: 689

Re: July 4 Ha images taken with the Mewlon 250

Dear Christian,

May I know what mount did you use ?
I calculate 3.5 x 2500 mm focal lenght for the Mewlon and the answer is: 8750mm.

That is quite a high focal length !

Magnus
by Radon86
Sun Jul 16, 2023 7:04 am
Forum: This is SolarChat !!
Topic: July 4 Ha images taken with the Mewlon 250
Replies: 10
Views: 689

Re: July 4 Ha images taken with the Mewlon 250

Incredible images Christian,
The first image looks like a swirling whirlpool...of plasma !!

Magnus
by Radon86
Sun Jul 16, 2023 6:24 am
Forum: This is SolarChat !!
Topic: Animation 195minutes AR 3373 up n over uʍop ɹǝpun
Replies: 19
Views: 1588

Re: Animation 195minutes AR 3373 up n over uʍop ɹǝpun

Hello Peter,

Very detailed capture, excellent work!
How many images did you take over 195 minutes? (frames per video, interval between video), and what telescope did you use? It looks like a 102mm scope ? Am I right?

Did you capture in 8 bit or 16 bit?

Magnus