Search found 788 matches

by Radon86
Tue Apr 02, 2024 8:57 pm
Forum: Solar Scope Modifications
Topic: Double stack options with a Quark chromosphere?
Replies: 12
Views: 689

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: 689

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: 689

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: 689

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: 388

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: 689

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: 388

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: 540

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: 15523

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: 1571

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: 804

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: 582

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: 582

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: 582

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: 960

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: 665

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: 665

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: 1523

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
by Radon86
Sun Jul 16, 2023 6:16 am
Forum: This is SolarChat !!
Topic: Does stacking images help us?
Replies: 68
Views: 6432

Re: Does stacking images help us?

First of all, what do we expect when we stack a series of images vs take a single image? We want: a sum image that is reduced of atmospherical distortions and has increased s/n + details on the whole image and not only in certain parts. This image will be more blurry then a single best image. I wou...
by Radon86
Sun Jul 16, 2023 6:03 am
Forum: Solar Scope Modifications
Topic: Solar guiding using ordinary guide scope
Replies: 15
Views: 4913

Re: Solar guiding using ordinary guide scope

I use Vidoxide , see this video for a short demo. Though I haven't created a Windows build yet (had some problems with the Spinnaker camera driver not working, unlike on Linux), in principle the program should work with any ASCOM-visible mount, and supports ZWO cameras as well. But since FireCaptur...
by Radon86
Sun Jul 16, 2023 6:02 am
Forum: Solar Scope Modifications
Topic: Solar guiding using ordinary guide scope
Replies: 15
Views: 4913

Re: Solar guiding using ordinary guide scope

Hi Clare and Peter, I would be grateful if you can post details (as much as you wish) on how you mounted the guidescope, as I have not seen it before). It looks like a M5 or M6 screw fits onto the main tube rings, and there is a small circular tube spacer which fits over the screw hole on the rings....
by Radon86
Sun Jul 16, 2023 5:20 am
Forum: Commercial Solar Filters/Cameras/Hardware
Topic: Low noise high speed camera for halpha proms?
Replies: 22
Views: 3027

Re: Low noise high speed camera for halpha proms?

Thanks Christian,
I think I understand photon noise and read noise much better now.

I suppose I will have to choose how much gain to add to balance the increase in photon noise (..i.e. GAIN) vs signal against the background.

Magnus
by Radon86
Mon Jul 10, 2023 7:46 am
Forum: Commercial Solar Filters/Cameras/Hardware
Topic: Low noise high speed camera for halpha proms?
Replies: 22
Views: 3027

Re: Low noise high speed camera for halpha proms?

Dear Christian and all, The 2 images I present to you is that on the 14th September 2022. I attach Image-FD from the gong.nso.edu site on the day. The region is in position approx 8 to 9 o'clock on the disc. 20220914145252Th.jpg Comparison of limb exposure (Image_A,14_42_13) [only stacked in A!S3, n...
by Radon86
Sun Jul 09, 2023 9:09 pm
Forum: This is SolarChat !!
Topic: Filiprom on the Northeastern limb 7th July 2023
Replies: 4
Views: 418

Filiprom on the Northeastern limb 7th July 2023

Hi solarchat members, I did manage some h-alpha after my power cables issue was resolved. Some problems with the video and tracking was partly solved in PIPP. Here is a prom near the edge. I managed to isolate the prom and process the rest of the disc to increase contrast. The image on top is the st...
by Radon86
Sun Jul 09, 2023 9:02 pm
Forum: This is SolarChat !!
Topic: Martian sunspot AR3363 and AR3362 in WL with a Quark!
Replies: 7
Views: 432

Re: Martian sunspot AR3363 and AR3362 in WL with a Quark!

Thanks Peter, Alexandra, Maurits and Ivan.
I wish I had put in earth to scale and monitor its size as the days go by.
In fact, that is something I ought to try.

Magnus
by Radon86
Sun Jul 09, 2023 10:23 am
Forum: Commercial Solar Filters/Cameras/Hardware
Topic: Low noise high speed camera for halpha proms?
Replies: 22
Views: 3027

Re: Low noise high speed camera for halpha proms?

Hi, I am using a gain of 279 for some ordinary limb+proms exposures, this seemed to give relatively low noise but an obvious increase in the luminance of the background proms area (which I can control using luminosity masks and levels/curves adjustment) fairly easily. Magnus Beware ;-) The dominant...
by Radon86
Sun Jul 09, 2023 10:12 am
Forum: SPoD Archive
Topic: Martian sunspot AR3363 and AR3362 in WL with a Quark!
Replies: 2
Views: 933

Re: Martian sunspot AR3363 and AR3362 in WL with a Quark!

Thanks Alexandra!

It was a lucky capture. I had not heard of this sunspot until after I had captured it.

Magnus
by Radon86
Sat Jul 08, 2023 5:56 am
Forum: Commercial Solar Filters/Cameras/Hardware
Topic: Low noise high speed camera for halpha proms?
Replies: 22
Views: 3027

Re: Low noise high speed camera for halpha proms?

Thanks Dennis,

I did not realise the Apollo M-Max was IMX 432 with 9 micron pixels.
by Radon86
Sat Jul 08, 2023 5:52 am
Forum: SPoD Archive
Topic: Martian sunspot AR3363 and AR3362 in WL with a Quark!
Replies: 2
Views: 933

Martian sunspot AR3363 and AR3362 in WL with a Quark!

Hi Solarchat, I was trying out my 120mm SW achromat and my Quark did not power up due to a faulty cable connection. I imaged the new emerging sunspot AR3633 (visible from Mars!, as on spaceweather.com). I should have added the earth for comparison. Effective focal length 4200mm. Magnus 10_50_01_lapl...
by Radon86
Sat Jul 08, 2023 5:52 am
Forum: This is SolarChat !!
Topic: Martian sunspot AR3363 and AR3362 in WL with a Quark!
Replies: 7
Views: 432

Martian sunspot AR3363 and AR3362 in WL with a Quark!

Hi Solarchat, I was trying out my 120mm SW achromat and my Quark did not power up due to a faulty cable connection. I imaged the new emerging sunspot AR3633 (visible from Mars!, as on spaceweather.com). I should have added the earth for comparison. Effective focal length 4200mm. Magnus 10_50_01_lapl...
by Radon86
Sat Jul 08, 2023 5:42 am
Forum: Great American Solar Eclipse August 21 2017
Topic: My collection of images from the American solar eclipse
Replies: 18
Views: 20986

Re: My collection of images from the American solar eclipse

Hi Alexandra,

Thanks so much for the Acuter Merlin. I checked with some retailers and this mount is no longer on sale, so I shall either go second hand or look for the equivalent. Probably one of the newer AZ mounts.

Really nice setup and incredible solar images Alexandra.

Magnus
by Radon86
Sat Jul 08, 2023 5:39 am
Forum: Commercial Solar Filters/Cameras/Hardware
Topic: Low noise high speed camera for halpha proms?
Replies: 22
Views: 3027

Re: Low noise high speed camera for halpha proms?

I wouldn't expect significant image quality differences between same-chipped cameras from different manufacturers. Though there might be some regarding how USB I/O is implemented, etc. For instance, when I'm recording with my FLIR (formerly Point Grey) Blackfly S to an external SSD, I can simultane...
by Radon86
Sat Jul 08, 2023 5:37 am
Forum: Commercial Solar Filters/Cameras/Hardware
Topic: Low noise high speed camera for halpha proms?
Replies: 22
Views: 3027

Re: Low noise high speed camera for halpha proms?

Hi All, I have read varying opinions on the camera most suitable for solar imaging. I have a ZWO ASI174mm which is fine for discs, part discs. When imaging proms I noticed a lot of extra noise and luminance in the background, so the proms are sometimes hard to make out clearly in the background bri...
by Radon86
Sat Jul 08, 2023 5:32 am
Forum: Commercial Solar Filters/Cameras/Hardware
Topic: Low noise high speed camera for halpha proms?
Replies: 22
Views: 3027

Re: Low noise high speed camera for halpha proms?

... When imaging proms I noticed a lot of extra noise and luminance in the background Hi, May I ask what settings are you using with your camera? Hi, I am using a gain of 279 for some ordinary limb+proms exposures, this seemed to give relatively low noise but an obvious increase in the luminance of...
by Radon86
Thu Jul 06, 2023 10:41 am
Forum: Commercial Solar Filters/Cameras/Hardware
Topic: Low noise high speed camera for halpha proms?
Replies: 22
Views: 3027

Low noise high speed camera for halpha proms?

Hi All, I have read varying opinions on the camera most suitable for solar imaging. I have a ZWO ASI174mm which is fine for discs, part discs. When imaging proms I noticed a lot of extra noise and luminance in the background, so the proms are sometimes hard to make out clearly in the background brig...
by Radon86
Sat Jun 17, 2023 6:15 am
Forum: Commercial Solar Filters/Cameras/Hardware
Topic: Protect your OTAs
Replies: 3
Views: 1348

Re: Protect your OTAs

Hi Pedro,
Is that a holder for front D-ERF for a h-alpha filter or tri-band filter ?

Many thanks.

Magnus
by Radon86
Fri Jun 16, 2023 3:12 pm
Forum: Commercial Solar Filters/Cameras/Hardware
Topic: Quark chromosphere imaging of proms only ?
Replies: 10
Views: 1517

Re: Quark chromosphere imaging of proms only ?

Good point. I need to make my diy solar scintillation monitor. I have most of the parts. My seeing is probably average to below average but I need to measure it.

Magnus
by Radon86
Fri Jun 16, 2023 9:23 am
Forum: Commercial Solar Filters/Cameras/Hardware
Topic: Quark chromosphere imaging of proms only ?
Replies: 10
Views: 1517

Re: Quark chromosphere imaging of proms only ?

Hi,
No problems imaging proms, just getting the quality that Carbon60 is getting. And low noise and high contrast views of the ptoms.
I will work on my 90mm and 120mm refractors for the time being.
by Radon86
Wed Jun 14, 2023 7:53 pm
Forum: Commercial Solar Filters/Cameras/Hardware
Topic: Quark chromosphere imaging of proms only ?
Replies: 10
Views: 1517

Re: Quark chromosphere imaging of proms only ?

Hi Dennis, Mainly Quark chromosphere eyepiece with a 70mm F6 refractor. I also have a 90mm F10 refractor and 120mm F8.33 refractor. I have 2 inch ERF (uv-ir cut filter or 35nm H-alpha filter). Camera: ASI 174mm I get about 6 to 10 ms exposures for the limb. If I expose for proms only it gets noisier...
by Radon86
Wed Jun 14, 2023 3:53 pm
Forum: This is SolarChat !!
Topic: Dynamic Prom Animation 14th June 2023
Replies: 29
Views: 1489

Re: Dynamic Prom Animation 14th June 2023

Hi Stu, Very detailed and low noise animation. May I know what h-alpha filter you used and the ERF (as I do not remember your equipment list). I have a 120mm achromat (F8.33) refractor, plus a Quark Chromosphere. Would that be useful to image the proms like you ? I think I should probably use a fron...
by Radon86
Wed Jun 14, 2023 3:50 pm
Forum: Commercial Solar Filters/Cameras/Hardware
Topic: Quark chromosphere imaging of proms only ?
Replies: 10
Views: 1517

Re: Quark chromosphere imaging of proms only ?

Hi Dennis,

So I need to focal reduce or using a front mounted h-alpha filter ??

Thanks.

Magnus
by Radon86
Wed Jun 14, 2023 9:21 am
Forum: Commercial Solar Filters/Cameras/Hardware
Topic: Quark chromosphere imaging of proms only ?
Replies: 10
Views: 1517

Quark chromosphere imaging of proms only ?

Hi,

I think I have got tuning of my Quark chromosphere eyepiece for disc details - usually at +2 setting on the quark dial.
I was wondering about imaging only the PROMs.

Is the setting different for this - dial setting is turned to what setting exactly ?

Many thanks for any advice on this.

Magnus
by Radon86
Tue Jun 13, 2023 11:46 pm
Forum: Great American Solar Eclipse August 21 2017
Topic: My collection of images from the American solar eclipse
Replies: 18
Views: 20986

Re: My collection of images from the American solar eclipse

Hi Alexandra,
I was wondering if I could find out how you laid out the various phases of the eclipse in a spiral?
Is that a path in photoshop?

I haven’t been able to work it out.
What mount did you use to track the sun.

Thanks.
Magnus
by Radon86
Tue Jun 13, 2023 11:41 pm
Forum: Great American Solar Eclipse August 21 2017
Topic: How is everyone planning photo sequence for Eclipse?
Replies: 4
Views: 3975

Re: How is everyone planning photo sequence for Eclipse?

Hi Amit, Very detailed and helpful outline. I was wondering about tracker mounts as that would reduce the need to adjust your camera position as the sun moved across the sky. Any recommendations? And what are you taking. Then there are battery and power supply. Should there be a special image exposu...
by Radon86
Mon May 15, 2023 12:36 pm
Forum: This is SolarChat !!
Topic: Cardboard PST Full Disk
Replies: 12
Views: 679

Re: Cardboard PST Full Disk

Hello Dave,

Why is the sun so big ?
Can you give me a link to your cardboard PST, I am intrigued, I have never heard or seen cardboard being used.

Many thanks.
Magnus
by Radon86
Mon May 15, 2023 12:30 pm
Forum: Commercial Solar Filters/Cameras/Hardware
Topic: Atik 314L+ mono camera for solar imaging ??
Replies: 5
Views: 1268

Atik 314L+ mono camera for solar imaging ??

Hi, Does anyone know or has used an Atik 314L+ mono for solar H-alpha imaging ? It has 6.46 micron pixels, is a cooled camera. I do not know its FPS for getting videos, but it does work with SharpCap. Any advice and info would be appreciated. I would be using it with a short focus refractor at 420mm...
by Radon86
Tue Apr 18, 2023 6:13 am
Forum: This is SolarChat !!
Topic: FD Pair from April 16th
Replies: 10
Views: 613

Re: FD Pair from April 16th

Hi Brian,

Very good imaging and processing - super FDs!
How did you get this full disc ? Did you use multiple panes and photo merged all the different panes or was it a single video/frame ?

Many thanks.
Magnus
by Radon86
Mon Apr 17, 2023 7:34 pm
Forum: Total Solar Eclipse April 8 2024
Topic: Travel guide by Simon Calder in Independent
Replies: 0
Views: 1281

Travel guide by Simon Calder in Independent

Hi all,

Here is a useful travel guide published in the Independent.

https://www.independent.co.uk/travel/no ... 00164.html

I hope you find it helpful.

Magnus
by Radon86
Sat Apr 01, 2023 9:08 am
Forum: SPoD Archive
Topic: Mar 31 2023 - A break in the weather
Replies: 12
Views: 1569

Re: Mar 31 2023 - A break in the weather

Hello Simon, Incredible imaging skills there Simon! Are you going any more Youtube videos ? I saw your earlier work on solar imaging in the Woodland Hills cameras Youtube channel. Amazing work! For those who do are new or inexperienced, it may help to just note the basic details of your equipment an...