Search found 1668 matches

by Dennis
Tue Mar 26, 2024 1:02 pm
Forum: Solar Software
Topic: AutoStakkert!4
Replies: 8
Views: 2188

Re: AutoStakkert!4

Tried AS4 today, but had problems with the quality estimator. Doesnt work for me sadly. How did you figure it out? I'm using the latest version and I'm not too convinced I usually check the text files of each processed image to see the quantiles of the quality estimator, but somehow that is a bit b...
by Dennis
Tue Mar 26, 2024 9:22 am
Forum: This is SolarChat !!
Topic: Morning sun in H-a 26.03.
Replies: 9
Views: 200

Re: Morning sun in H-a 26.03.

Nice ones Petr, lots of flaring action
by Dennis
Tue Mar 26, 2024 6:03 am
Forum: This is SolarChat !!
Topic: Quick closeup in Ca-k from today
Replies: 27
Views: 531

Re: Quick closeup in Ca-k from today

Gorgeous Dennis, like a river of molten lava! Thanks Warren, these are my first tries with these filters and there is still a lot to optimize. Mainly reflections and also have to update scope collimation. I was lucky with some okish spring conditions. But lots of fun. See recent comments I have mad...
by Dennis
Mon Mar 25, 2024 7:44 pm
Forum: This is SolarChat !!
Topic: Quick closeup in Ca-k from today
Replies: 27
Views: 531

Re: Quick closeup in Ca-k from today

rigel123 wrote: Mon Mar 25, 2024 11:13 am Gorgeous Dennis, like a river of molten lava!

Thanks Warren, these are my first tries with these filters and there is still a lot to optimize. Mainly reflections and also have to update scope collimation. I was lucky with some okish spring conditions. But lots of fun.
by Dennis
Mon Mar 25, 2024 11:20 am
Forum: This is SolarChat !!
Topic: Sol from the 23rd of March 2024.
Replies: 6
Views: 165

Re: Sol from the 23rd of March 2024.

Very nice collection Eric, thx for sharing.
by Dennis
Mon Mar 25, 2024 11:19 am
Forum: This is SolarChat !!
Topic: Back home and out, cold or no cold! 3/24/2024
Replies: 23
Views: 343

Re: Back home and out, cold or no cold! 3/24/2024

Excellent FDs Warren, love how you can zoom into the ca-k one.
by Dennis
Mon Mar 25, 2024 11:10 am
Forum: This is SolarChat !!
Topic: Quick closeup in Ca-k from today
Replies: 27
Views: 531

Re: Quick closeup in Ca-k from today

And another one from today :)
by Dennis
Sun Mar 24, 2024 9:28 pm
Forum: This is SolarChat !!
Topic: Quick closeup in Ca-k from today
Replies: 27
Views: 531

Re: Quick closeup in Ca-k from today

marktownley wrote: Sun Mar 24, 2024 7:58 pm These are excellent Dennis, with the filters very much on band. Do you have the filters after the Barlow / telecentric?

Thanks Mark, yes they are close to the camera way after the apm 2.7 barlow.
by Dennis
Sun Mar 24, 2024 6:08 pm
Forum: This is SolarChat !!
Topic: Full Disc 23-03-2024
Replies: 12
Views: 214

Re: Full Disc 23-03-2024

Excellent images Rainer. No clouds in sight and sunny? Sounds good.
by Dennis
Sun Mar 24, 2024 6:02 pm
Forum: This is SolarChat !!
Topic: AR3615 - X-flare on 23Apr & M-flare on 24 Apr (Singapore) [New Images Added]
Replies: 36
Views: 699

Re: AR3615 - X-flare on 23Apr and M-flare on 24 Apr (Singapore)

Excellent results Alfred. Just a matter of time with the perfect tuning.
by Dennis
Sun Mar 24, 2024 5:58 pm
Forum: This is SolarChat !!
Topic: Quick closeup in Ca-k from today
Replies: 27
Views: 531

Re: Quick closeup in Ca-k from today

Thanks Alto, Xinghai and Eric.
Christian: Thanks for the input, i will consider it.
by Dennis
Sun Mar 24, 2024 1:46 pm
Forum: This is SolarChat !!
Topic: Quick closeup in Ca-k from today
Replies: 27
Views: 531

Re: Quick closeup in Ca-k from today

Thanks guys, and here is another one that came out not too bad.
by Dennis
Sun Mar 24, 2024 12:36 pm
Forum: This is SolarChat !!
Topic: Quick CaK Disks 23rd March
Replies: 27
Views: 564

Re: Quick CaK Disks 23rd March

great catch Mark.
by Dennis
Sun Mar 24, 2024 12:29 pm
Forum: This is SolarChat !!
Topic: flare on AR3614
Replies: 16
Views: 276

Re: flare on AR3614

great catch.
by Dennis
Sun Mar 24, 2024 10:50 am
Forum: This is SolarChat !!
Topic: Quick closeup in Ca-k from today
Replies: 27
Views: 531

Quick closeup in Ca-k from today

Hi, the weather here is nothing but cloudy atm. I could manage a lucky shot between clouds and rain though. This active area is really something, hope for less clouds in the upcoming days. Image was done without flatfield, stack of 100 images, gain 42, 5ms exposures and the imx432 camera. Thanks for...
by Dennis
Fri Mar 22, 2024 9:39 am
Forum: This is SolarChat !!
Topic: 393.3nm Antlia K-line and 540nm Baader Continuum Imaging. 3-21-24
Replies: 15
Views: 342

Re: 393.3nm Antlia K-line and 540nm Baader Continuum Imaging. 3-21-24

Great images James, clearly your best so far with the Antlia.
by Dennis
Wed Mar 20, 2024 6:25 pm
Forum: This is SolarChat !!
Topic: Comparison test between the ASI174MM and the ASI432MM
Replies: 16
Views: 431

Re: Comparison test between the ASI174MM and the ASI432MM

Thanks for the test. For to really evaluate any difference it makes sense to state the gain levels and exposure times used on each camera, the latter should be the same. Same number of images stacked and same processing assumed : ) We are almost there on everything, there is a small discrepancy reg...
by Dennis
Wed Mar 20, 2024 4:58 pm
Forum: This is SolarChat !!
Topic: Comparison test between the ASI174MM and the ASI432MM
Replies: 16
Views: 431

Re: Comparison test between the ASI174MM and the ASI432MM

Thanks for the test. For to really evaluate any difference it makes sense to state the gain levels and exposure times used on each camera, the latter should be the same. Same number of images stacked and same processing assumed : )
by Dennis
Wed Mar 20, 2024 11:51 am
Forum: This is SolarChat !!
Topic: Betelgeuse animation
Replies: 7
Views: 249

Re: Betelgeuse animation

Interesting, even the real animation from the video is impressive. Dont want to be closeby when that goes off.
by Dennis
Wed Mar 20, 2024 7:29 am
Forum: This is SolarChat !!
Topic: Ran Out of Pixels
Replies: 14
Views: 344

Re: Ran Out of Pixels

These are great!
by Dennis
Sun Mar 17, 2024 9:50 am
Forum: SPoD Archive
Topic: G Band better with the right kit!
Replies: 31
Views: 264

Re: G Band better with the right kit!

Thats great work Nic, thx for sharing.
by Dennis
Sun Mar 17, 2024 9:50 am
Forum: This is SolarChat !!
Topic: G Band better with the right kit!
Replies: 44
Views: 927

Re: G Band better with the right kit!

Thats great work Nic, thx for sharing.
by Dennis
Sun Mar 17, 2024 7:25 am
Forum: This is SolarChat !!
Topic: Early Saturday Calcium 16th March
Replies: 23
Views: 535

Re: Early Saturday Calcium 16th March

Very good results Mark, i often use the autogain feature, too.
by Dennis
Sun Mar 17, 2024 7:22 am
Forum: Solar Software
Topic: AutoStakkert!4
Replies: 8
Views: 2188

Re: AutoStakkert!4

Tried AS4 today, but had problems with the quality estimator. Doesnt work for me sadly.
by Dennis
Thu Mar 14, 2024 3:21 pm
Forum: This is SolarChat !!
Topic: Saturday Catch Up 9th March
Replies: 20
Views: 466

Re: Saturday Catch Up 9th March

Nice results Mark. Its always great to see new filter combinations in action. I still have to figure out how to process this "level" of the chromosphere in the best way.
by Dennis
Thu Mar 14, 2024 3:10 pm
Forum: This is SolarChat !!
Topic: Massive donation to the opening of the Kosovo National Observatory
Replies: 15
Views: 590

Re: Massive donation to the opening of the Kosovo National Observatory

Impressive work, and scopes. Many will not forget the views through them im sure.
by Dennis
Wed Mar 13, 2024 4:30 pm
Forum: This is SolarChat !!
Topic: FD images taken on March 7, from 540 nm to Ca K / Alluxa and Altair filters
Replies: 17
Views: 527

Re: FD images taken on March 7, from 540 nm to Ca K / Alluxa and Altair filters

Nice set and comparison Christian, is a triple stack (2x Alluxa 0.14 nm + 0.37 nm) possible with the TOA?
by Dennis
Wed Mar 13, 2024 4:25 pm
Forum: This is SolarChat !!
Topic: March 12 2024 Imaging Session.
Replies: 14
Views: 270

Re: March 12 2024 Imaging Session.

Very nice James, the prominences look especially good.
by Dennis
Wed Mar 13, 2024 4:02 pm
Forum: This is SolarChat !!
Topic: 6Mar - 3D Skybender First Light in Singapore
Replies: 33
Views: 666

Re: 9Mar - 3D Skybender First Light in Singapore

Excellent results Alfred, SPOD material! The Skybender did a good job there. Now to do the same with the second filter. Thank you, Dennis. I must always remember to thank you again for the many tips you have generously given me :bow Double-stacking is next after I have made some skybender improveme...
by Dennis
Tue Mar 12, 2024 8:44 pm
Forum: This is SolarChat !!
Topic: 6Mar - 3D Skybender First Light in Singapore
Replies: 33
Views: 666

Re: 9Mar - 3D Skybender First Light in Singapore

Excellent results Alfred, SPOD material!
The Skybender did a good job there. Now to do the same with the second filter.
by Dennis
Mon Mar 11, 2024 5:50 pm
Forum: This is SolarChat !!
Topic: Sun 2024-03-09 Timelapses and Closeups
Replies: 17
Views: 374

Re: Sun 2024-03-09 Timelapses and Closeups

Top animations and nice images.
by Dennis
Mon Mar 11, 2024 5:43 pm
Forum: This is SolarChat !!
Topic: Topaz Photo AI - opinions...? (+my latest image)
Replies: 27
Views: 734

Re: Topaz Photo AI - opinions...? (+my latest image)

I used Topaz AI on my best shot (version 2 first here) and tried Topaz. It's clean and a bit artistic for me, is it too much for the purists ? AR3435_22 sept 2023_version 2.jpg AR3435_22 sept 2023_version 3 Topaz clear.jpg Idk, looks a bit oversharpened to me. I applied some unsharp masking to the ...
by Dennis
Sun Mar 10, 2024 12:12 pm
Forum: This is SolarChat !!
Topic: Ha and CaH sun, March 8, 2024
Replies: 14
Views: 245

Re: Ha and CaH sun, March 8, 2024

Glad you had some sun Franco, great FD images.
by Dennis
Sun Mar 10, 2024 11:10 am
Forum: This is SolarChat !!
Topic: EDF
Replies: 13
Views: 303

Re: EDF

Also check out this one. 2" Version should work well.

https://www.teleskop-express.de/en/antl ... erf2-17768
by Dennis
Sun Mar 10, 2024 8:58 am
Forum: This is SolarChat !!
Topic: 9 Mar '24 SS Full Disks and DS Lunt 50 with DayStar Quark
Replies: 12
Views: 254

Re: 9 Mar '24 SS Full Disks and DS Lunt 50 with DayStar Quark

Impressive closeup, seems to work very well.
by Dennis
Sat Mar 09, 2024 10:32 pm
Forum: This is SolarChat !!
Topic: Closeups of Group 3599 in Ha and Ca-k
Replies: 17
Views: 559

Re: Closeups of Group 3599 in Ha and Ca-k

Thanks all for your kind comments.

Oleg: The result is ~1A.
by Dennis
Sat Mar 09, 2024 1:22 pm
Forum: This is SolarChat !!
Topic: WL Disk and "close up"
Replies: 7
Views: 171

Re: WL Disk and "close up"

Good shots there.
by Dennis
Sat Mar 09, 2024 1:12 pm
Forum: This is SolarChat !!
Topic: Lichtenknecker AR150/F24 8.3.
Replies: 15
Views: 342

Re: Lichtenknecker AR150/F24 8.3.

Very nice closeups Petr.
by Dennis
Fri Mar 08, 2024 8:47 pm
Forum: This is SolarChat !!
Topic: 2 hours 15 minutes timelapse of AR13599 and 13600 in H-Alpha 7th of March 2024
Replies: 16
Views: 405

Re: 2 hours 15 minutes timelapse of AR13599 and 13600 in H-Alpha 7th of March 2024

Looks awesome Arne, how are your experiences with AS4? For now i didnt try it out.
by Dennis
Fri Mar 08, 2024 8:43 pm
Forum: This is SolarChat !!
Topic: Just a quick test today March 8th, 2024
Replies: 5
Views: 162

Re: Just a quick test today March 8th, 2024

Knowing how much efford and how long it takes to produce and get a premium etalon like this i have to admit it hurt a bit to read this.
But then again i dont think that there will be sub 0 temperatures in a house, even if not heated. I assume it still works.
by Dennis
Fri Mar 08, 2024 11:52 am
Forum: This is SolarChat !!
Topic: 8 March 2024
Replies: 14
Views: 297

Re: 8 March 2024

Very nice closeups and animation.
by Dennis
Fri Mar 08, 2024 9:00 am
Forum: Solar Astronomy Shop and Swap
Topic: Lunt 40 ST 40/400 LS40T Ha B500
Replies: 0
Views: 162

Lunt 40 ST 40/400 LS40T Ha B500

Hi,

Selling a Lunt 40mm single stack solar telescope. Perfect working condition. Comes in a original Lunt Box.
1099€ + shipping (EU wide).

Regards
Dennis
by Dennis
Fri Mar 08, 2024 7:15 am
Forum: This is SolarChat !!
Topic: Closeups of Group 3599 in Ha and Ca-k
Replies: 17
Views: 559

Re: Closeups of Group 3599 in Ha and Ca-k

Thanks guys, hopefully more imaging today.
by Dennis
Thu Mar 07, 2024 7:21 pm
Forum: Solar Scope Modifications
Topic: PST stage 2 mod :ERF question.
Replies: 5
Views: 179

Re: PST stage 2 mod :ERF question.

To me the Antlia 2" version looks like a nice solution for a 70mm refractor.
If only this was available when i started out with my Quark and a 100mm refractor.
by Dennis
Thu Mar 07, 2024 4:33 pm
Forum: This is SolarChat !!
Topic: Closeups of Group 3599 in Ha and Ca-k
Replies: 17
Views: 559

Closeups of Group 3599 in Ha and Ca-k

Hi,
today was the first time good seeing this year, so for me the season is opened finally.
I played a bit with the Quark + Lunt 40 combination and with the Ca-k filters.

Thanks for looking and have a good day.
Dennis
by Dennis
Thu Mar 07, 2024 4:27 pm
Forum: This is SolarChat !!
Topic: Sun FD in H-Alpha, CaK and Continuum March 6th 2024
Replies: 18
Views: 446

Re: Sun FD in H-Alpha, CaK and Continuum March 6th 2024

Perfect FD images, thanks Arne.
by Dennis
Thu Mar 07, 2024 4:25 pm
Forum: This is SolarChat !!
Topic: Sun:Cak-White light-H-alpha:from Oleg in UKRAINE
Replies: 390
Views: 56798

Re: Sun:Cak-White light-H-alpha:from Oleg in UKRAINE

Good ones Oleg. Looks like seeing was great.