Search found 235 matches

by alex
Thu Nov 05, 2015 7:12 am
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: Sol in Eight Wavelengths.
Replies: 18
Views: 6525

Re: Sol in Eight Wavelengths.

That's truly awesome Peter!
by alex
Fri May 01, 2015 6:32 pm
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: White light non-spectrohelioscope
Replies: 5
Views: 3145

Re: White light non-spectrohelioscope

There's two ways to do this - during capture or post processing. Post processing thoughts first: It's possible to capture at a rate X then in software sample at a lower rate. Interpolation allows for fractional variation. This takes more imaging storage space but allows the fine tuning of the sampl...
by alex
Sun Nov 23, 2014 11:09 pm
Forum: Commercial Solar Filters/Cameras/Hardware
Topic: Measured finesse of the Coronado SM60 etalon.
Replies: 15
Views: 4498

Re: Measured finesse of the Coronado SM60 etalon.

Nice review Ken!

Thanks for sharing.

This might be interesting too http://www.astroshot.com/Solar/Solarmax60-analysis.pdf
by alex
Tue Sep 02, 2014 10:50 am
Forum: This is SolarChat !!
Topic: My first image with Daystar Quark
Replies: 12
Views: 1518

Re: My first image with Daystar Quark

Looks good Chris!

keep them coming!
by alex
Tue Aug 19, 2014 5:42 pm
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: 11Aug2014 PZ SHG: Ca H Disks
Replies: 4
Views: 1660

Re: 11Aug2014 PZ SHG: Ca H Disks

Very nice work Peter! :D
by alex
Mon Aug 11, 2014 11:18 am
Forum: This is SolarChat !!
Topic: 30 FPS image registration ..
Replies: 19
Views: 2764

Re: 30 FPS image registration ..

Nice to see the work in progress Nick :)

Good luck :)
by alex
Sun Aug 03, 2014 6:02 pm
Forum: This is SolarChat !!
Topic: The Sun 3 August 2014 white light
Replies: 3
Views: 643

Re: The Sun 3 August 2014 white light

Nice work Roger!
by alex
Sun Aug 03, 2014 6:00 pm
Forum: Commercial Solar Filters/Cameras/Hardware
Topic: DMK23U445
Replies: 0
Views: 8496

DMK23U445

Hello

does anyone have any experience with this model on WL and Ha solar imaging?

I am mostly interested in hearing about Newton's rings with this camera.

Cheers
Alex :)
by alex
Fri Aug 01, 2014 8:41 am
Forum: This is SolarChat !!
Topic: July 30, 2014. Excellent seeing. DS 150mmm.
Replies: 14
Views: 905

Re: July 30, 2014. Excellent seeing. DS 150mmm.

Very fine images Valery!
by alex
Wed Jul 23, 2014 9:25 am
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: New images with my SHG
Replies: 12
Views: 3646

Re: New images with my SHG

swisswalter wrote:Hi Phil

what a wonderful job. Congratulations
I'll second that!!
by alex
Sun Jul 20, 2014 9:07 am
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: 15Jul2014 PZ SHG: H alpha and He D3
Replies: 10
Views: 2320

Re: 15Jul2014 PZ SHG: H alpha and He D3

Nice work,Peter!

Keep them coming :shock:
by alex
Mon Jul 14, 2014 8:17 am
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: Some interesting Ca H Spectra
Replies: 19
Views: 4283

Re: Some interesting Ca H Spectra

That's truly amazing Peter!
by alex
Thu Jul 10, 2014 7:38 am
Forum: This is SolarChat !!
Topic: Sun Halo
Replies: 5
Views: 419

Re: Sun Halo

That's a pleasure to look at :)
by alex
Tue Jul 08, 2014 12:46 pm
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: 20140705 Wah!'s SHG Halpha Sun
Replies: 13
Views: 3005

Re: 20140705 Wah!'s SHG Halpha Sun

Great work Wah!
by alex
Sun Jul 06, 2014 4:56 pm
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: 03Jul2014 PZ SHG: 2nd installment: Ca H Disks
Replies: 6
Views: 1846

Re: 03Jul2014 PZ SHG: 2nd installment: Ca H Disks

Great results and they are always improving!

Nice work Peter :)
by alex
Sat Jul 05, 2014 1:09 pm
Forum: This is SolarChat !!
Topic: Thursdays Sun - So many spots, white light binge!
Replies: 16
Views: 1192

Re: Thursdays Sun - So many spots, white light binge!

These are beautiful shots Chris!
by alex
Wed Jul 02, 2014 11:22 am
Forum: This is SolarChat !!
Topic: The sun today, and a new camera
Replies: 14
Views: 1216

Re: The sun today, and a new camera

Nice work Gordon!

Do you get any Newton's rings with this camera?
by alex
Wed Jul 02, 2014 7:16 am
Forum: This is SolarChat !!
Topic: First light with 314l+.
Replies: 14
Views: 1142

Re: First light with 314l+.

That's a great start Gus :geek:
by alex
Sat Jun 28, 2014 11:15 am
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: 21Jun2014 PZ SHG: 2nd installment: CaH Arch Prom
Replies: 17
Views: 3516

Re: 21Jun2014 PZ SHG: 2nd installment: CaH Arch Prom

Very nice work and analysis Peter!

Glad to see that you figured the Dopplergram out!
by alex
Mon Jun 23, 2014 5:09 am
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: 13Jun2014 PZ SHG: Ca H Proms
Replies: 18
Views: 3950

Re: 13Jun2014 PZ SHG: Ca H Proms

Yes indeed!
by alex
Sun Jun 22, 2014 6:27 pm
Forum: This is SolarChat !!
Topic: White Light Weekend
Replies: 12
Views: 1087

Re: White Light Weekend

They are all really good!

My favorite is also the second.

Bardzo fajnie!
by alex
Sun Jun 22, 2014 4:54 pm
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: 21 June : Ha with SHG
Replies: 16
Views: 4332

Re: 21 June : Ha with SHG

I think GIMP should do the job.

However last December Adobe released for free the CS2 version of Photoshop.

http://www.techspot.com/downloads/3689- ... p-cs2.html
by alex
Sun Jun 22, 2014 7:28 am
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: 13Jun2014 PZ SHG: Ca H Proms
Replies: 18
Views: 3950

Re: 13Jun2014 PZ SHG: Ca H Proms

Thanks for that link Peter!

I guess the wavelength difference makes sense,becaus eit is also in the redshift formula.
Looking forward to see how you go on :)
by alex
Sat Jun 21, 2014 5:57 pm
Forum: This is SolarChat !!
Topic: AR2093 - AR2094 in hires with C14HD
Replies: 10
Views: 819

Re: AR2093 - AR2094 in hires with C14HD

Awesome details Alessandro!
by alex
Sat Jun 21, 2014 5:56 pm
Forum: This is SolarChat !!
Topic: Friday Afternoon Full Disk 20th June
Replies: 20
Views: 1188

Re: Friday Afternoon Full Disk 20th June

Nice work Mark!

That FD image has a great 3D perspective!
by alex
Sat Jun 21, 2014 12:19 pm
Forum: This is SolarChat !!
Topic: SUN (20140620) with GOOD seeing (3 lights)
Replies: 32
Views: 2305

Re: SUN (20140620) with GOOD seeing (3 lights)

They are all excellent Pedro!
by alex
Sat Jun 21, 2014 11:25 am
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: 21 June : Ha with SHG
Replies: 16
Views: 4332

Re: 21 June : Ha with SHG

Looking good!
by alex
Sat Jun 21, 2014 6:31 am
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: 13Jun2014 PZ SHG: Ca H Proms
Replies: 18
Views: 3950

Re: 13Jun2014 PZ SHG: Ca H Proms

Hello Peter! I'd do exactly what you did. This is interesting so I will check if there's more to be done. You're ,really,been doing nice and interesting work! Cheers Alex BTW it seems I've missed this post http://solarchat.natca.net/viewtopic.php?f=4&t=6265 Just referring to it as a comparison.
by alex
Fri Jun 20, 2014 6:02 pm
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: 13Jun2014 PZ SHG: Ca H Proms
Replies: 18
Views: 3950

Re: 13Jun2014 PZ SHG: Ca H Proms

Amazing work Peter!
Have you tried to colour each image with a different Doppler shift and then stack them?
by alex
Sun Jun 15, 2014 8:24 pm
Forum: This is SolarChat !!
Topic: 14 June 2014 western limb
Replies: 9
Views: 439

Re: 14 June 2014 western limb

Nice animation Andy!
by alex
Sun Jun 15, 2014 8:23 pm
Forum: This is SolarChat !!
Topic: The Sun 12 June 2014 white light
Replies: 7
Views: 370

Re: The Sun 12 June 2014 white light

Nice work Roger!

How did you put the grid on your photos?
Did you use the BASS 2000 site?

Cheers
Alex
by alex
Sun Jun 15, 2014 6:21 pm
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: 13Jun2014 PZ SHG: Ca H images
Replies: 16
Views: 3560

Re: 13Jun2014 PZ SHG: Ca H images

Great work! :geek: :geek:
by alex
Mon Jun 09, 2014 7:33 am
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: G2 Geomagnetic Storm- Magnetometer response
Replies: 3
Views: 1492

Re: G2 Geomagnetic Storm- Magnetometer response

Very nice Stu!

I want to try to build one too!
by alex
Fri Jun 06, 2014 5:21 pm
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: 03Jun2014 PZ's SHG Images: He D3
Replies: 13
Views: 3330

Re: 03Jun2014 PZ's SHG Images: He D3

Very nice and very interesting Peter!

Do you know why we have the H3 limb is so brightening?
by alex
Fri Jun 06, 2014 5:17 pm
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: cak and Ha with SHG
Replies: 5
Views: 1434

Re: cak and Ha with SHG

Keep them coming Vincent!
by alex
Thu Jun 05, 2014 6:58 pm
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: 03Jun2014 PZ's SHG Images: CaII K3, CaII K1v
Replies: 6
Views: 1914

Re: 03Jun2014 PZ's SHG Images: CaII K3, CaII K1v

Great results Peter!
I am interested to see how you move on!
by alex
Sat May 31, 2014 6:16 pm
Forum: This is SolarChat !!
Topic: Massive proms on 31th of may (+anim)
Replies: 26
Views: 1860

Re: Massive proms on 31th of may

Very impressive Neo!
by alex
Sat May 31, 2014 6:13 pm
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: Poster about the Nov,2013 TSE
Replies: 7
Views: 1867

Re: Poster about the Nov,2013 TSE

I hope so too Peter! Here is a presentation about eclipse chasing http://astrospectroscopy.de/Tagung2011/Voulgaris.pdf and two papers. http://arxiv.org/ftp/arxiv/papers/1202/1202.1535.pdf http://arxiv.org/ftp/arxiv/papers/0911/0911.0325.pdf All instruments are made by the amateur astronomer Aristidi...
by alex
Sat May 31, 2014 6:46 am
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: 22May2014 SHG images: 2nd installment.
Replies: 15
Views: 3645

Re: 22May2014 SHG images: 2nd installment.

I am really enjoying this thread!

Thank you guys :)
by alex
Sat May 31, 2014 6:42 am
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: Poster about the Nov,2013 TSE
Replies: 7
Views: 1867

Re: Poster about the Nov,2013 TSE

Sure thing Walter :D
by alex
Fri May 30, 2014 6:23 pm
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: Poster about the Nov,2013 TSE
Replies: 7
Views: 1867

Re: Poster about the Nov,2013 TSE

Glad you liked it guys!

I will let you know when the paper gets published. :D