Search found 1237 matches

by JohnW
Thu Mar 28, 2024 9:46 am
Forum: This is SolarChat !!
Topic: 28 March 2024
Replies: 5
Views: 43

Re: 28 March 2024

A nice set of images of this AR. I like the second last image best.
by JohnW
Thu Mar 28, 2024 3:29 am
Forum: This is SolarChat !!
Topic: 27 March 2024 Full Disk White Light
Replies: 3
Views: 40

Re: 27 March 2024 Full Disk White Light

Its been interesting to follow the evolution of AR3615 - maybe it will return?
Thanks for posting.
by JohnW
Wed Mar 27, 2024 9:18 pm
Forum: This is SolarChat !!
Topic: 26th March 2024
Replies: 8
Views: 186

Re: 26th March 2024

Thank you for your comments Peter and Alexandra. Best solar wishes to all for easter.
by JohnW
Wed Mar 27, 2024 2:49 am
Forum: This is SolarChat !!
Topic: 26th March 2024
Replies: 8
Views: 186

Re: 26th March 2024

Thanks James.
by JohnW
Tue Mar 26, 2024 9:22 pm
Forum: This is SolarChat !!
Topic: 26th March 2024
Replies: 8
Views: 186

Re: 26th March 2024

Thanks Mark.
by JohnW
Tue Mar 26, 2024 4:32 am
Forum: This is SolarChat !!
Topic: 26th March 2024
Replies: 8
Views: 186

26th March 2024

26th March. SE Australia. A nice sunny day with good sky conditions. The large active region AR3615 continues to evolve into a nice cluster as it moves across the sun towards the western limb. The first image at 540 nm shows its position today together with the other sunspot regions. The second imag...
by JohnW
Mon Mar 25, 2024 1:03 am
Forum: This is SolarChat !!
Topic: 24th March Solar images
Replies: 5
Views: 123

24th March Solar images

24th March. Shown are 3 images of the sunspots at 540 nm taken on 20th, 22nd and 24th March to show the changes that have taken place. The most prominent sunspot group at the moment is AR3615. The last image shows this AR in the Ha wavelength 656 nm. All are single exposures with a Canon 550d camera...
by JohnW
Mon Mar 25, 2024 12:50 am
Forum: This is SolarChat !!
Topic: Sunday Sun 24th March 2024
Replies: 20
Views: 337

Re: Sunday Sun 24th March 2024

Really nice set of images Stuart. Well done.
Regards, John W.
by JohnW
Tue Mar 12, 2024 8:05 am
Forum: SPoD Archive
Topic: M7.4 flare on Sunday 10th March 2024
Replies: 9
Views: 103

Re: M7.4 flare on Sunday 10th March 2024

Nice images Petrus - well done.
Cheers, John W.
by JohnW
Tue Mar 12, 2024 8:05 am
Forum: This is SolarChat !!
Topic: M7.4 flare on Sunday 10th March 2024
Replies: 9
Views: 215

Re: M7.4 flare on Sunday 10th March 2024

Nice images Petrus - well done.
Cheers, John W.
by JohnW
Sun Mar 10, 2024 12:17 am
Forum: This is SolarChat !!
Topic: 10th March - 3 days of sunspots
Replies: 7
Views: 172

10th March - 3 days of sunspots

10th March. SE Australia. Very hot here - we have 3 days in a row of over 37°C temps. Here are three images I managed to take of the sunspots - 7th March, 8th March and 10th March. All single exposures with Canon 550d and Herschel wedge at 540 nm. The prominent AR is 3599. Mostly small sunspots. Tha...
by JohnW
Sun Mar 10, 2024 12:11 am
Forum: This is SolarChat !!
Topic: Comparison FD's in Continuum and G-band! 09-03-2024
Replies: 15
Views: 356

Re: Comparison FD's in Continuum and G-band! 09-03-2024

Interesting comparison Ivan - well done.
Cheers,
John W.
by JohnW
Sun Mar 10, 2024 12:06 am
Forum: This is SolarChat !!
Topic: 9 March 2024
Replies: 10
Views: 255

Re: 9 March 2024

Nice images of the proms Ralph - well done.
Cheers,
John W
by JohnW
Sun Mar 10, 2024 12:05 am
Forum: This is SolarChat !!
Topic: Ha and CaH sun, March 8, 2024
Replies: 14
Views: 245

Re: Ha and CaH sun, March 8, 2024

Good work Franco - even with poor seeing.
Regards, John W.
by JohnW
Thu Mar 07, 2024 12:48 am
Forum: This is SolarChat !!
Topic: 6 March 2024
Replies: 11
Views: 279

Re: 6 March 2024

Nice prominence images.
Thanks,
John W.
by JohnW
Tue Mar 05, 2024 9:19 pm
Forum: This is SolarChat !!
Topic: 5 March 2024
Replies: 11
Views: 213

Re: 5 March 2024

Nice set of images Ralph - esp. the colour ones.
by JohnW
Tue Mar 05, 2024 9:18 pm
Forum: This is SolarChat !!
Topic: Sun FD in H-Alpha, CaK and Continuum March 5th 2024
Replies: 15
Views: 342

Re: Sun FD in H-Alpha, CaK and Continuum March 5th 2024

Nice set of images Arne - well done.
Regards, John W.
by JohnW
Mon Mar 04, 2024 8:00 am
Forum: This is SolarChat !!
Topic: 2nd March. Sunspot cycle update
Replies: 11
Views: 275

Re: 2nd March. Sunspot cycle update

Thank you, Franco, Eric, and Arne.
We will watch this months solar activity with interest.
by JohnW
Sun Mar 03, 2024 2:09 am
Forum: This is SolarChat !!
Topic: Full disk - Lunt 40mm BF600 first light! - March 2nd
Replies: 14
Views: 343

Re: Full disk - Lunt 40mm BF600 first light! - March 2nd

Welcome Antonio - your first image is pretty good.
Keep experimenting is my recommendation.
Regards,
John W (Australia).
by JohnW
Sat Mar 02, 2024 9:57 pm
Forum: This is SolarChat !!
Topic: 2nd March. Sunspot cycle update
Replies: 11
Views: 275

Re: 2nd March. Sunspot cycle update

Thank you everybody - lets see what March brings.
Cheers, John W
by JohnW
Sat Mar 02, 2024 2:53 am
Forum: This is SolarChat !!
Topic: 2nd March. Sunspot cycle update
Replies: 11
Views: 275

2nd March. Sunspot cycle update

2nd March. Its the start of March so time for an update on the progress of Solar cycle 25. February saw a slight increase in the mean sunspot number from 123.0 for January to 124.7 for February. Two graphs are shown - the first from the Australian SWS, and the second from the USA / SWPC. Both use a ...
by JohnW
Thu Feb 29, 2024 12:47 am
Forum: This is SolarChat !!
Topic: SUN February 29th
Replies: 11
Views: 322

Re: SUN February 29th

Thank you Richard - well recorded.
Cheers, John W
by JohnW
Wed Feb 28, 2024 10:41 am
Forum: This is SolarChat !!
Topic: Sunday Sunshine 25th February
Replies: 15
Views: 337

Re: Sunday Sunshine 25th February

Really nice comparative set of images Mark.
regards,
John W
by JohnW
Wed Feb 28, 2024 7:52 am
Forum: This is SolarChat !!
Topic: Brief Slooh Ha and SDO HMI continuum. AR13590. 2-27-24
Replies: 10
Views: 237

Re: Brief Slooh Ha and SDO HMI continuum. AR13590. 2-27-24

That big sunspot is still there - thanks James.
by JohnW
Wed Feb 28, 2024 7:51 am
Forum: This is SolarChat !!
Topic: Full Disc 27-02-2024
Replies: 12
Views: 283

Re: Full Disc 27-02-2024

Nice images Rainer - well recorded.
by JohnW
Tue Feb 27, 2024 9:46 pm
Forum: This is SolarChat !!
Topic: 27th Feb That large sunspot
Replies: 9
Views: 256

Re: 27th Feb That large sunspot

Thank you everybody for your comments.
Cheers, John W.
by JohnW
Tue Feb 27, 2024 8:03 am
Forum: This is SolarChat !!
Topic: Sunshine at last!
Replies: 21
Views: 420

Re: Sunshine at last!

Nice report Alexandra - thanks for the images and story.
regards, John W.
by JohnW
Tue Feb 27, 2024 4:01 am
Forum: This is SolarChat !!
Topic: 430 and 540 nanometer Imaging. 2-26-24
Replies: 37
Views: 959

Re: 430 and 540 nanometer Imaging. 7-26-24

Nice report and images James - well done.
At least there are some interesting ARs at the moment.
Regards,
John W
by JohnW
Tue Feb 27, 2024 3:44 am
Forum: This is SolarChat !!
Topic: 27th Feb That large sunspot
Replies: 9
Views: 256

27th Feb That large sunspot

27th Feb. SE Australia (summer) Today's sky conditions were fairly good for some more images of that large sunspot region AR 3590 in the NW sector of the Sun. I have three iamges - the first at 540 nm to show the sunspot locations and the other two images at 656 nm (H alpha). All images are single e...
by JohnW
Tue Feb 27, 2024 3:37 am
Forum: This is SolarChat !!
Topic: Sunspot Progression with the Seestar 2/25 - 2/26/2024
Replies: 12
Views: 255

Re: Sunspot Progression with the Seestar 2/25 - 2/26/2024

Nice presentation Warren - well done.
by JohnW
Fri Feb 16, 2024 11:01 pm
Forum: Sunlit Earth
Topic: Aurora 13th / 14th February
Replies: 11
Views: 337

Re: Aurora 13th / 14th February

Well done Mark - I really like your story and images. It was worth the effort.
Regards,
John W
by JohnW
Wed Feb 14, 2024 9:16 pm
Forum: This is SolarChat !!
Topic: 14th Feb 3 days of sunspots
Replies: 10
Views: 751

Re: 14th Feb 3 days of sunspots

Thank you everybody for your comments. It will be interesting to see what the rest of this month brings.
Regards, John W
by JohnW
Wed Feb 14, 2024 4:40 am
Forum: This is SolarChat !!
Topic: 14th Feb 3 days of sunspots
Replies: 10
Views: 751

14th Feb 3 days of sunspots

14th Feb. I have posted here three images of sunspots taken 48 hrs apart. Sky conditions varied greatly during this time period but you can see the changes taking place. The largest spot was AR 3576. Looks like this might be an active month. All images are single exposures with a Canon 550d camera a...
by JohnW
Wed Feb 14, 2024 4:37 am
Forum: This is SolarChat !!
Topic: Feb 13 H-alpha sun.
Replies: 8
Views: 190

Re: Feb 13 H-alpha sun.

Terrific image Peter - well recorded - lots of detail.
by JohnW
Wed Feb 14, 2024 12:59 am
Forum: This is SolarChat !!
Topic: Prom disc 12-2-24 Ha
Replies: 8
Views: 257

Re: Prom disc 12-2-24 Ha

Looks like a solar eclipse ! Well done.
by JohnW
Fri Feb 09, 2024 1:44 am
Forum: This is SolarChat !!
Topic: Full Disc 08-02-2024
Replies: 8
Views: 243

Re: Full Disc 08-02-2024

Nice images Rainer - good detail.
by JohnW
Thu Feb 08, 2024 7:23 am
Forum: This is SolarChat !!
Topic: 8th Feb Large sunspot
Replies: 8
Views: 525

Re: 8th Feb Large sunspot

Please note, the sunspot images were taken at 540 nm not WL (which uses the whole visible spectrum).
Thanks.
by JohnW
Thu Feb 08, 2024 1:39 am
Forum: This is SolarChat !!
Topic: 8th Feb Large sunspot
Replies: 8
Views: 525

8th Feb Large sunspot

8th Feb. SE Australia.. There is a nice large sunspot group AR3576 that is currently travelling across the Sun's disc (E to W). I measured it this morning at approx. 145,000 km across x 72,400 wide. The first and second images shows it and the other sunspots at 540 nm. The third image shows the east...
by JohnW
Thu Feb 08, 2024 1:26 am
Forum: This is SolarChat !!
Topic: Imaging in 393.3nm Today. 2-7-24
Replies: 21
Views: 599

Re: Imaging in 393.3nm Today. 2-7-24

Interesting to see the AR's at this wavelength James - well recorded.
Cheers, John W
by JohnW
Wed Feb 07, 2024 7:30 am
Forum: This is SolarChat !!
Topic: 7 Febuary 2024
Replies: 15
Views: 379

Re: 7 Febuary 2024

Nice set of images. Well done.
by JohnW
Wed Feb 07, 2024 5:30 am
Forum: This is SolarChat !!
Topic: 6th Feb Solar images
Replies: 11
Views: 364

Re: 6th Feb Solar images

Thank you everybody for your comments. James - glad you noticed the floater.
by JohnW
Wed Feb 07, 2024 5:29 am
Forum: This is SolarChat !!
Topic: Sol from the 4th and 5th of February 2024.
Replies: 14
Views: 532

Re: Sol from the 4th and 5th of February 2024.

Lots of detail Eric - well done. Extremely sharp.
by JohnW
Wed Feb 07, 2024 5:27 am
Forum: This is SolarChat !!
Topic: February 6th - Ha Set
Replies: 12
Views: 416

Re: February 6th - Ha Set

Nice set of close up images Brian. Well done.
Regards, John W.
by JohnW
Tue Feb 06, 2024 2:23 am
Forum: This is SolarChat !!
Topic: 6th Feb Solar images
Replies: 11
Views: 364

6th Feb Solar images

6th Feb (SE Australia) I was nearly not going to image today as the sky was rough and it was very windy. However I managed a few images at two wavelengths. The first image shows the sunspots at 540 nm - there is an interesting group AR 3576 showing development on the eastern sector. Also 3571 and 35...
by JohnW
Mon Feb 05, 2024 1:47 am
Forum: This is SolarChat !!
Topic: 3rd Feb Sunspot report and C25 update..
Replies: 10
Views: 411

Re: 3rd Feb Sunspot report and C25 update..

Thank you everybody for your comments. We'll see what the rest of this year brings as far as solar activity goes.
Cheers, John W.
by JohnW
Sat Feb 03, 2024 2:43 am
Forum: This is SolarChat !!
Topic: 3rd Feb Sunspot report and C25 update..
Replies: 10
Views: 411

3rd Feb Sunspot report and C25 update..

3rd Feb. A nice sunny morning here in SE Australia allowed me to capture an image of the sunspots. Mostly small but there are a few of them. The av. monthly sunspot number for January was 123.0 (up slightly on Decembers figure) and so I have included updated graphs to show how cycle 25 is going. The...
by JohnW
Sat Feb 03, 2024 2:32 am
Forum: This is SolarChat !!
Topic: Activity on the SE Limb 2/2/2024
Replies: 17
Views: 540

Re: Activity on the SE Limb 2/2/2024

Nice details Warren - well recorded.
Regards, John W
by JohnW
Sat Feb 03, 2024 1:00 am
Forum: This is SolarChat !!
Topic: 2 February 2024
Replies: 9
Views: 417

Re: 2 February 2024

Nice set of images Ralph - lots to see.
Regards, John W