Search found 1261 matches

by JohnW
Sat Dec 30, 2023 12:16 am
Forum: This is SolarChat !!
Topic: Full disc through the clouds
Replies: 10
Views: 496

Re: Full disc through the clouds

Nice image Paulm. Whats the non-inverted image look like?
by JohnW
Fri Dec 29, 2023 8:58 pm
Forum: This is SolarChat !!
Topic: 29th Dec Solar images
Replies: 8
Views: 380

Re: 29th Dec Solar images

Thank you everyone for your comments. Best wishes for the new year. May we have lots of sun.
Cheers, John W.
by JohnW
Fri Dec 29, 2023 7:54 am
Forum: This is SolarChat !!
Topic: Seestar S50 | Solar & Lunar imaging (Raw Videos) | Pedro RE'
Replies: 14
Views: 869

Re: Seestar S50 | Solar & Lunar imaging (Raw Videos) | Pedro RE'

Looks like an interesting device Pedro - well recorded.
Cheers, John W
by JohnW
Fri Dec 29, 2023 3:19 am
Forum: This is SolarChat !!
Topic: 29th Dec Solar images
Replies: 8
Views: 380

29th Dec Solar images

29th Dec. SE Australia....Cloudy this morning but I managed to get a few images of the Sun thru gaps in the clouds. Sunspot activity has been fairly low but there are numerous filaments and flares. First image is at 540 nm to show the sunspots. Second and third images are at Ha wavelength (656 nm) t...
by JohnW
Sun Dec 24, 2023 9:53 pm
Forum: This is SolarChat !!
Topic: Another Seestar S50 FD 12/24/2023
Replies: 18
Views: 1099

Re: Another Seestar S50 FD 12/24/2023

Thats terrific for the S50 - well done.
Cheers, John W.
by JohnW
Fri Dec 22, 2023 11:55 pm
Forum: This is SolarChat !!
Topic: Sol from the 20th of December 2023.
Replies: 9
Views: 788

Re: Sol from the 20th of December 2023.

Nice detail Eric - well recorded.
Regards John W.
by JohnW
Wed Dec 20, 2023 9:07 pm
Forum: This is SolarChat !!
Topic: December 20 2023. Cloudy here so it's Slooh today.
Replies: 14
Views: 999

Re: December 20 2023. Cloudy here so it's Slooh today.

Certainly some interesting features on the sun at the moment.
Thanks James, Cheers John W.
by JohnW
Wed Dec 20, 2023 3:10 am
Forum: This is SolarChat !!
Topic: 20th Dec Large filament on Sun
Replies: 6
Views: 629

20th Dec Large filament on Sun

20th Dec (SE Australia) There is a large filament on the Sun in the NE sector. I measured it at around 466,000 km in length. A filament is a prominence seen against the Sun's surface rather than on the limb. Two Ha images are presented - one showing the NE sector and the other the SW sector. Both ar...
by JohnW
Sun Dec 17, 2023 9:19 am
Forum: This is SolarChat !!
Topic: 15th Dec Solar flare action
Replies: 13
Views: 915

Re: 15th Dec Solar flare action

Thank you everyone. It will be interesting to see what activity the Sun will produce for the rest of this year.
Cheers from John W.
by JohnW
Fri Dec 15, 2023 9:08 pm
Forum: This is SolarChat !!
Topic: 15th Dec Solar flare action
Replies: 13
Views: 915

Re: 15th Dec Solar flare action

Thank you everybody - always good to capture flares.
Maybe solar activity is on the rise again.
Cheers, John W
by JohnW
Fri Dec 15, 2023 8:23 am
Forum: This is SolarChat !!
Topic: Comet and X-flare SOHO
Replies: 10
Views: 758

Re: Comet and X-flare SOHO

A great event to see Steen.
Thanks, John W.
by JohnW
Fri Dec 15, 2023 7:32 am
Forum: SPoD Archive
Topic: 15th Dec Solar flare action
Replies: 5
Views: 447

Re: 15th Dec Solar flare action

Thanks James - yes also significant flaring around 3517. This is an pretty active region.
Regards, John W
by JohnW
Fri Dec 15, 2023 7:32 am
Forum: This is SolarChat !!
Topic: 15th Dec Solar flare action
Replies: 13
Views: 915

Re: 15th Dec Solar flare action

Thanks James - yes also significant flaring around 3517. This is an pretty active region.
Regards, John W
by JohnW
Fri Dec 15, 2023 3:30 am
Forum: SPoD Archive
Topic: 15th Dec Solar flare action
Replies: 5
Views: 447

15th Dec Solar flare action

15th Dec I was imaging the Sun this morning at the same time a solar flare was occurring near AR3514. This turned out to be the strongest flare so far for this year - an X2.8 flare. I have posted 3 images - this first shows the location of the sunspots including AR 3514, taken at 540 nm wavelength. ...
by JohnW
Fri Dec 15, 2023 3:30 am
Forum: This is SolarChat !!
Topic: 15th Dec Solar flare action
Replies: 13
Views: 915

15th Dec Solar flare action

15th Dec I was imaging the Sun this morning at the same time a solar flare was occurring near AR3514. This turned out to be the strongest flare so far for this year - an X2.8 flare. I have posted 3 images - this first shows the location of the sunspots including AR 3514, taken at 540 nm wavelength. ...
by JohnW
Thu Dec 14, 2023 3:31 am
Forum: This is SolarChat !!
Topic: Sun in Ha 12/13/2023
Replies: 12
Views: 659

Re: Sun in Ha 12/13/2023

An interesting set of images Warren - well recorded.
Regards,
John W
by JohnW
Fri Dec 08, 2023 12:45 am
Forum: This is SolarChat !!
Topic: 4th to 8th Dec Sunspot
Replies: 6
Views: 437

4th to 8th Dec Sunspot

Three images are shown of the sunspots on 4th, 6th and 8th December as a record of the movement and shape changes during this period. All are single exposures with a Canon 550d camera. A lot of small spots and a couple of larger ones. The most prominent spot is AR3507. IMG_5350 c.jpg IMG_5355 c.jpg ...
by JohnW
Thu Dec 07, 2023 2:00 am
Forum: This is SolarChat !!
Topic: Lots to observe in WL, CaK and Ha 12/6/2023
Replies: 10
Views: 534

Re: Lots to observe in WL, CaK and Ha 12/6/2023

Nice set of images Warren - well recorded. Regards, John W.
by JohnW
Sat Dec 02, 2023 6:00 am
Forum: This is SolarChat !!
Topic: 2 Dec. Sunspot number update
Replies: 6
Views: 439

2 Dec. Sunspot number update

2nd Dec. The month of November showed another fairly weak period of sunspot activity - the average monthly count was 105.4 which was slightly higher than the count for October (99.4). The graph shows the variation during this year till the end of November (source: Australian Bureau of Meteorology Sp...
by JohnW
Thu Nov 30, 2023 8:51 pm
Forum: This is SolarChat !!
Topic: Sol 24-11-23 Cak & WL
Replies: 7
Views: 487

Re: Sol 24-11-23 Cak & WL

Terrific CaK shots. Thanks Steve.
by JohnW
Wed Nov 29, 2023 9:58 pm
Forum: This is SolarChat !!
Topic: This is my first post
Replies: 15
Views: 811

Re: This is my first post

Welcome and keep the images coming.
Cheers from John W (Australia).
by JohnW
Wed Nov 29, 2023 9:56 pm
Forum: This is SolarChat !!
Topic: November 29 2023 Ha Observations.
Replies: 10
Views: 462

Re: November 29 2023 Ha Observations.

Plenty of features to observe at the moment James - good report.
Regards, John W
by JohnW
Wed Nov 29, 2023 9:54 pm
Forum: This is SolarChat !!
Topic: Almost an X Class 11/28/2023
Replies: 45
Views: 2309

Re: Almost an X Class 11/28/2023

Terrific captures Warren and well presented.
regards, John W.
by JohnW
Tue Nov 28, 2023 9:34 pm
Forum: This is SolarChat !!
Topic: 27th Nov Solar images from down under
Replies: 12
Views: 785

Re: 27th Nov Solar images from down under

Reply to DeepSolar 64.
Hi James, All my images are taken with the camera set for colour (not mono B&W and colourized during processing). And I don't do stacking just single exposures.
by JohnW
Tue Nov 28, 2023 9:30 pm
Forum: This is SolarChat !!
Topic: November 28 2023 Observations.
Replies: 7
Views: 399

Re: November 28 2023 Observations.

Good report James.
by JohnW
Tue Nov 28, 2023 12:47 am
Forum: This is SolarChat !!
Topic: Sol from the 25th of November 2023.
Replies: 10
Views: 857

Re: Sol from the 25th of November 2023.

Terrific images Eric - lots of detail. Must have taken a while to process.
Regards,
John W.
by JohnW
Mon Nov 27, 2023 8:22 am
Forum: This is SolarChat !!
Topic: Saturday Sunshine and clouds
Replies: 18
Views: 729

Re: Saturday Sunshine and clouds

Good variety of images Alexandra. Well recorded and presented despite the cloud.
Regards, John W.
by JohnW
Mon Nov 27, 2023 6:26 am
Forum: This is SolarChat !!
Topic: Sun FD in H-Alpha November 24th 2023
Replies: 9
Views: 719

Re: Sun FD in H-Alpha November 24th 2023

Really nice set of images Arne, esp. the aurora. Well done.
Cheers, John W.
by JohnW
Mon Nov 27, 2023 6:25 am
Forum: This is SolarChat !!
Topic: Saturdays Trio of Disks 25th November
Replies: 14
Views: 703

Re: Saturdays Trio of Disks 25th November

Nice set of images Mark - well done. Interesting to see you get better images at low temp.
Cheers, John W.
by JohnW
Mon Nov 27, 2023 3:46 am
Forum: This is SolarChat !!
Topic: 27th Nov Solar images from down under
Replies: 12
Views: 785

27th Nov Solar images from down under

27th Nov. Many features on the Sun today and a clear morning. The first image is at 540 nm to show the sunspots (lots of them). The active regions are labelled. The other 4 images are at Ha wavelength (656 nm) to show the filaments, prominences, flares and surface features. All are single exposures ...
by JohnW
Thu Nov 23, 2023 8:05 am
Forum: This is SolarChat !!
Topic: SUNocular Observations. Nov 22 2023.
Replies: 6
Views: 421

Re: SUNocular Observations. Nov 22 2023.

Good report James - regards, John W.
by JohnW
Thu Nov 23, 2023 8:03 am
Forum: This is SolarChat !!
Topic: Solar Sailing 1 hour animation NE limb
Replies: 15
Views: 951

Re: Solar Sailing 1 hour animation NE limb

Nice images Peter - an interesting region well recorded.
by JohnW
Wed Nov 08, 2023 8:59 pm
Forum: This is SolarChat !!
Topic: 8th Nov .. 3 days of Sunspots
Replies: 8
Views: 424

Re: 8th Nov .. 3 days of Sunspots

Thank you everybody for your comments. We seem to be in a quiet period of solar activity at the moment. We get the odd larger sunspot but nothing really large. Cheers, John W.
by JohnW
Wed Nov 08, 2023 2:43 am
Forum: This is SolarChat !!
Topic: 8th Nov .. 3 days of Sunspots
Replies: 8
Views: 424

8th Nov .. 3 days of Sunspots

8th Nov. I managed to get an image of the Sun on 3 successive days ... Nov 6th, 7th and 8th. Each pic was taken mid morning. The main sunspot group is AR 3477 with other smaller groups. Each image is a single exposure taken with a Canon 550d camera attached to an 81 mm WO refractor, Herschel wedge a...
by JohnW
Tue Nov 07, 2023 5:06 am
Forum: This is SolarChat !!
Topic: Sun in H-alpha and Calcium H-Line of 06.11.2023
Replies: 6
Views: 410

Re: Sun in H-alpha and Calcium H-Line of 06.11.2023

Nice detail in those images Ross - well done.
Regards,
John W.
by JohnW
Fri Nov 03, 2023 8:39 am
Forum: This is SolarChat !!
Topic: Updated sunspot count
Replies: 9
Views: 558

Re: Updated sunspot count

Thanks everyone for your comments ... it will be interesting to see what happens with sunspot numbers for the rest of this year. Will we see an increase in numbers or will the numbers keep dropping ??
Cheers, John W.
by JohnW
Wed Nov 01, 2023 10:47 pm
Forum: This is SolarChat !!
Topic: Updated sunspot count
Replies: 9
Views: 558

Updated sunspot count

2 Nov 2023. The end of October saw a decrease in the average daily sunspot count which came in at 99.4. The graph below shows the variations in the av. monthly count during this year. This low monthly count for October was expected as the size and number of sunspots was continually small compared to...
by JohnW
Thu Oct 26, 2023 7:35 am
Forum: This is SolarChat !!
Topic: October 25 2023 Observations. Calm Sun.
Replies: 6
Views: 839

Re: October 25 2023 Observations. Calm Sun.

James, things seem to be quiet lately on the Sun - will be interesting to see what happens over the next few months.
Regards, John W.
by JohnW
Thu Oct 26, 2023 7:33 am
Forum: This is SolarChat !!
Topic: Calcium Sun October 25, 2023
Replies: 12
Views: 1226

Re: Calcium Sun October 25, 2023

Nice set of images Franco - well done.
Cheers, John W.
by JohnW
Tue Oct 03, 2023 2:28 am
Forum: This is SolarChat !!
Topic: Oct 3rd Ha disk
Replies: 12
Views: 1669

Re: Oct 3rd Ha disk

A well recorded image - nice detail.
Cheers, John W.
by JohnW
Tue Oct 03, 2023 2:27 am
Forum: This is SolarChat !!
Topic: October 1st Ha Collection
Replies: 15
Views: 1923

Re: October 1st Ha Collection

Really nice detail in those images Brian - well done.
Regards, john W.
by JohnW
Mon Oct 02, 2023 9:38 pm
Forum: This is SolarChat !!
Topic: 2nd oct - Sunspot numbers
Replies: 6
Views: 1337

Re: 2nd oct - Sunspot numbers

Thank you everybody for your comments - it will be interesting to see sunspot numbers this month.
Cheers, John W
by JohnW
Mon Oct 02, 2023 12:40 am
Forum: This is SolarChat !!
Topic: 2nd oct - Sunspot numbers
Replies: 6
Views: 1337

2nd oct - Sunspot numbers

2nd October. The average sunspot count for September was 133.6 - this was higher than last month's figure of 114.9. The highest count for this year is 163.4 (June). The updated graph is shown below - the yellow line shows the average monthly count, the green line the smoothed count and the purple cr...
by JohnW
Mon Oct 02, 2023 12:31 am
Forum: This is SolarChat !!
Topic: September 30th Session
Replies: 15
Views: 1400

Re: September 30th Session

Nice detail in those images Brian - well done.
Cheers, John W
by JohnW
Mon Oct 02, 2023 12:29 am
Forum: This is SolarChat !!
Topic: Ha Sun October 1, 2023
Replies: 17
Views: 1973

Re: Ha Sun October 1, 2023

Nice images Franco - thanks for posting.
Cheers,
John W
by JohnW
Mon Sep 18, 2023 6:37 am
Forum: This is SolarChat !!
Topic: Sun September 17, 2023 - Ha
Replies: 11
Views: 452

Re: Sun September 17, 2023 - Ha

Nice close up images Franco. Interesting features.
Cheers, John W.
by JohnW
Mon Sep 18, 2023 1:44 am
Forum: This is SolarChat !!
Topic: Short morning session with AR210 16.09.
Replies: 5
Views: 269

Re: Short morning session with AR210 16.09.

Interesting captures Petr.
by JohnW
Mon Sep 18, 2023 1:42 am
Forum: This is SolarChat !!
Topic: The big prom and filament from Sept 16/23
Replies: 7
Views: 351

Re: The big prom and filament from Sept 16/23

Good captures Lou.
by JohnW
Sun Sep 17, 2023 7:36 am
Forum: This is SolarChat !!
Topic: 15th September 2023 France
Replies: 21
Views: 773

Re: 15th September 2023 France

Terrific detail in those images Alexandra. Well done.
by JohnW
Sun Sep 17, 2023 3:17 am
Forum: This is SolarChat !!
Topic: 17th Sept - Sun at two wavelengths.
Replies: 3
Views: 207

17th Sept - Sun at two wavelengths.

17th Sept. I have been following the large prominence on the SW limb for a few days. Better sky conditions today helped get better images. The first image shows the sunspots (taken at 540 nm), the second image at 656 nm (Ha) shows the SW sector of the Sun with the large prominence. Both images are s...