Search found 1359 matches

by p_zetner
Fri Jun 18, 2021 12:25 pm
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: Why is the Sun visible with 3D Laser Scanning?
Replies: 8
Views: 17

Re: Why is the Sun visible with 3D Laser Scanning?

Hi. If this is a 3D time-of-flight scanner, then it operates by measuring the time interval between a start laser pulse (launched by the device) and the reflected version of this pulse received at the scanner. The pulse is launched, the scanner's internal counting electronics starts whirring away an...
by p_zetner
Thu Jun 17, 2021 5:45 pm
Forum: This is SolarChat !!
Topic: 15June: Hi-Res H-alpha of Proms and AR12833
Replies: 9
Views: 104

Re: 15June: Hi-Res H-alpha of Proms and AR12833

Thanks Chris and Alexandra! Sometimes I think I get a bit heavy handed with the sharpening and a little too timid with the levels / contrast. Here are reprocessed versions of the highest magnification AR images. I'm trying to get a bit more "drama" without sacrificing detail. Any feedback ...
by p_zetner
Wed Jun 16, 2021 3:46 pm
Forum: This is SolarChat !!
Topic: 15June: Hi-Res H-alpha of Proms and AR12833
Replies: 9
Views: 104

Re: 15June: Hi-Res H-alpha of Proms and AR12833

Thanks Valery!
I hope to experiment with the Lunt/Daystar double stack one of these days soon.
All the best.
Peter
by p_zetner
Wed Jun 16, 2021 3:22 pm
Forum: This is SolarChat !!
Topic: 15June: Hi-Res H-alpha of Proms and AR12833
Replies: 9
Views: 104

15June: Hi-Res H-alpha of Proms and AR12833

Hi Everyone. Here are the results of a June 15 imaging session with above average seeing conditions. The C8 Edge / Daystar 0.6QPE system was used with a slight modification to my telecentric focal extender to give higher magnification (focal ratio f/60). The first AR image was taken at f/60 while th...
by p_zetner
Tue Jun 15, 2021 12:12 am
Forum: This is SolarChat !!
Topic: Ca K partial eclipse - June 10, 2021
Replies: 6
Views: 74

Re: Ca K partial eclipse - June 10, 2021

Your CaK disks are always superb, Christian.
Cheers.
Peter
by p_zetner
Tue Jun 15, 2021 12:11 am
Forum: This is SolarChat !!
Topic: june 13th + NEW ANIMATION
Replies: 11
Views: 119

Re: june 13th

Stunning closeup!
by p_zetner
Sat Jun 12, 2021 4:31 pm
Forum: This is SolarChat !!
Topic: Eclipse this morning
Replies: 12
Views: 164

Re: Eclipse this morning

Thanks for sharing your experience, Daniel.
Cheers.
Peter
by p_zetner
Sat Jun 12, 2021 4:27 pm
Forum: This is SolarChat !!
Topic: Partial Solar Eclipse (20210610)
Replies: 19
Views: 170

Re: Partial Solar Eclipse (20210610)

Great results, Pedro.
Thanks for posting these.
Cheers.
Peter
by p_zetner
Sat Jun 12, 2021 4:25 pm
Forum: This is SolarChat !!
Topic: AR2829 with Prom & AR2832, HA & CaK | June 11th 2021
Replies: 4
Views: 63

Re: AR2829 with Prom & AR2832, HA & CaK | June 11th 2021

Beautiful results, Marty, particularly the closeups.
Cheers
Peter
by p_zetner
Sat Jun 12, 2021 4:22 pm
Forum: This is SolarChat !!
Topic: Sol from the 8th of June 2021.
Replies: 5
Views: 56

Re: Sol from the 8th of June 2021.

Beautiful series, Eric.
The Ca disk just crackles!
Cheers.
Peter
by p_zetner
Sat Jun 12, 2021 4:21 pm
Forum: This is SolarChat !!
Topic: June 11, 2021 WL spots, Ha ARs, prom
Replies: 10
Views: 98

Re: June 11, 2021 WL spots, Ha ARs, prom

Beautiful series, Phil.
Cheers.
Peter
by p_zetner
Sat Jun 12, 2021 4:20 pm
Forum: This is SolarChat !!
Topic: June 11 Proms
Replies: 9
Views: 84

Re: June 11 Proms

Very nice proms.
Cheers.
Peter
by p_zetner
Sat Jun 12, 2021 4:20 pm
Forum: SPoD Archive
Topic: June 11 Proms
Replies: 6
Views: 31

Re: June 11 Proms

Very nice proms.
Cheers.
Peter
by p_zetner
Fri Jun 11, 2021 8:51 pm
Forum: Sunlit Earth
Topic: Deep Sky images from a Bortles Class 9 white zone
Replies: 7
Views: 73

Re: Deep Sky images from a Bortles Class 9 white zone

These are amazing results for wideband sources from your location, Douglas!
Perhaps I’ll try my hand at some deep space imaging with this type of filter.
Thanks for posting your results.
Cheers.
Peter
by p_zetner
Wed Jun 09, 2021 1:36 am
Forum: This is SolarChat !!
Topic: huge day on June 7th
Replies: 15
Views: 169

Re: huge day on June 7th

Some beautiful work, Paul.
Cheers.
Peter
by p_zetner
Wed Jun 09, 2021 1:35 am
Forum: This is SolarChat !!
Topic: Sol from the 6th of June 2021.
Replies: 9
Views: 111

Re: Sol from the 6th of June 2021.

Lovely series, Eric.
Some of the prom shots are beautifully “wispy”!
Cheers.
Peter
by p_zetner
Wed Jun 09, 2021 1:33 am
Forum: This is SolarChat !!
Topic: Deep inside AR2829 June 8
Replies: 20
Views: 196

Re: Deep inside AR2829

Beautiful image, Maurits.
Very sharp for poor seeing!
Cheers.
Peter
by p_zetner
Tue Jun 08, 2021 3:50 am
Forum: This is SolarChat !!
Topic: Saturday Ha Sun 250mm RCT 5th June 2021
Replies: 14
Views: 249

Re: Saturday Ha Sun 250mm RCT 5th June 2021

Beautiful close-ups , Stu.
Glad you had the chance to image with the RC scope.
Cheers.
Peter
by p_zetner
Mon Jun 07, 2021 2:54 pm
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: Fun with the SHG
Replies: 10
Views: 160

Re: Fun with the SHG

Very nice result, Paul.
Lots of other spectral lines to explore!
Cheers.
Peter
by p_zetner
Sat Jun 05, 2021 2:44 pm
Forum: This is SolarChat !!
Topic: Today's SUN (20210604) | LUNT152 Good seeing
Replies: 8
Views: 207

Re: Today's SUN (20210604) | LUNT152 Good seeing

Great set of images, Pedro.
Cheers.
Peter
by p_zetner
Sat Jun 05, 2021 2:42 pm
Forum: This is SolarChat !!
Topic: June 3, 2021 AR12827 and AR12829 WL,Ha
Replies: 11
Views: 160

Re: June 3, 2021 AR12827 and AR12829 WL,Ha

Beautiful results (and location) , Phil.
Cheers.
Peter
by p_zetner
Sat Jun 05, 2021 2:37 pm
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: Spectroheliograph built with foam board and a hot glue gun
Replies: 5
Views: 171

Re: Spectroheliograph built with foam board and a hot glue gun

That’s a very nice result, Douglas.
I would have never guessed foam board to be a workable material but your design looks very solid.
Cheers.
Peter
by p_zetner
Sat Jun 05, 2021 1:08 am
Forum: This is SolarChat !!
Topic: 4.06.2021 Massive double flare near AR12827 at 17.46[CET]
Replies: 13
Views: 136

Re: 4.06.2021 Massive double flare near AR12827 at 17.46[CET]

An impressive capture!
From viewing the video, I get the impression your seeing is quite reasonable.
Cheers.
Peter
by p_zetner
Sat Jun 05, 2021 1:05 am
Forum: This is SolarChat !!
Topic: 2021-06-02 - AR2827 in CaK
Replies: 15
Views: 170

Re: 2021-06-02 - AR2827 in CaK

Very nice calcium shots, Jochen.
Cheers.
Peter
by p_zetner
Sat Jun 05, 2021 1:04 am
Forum: This is SolarChat !!
Topic: AR12827 Closeup in CaK 2nd June
Replies: 16
Views: 175

Re: AR12827 Closeup in CaK 2nd June

Terrific captures, Mark.
Maybe the Tal results have a slight edge on crispness but both scopes give great images.
Cheers.
Peter