Search found 2410 matches

by gabrieli
Thu Oct 05, 2023 2:18 pm
Forum: This is SolarChat !!
Topic: Big prom and other proms from Oct4/23
Replies: 3
Views: 1330

Big prom and other proms from Oct4/23

The sky became cloudy as soon as I set up but I left the equipment setup until early afternoon when some clearing happened albeit with hazy skies. This time, I used the 127mm scope in single stack mode with a Quark Chromosphere. Lou float1.png float2.png float2c.png bigprom.png bigpromc.png bigpromi...
by gabrieli
Wed Oct 04, 2023 12:13 am
Forum: This is SolarChat !!
Topic: This is more like it (Oct3/23)
Replies: 8
Views: 1481

This is more like it (Oct3/23)

The sun showed more activity than on the previous few days with an impressive prom pair as well as smaller noteworthy proms including a long, floating prom. Although I used my 127mm in both SS and DS, the higher res images come from the double stack batch. The full disks are from a double stacked Lu...
by gabrieli
Sun Oct 01, 2023 7:03 pm
Forum: This is SolarChat !!
Topic: Active regions from Sept 30/23
Replies: 3
Views: 1088

Active regions from Sept 30/23

There weren’t many proms of a good size present today but there were 2 active regions near the limb that were worth a look. I’m continuing to use my IMX462 and IMX432 based cameras and some good results came through despite the poor seeing that seemed to be parked over my head all through this past ...
by gabrieli
Sat Sep 30, 2023 2:02 pm
Forum: This is SolarChat !!
Topic: Sept 29/23 harvest
Replies: 8
Views: 1107

Re: Sept 29/23 harvest

Thanks for the encouraging comments, everyone. I’ve done better with the 462 and I expect better results with better seeing. i did some minor ROI reduction to boost the frame rate at 16 bits. For Dennis I didn’t use a reducer for any of these images. The setup was (in order): 135mm Badder D-ERF + 12...
by gabrieli
Fri Sep 29, 2023 9:52 pm
Forum: This is SolarChat !!
Topic: Sept 29/23 harvest
Replies: 8
Views: 1107

Sept 29/23 harvest

I haven’t had many good results with the PO432(Apollo M Max) up until recently although the camera has been in my hands for a while. the ZWO462 also took a bit of time to produce acceptable results. Now, I think I have a reasonable grasp on the processing techniques. I hope that in this next and las...
by gabrieli
Wed Sep 27, 2023 11:20 pm
Forum: This is SolarChat !!
Topic: Full disks and solar activity fromm Sept 26/23
Replies: 7
Views: 958

Full disks and solar activity fromm Sept 26/23

Sometimes, you just can't catch a break. That describes most of this season. I don' recall more than 2 clear blue sky days. Most days, like this session, were plagued by haze or clouds or both. Processing had to be more aggressive than usual but produced some worthwhile images. The higher res images...
by gabrieli
Mon Sep 25, 2023 7:36 pm
Forum: This is SolarChat !!
Topic: 3 full disks and a limb on Sept24/23
Replies: 2
Views: 674

3 full disks and a limb on Sept24/23

This session wasn't ideal both as far as weather and solar features were concerned. I wanted to collect data for a full disk and then see if I could learn about applying gradients to the image. The reason for this was that my full disks suffer from a ghost that appears on the bottom part of the imag...
by gabrieli
Sat Sep 23, 2023 12:22 am
Forum: This is SolarChat !!
Topic: Proms and full disks from Sept21/23
Replies: 5
Views: 566

Re: Proms and full disks from Sept21/23

Thanks for the suggestion, Mark. I'll try it next time I do full disks.

Lou
by gabrieli
Fri Sep 22, 2023 8:16 pm
Forum: This is SolarChat !!
Topic: Proms and full disks from Sept21/23
Replies: 5
Views: 566

Proms and full disks from Sept21/23

All images below came from an LS80 using a PO533SQ or a ZWO462. I noticed that when doing full discs, both my LS60MT and this LS80 exhibit a reflection in the lower right quadrant that it is sometimes difficult to process out. If I try "tuning" it out of sight it affects the on band condit...
by gabrieli
Thu Sep 21, 2023 10:26 am
Forum: This is SolarChat !!
Topic: On the sun on Sept 20
Replies: 6
Views: 480

On the sun on Sept 20

A rare, clear blue sky gave the unfortunately deceptive optimism for good seeing this day. Reality was that the seeing was typical for this day with the solar disk's edge fluttering like a flag. This settled somewhat after 20 minutes for some acceptable images. I used a 127mm scope in SS and DS mode...
by gabrieli
Wed Sep 20, 2023 11:20 am
Forum: This is SolarChat !!
Topic: A few morsels from Sept19/23
Replies: 5
Views: 217

A few morsels from Sept19/23

These images were taken with an Explore Scientific AR152. For the ERF, I repurposed the Baader 180 mm ERF meant for my 7" Mak which so far has turned out to be a disappointment for Hα Solar imaging. This required ringing the lens hood of the AR152 with 12 wood strips to support the ERF properly...
by gabrieli
Mon Sep 18, 2023 1:50 am
Forum: This is SolarChat !!
Topic: The big prom continues on Sept15/23
Replies: 8
Views: 427

Re: The big prom continues on Sept15/23

Thanks to all for the comments and views. Hi, Kevin The PO533SQ is quickly becoming my most used camera. With a large 1 inch sensor, framing by reducing the ROI really spoils you. Its square format makes it convenient to image features that are oriented lengthwise vertically or horizontally or diago...
by gabrieli
Sun Sep 17, 2023 9:48 pm
Forum: This is SolarChat !!
Topic: The big prom and filament from Sept 16/23
Replies: 7
Views: 324

The big prom and filament from Sept 16/23

This post was added earlier today but I forgot to press submit after previewing a couple of times. So, I'm trying to post it again and this time with more focus. This session didn't produce much that was new but still resulted in some nice images. I used a single stacked AR152 with a Quark Chromosph...
by gabrieli
Sat Sep 16, 2023 10:12 am
Forum: This is SolarChat !!
Topic: The big prom continues on Sept15/23
Replies: 8
Views: 427

The big prom continues on Sept15/23

All the images below were squeezed out of files taken with a PO533SQ and a single stacked 127mm + Quark chromosphere.

Lou
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467.png
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467invc.png
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by gabrieli
Fri Sep 15, 2023 10:24 pm
Forum: This is SolarChat !!
Topic: September 14th - Ha
Replies: 11
Views: 484

Re: September 14th - Ha

Hi, Brian I've always liked the gradient you use in some of your full disks where the disk is kept uninverted and the proms are inverted. It gives the impression that the dark proms spring from a dark limb. This is similar to when the disk is inverted to produce a bright limb with the proms left uni...
by gabrieli
Fri Sep 15, 2023 9:55 pm
Forum: This is SolarChat !!
Topic: Big prom from Sept 14/23
Replies: 4
Views: 230

Big prom from Sept 14/23

Today was a typical day where images taken in mediocre seeing were rescued by processing. The big prom put on quite a show as did the long filament it came from. All the higher res images were taken in single stack with a 127mm Stellarvue and Quark chromosphere recording on a PO533SQ(cropped) for th...
by gabrieli
Wed Sep 13, 2023 12:12 am
Forum: This is SolarChat !!
Topic: Ha Sunshine 9th September
Replies: 26
Views: 967

Re: Ha Sunshine 9th September

Hi, Mark

Your 100 and 150 mm scopes must have great quality to produce such fine details. The processing also looks just right to me without being over done.

Lou
by gabrieli
Thu Sep 07, 2023 4:54 pm
Forum: This is SolarChat !!
Topic: Solar session 07.09. with AR210
Replies: 7
Views: 433

Re: Solar session 07.09. with AR210

Hi, Petr

Whenever I see your name and AR210 in your title, I know I'm about to see something special. These images are very special.

Lou
by gabrieli
Thu Sep 07, 2023 12:54 pm
Forum: This is SolarChat !!
Topic: Best day this year, so far (Sept6/23)
Replies: 7
Views: 415

Best day this year, so far (Sept6/23)

Although the temperature was a very hot 88 degrees, the seeing was fairly steady for about half an hour. That was enough time for most of the best inages to get made. There were so many fine, bright features to record, including some very thick filaments near the limb. The main scope I used was a St...
by gabrieli
Thu Sep 07, 2023 12:34 pm
Forum: This is SolarChat !!
Topic: First light with new toy - iStar Asteria TCR 204-12 R35
Replies: 27
Views: 1300

Re: First light with new toy - iStar Asteria TCR 204-12 R35

Hi, Arne. Congratulations on finding and acquiring this beautiful instrument. I feel so much regret now when I remember seeing open frame refractors on the Istar website and I didn’t know enough about this design to appreciate its convenience and potential. I would have loved to have an 8 inch f/10 ...
by gabrieli
Wed Sep 06, 2023 10:50 am
Forum: This is SolarChat !!
Topic: Prom and full disks from Sept 4 and 5
Replies: 6
Views: 456

Prom and full disks from Sept 4 and 5

The full disks are from Sept 5 and the proms from Sept 4. The full disks are 3 panel mosaics using a Lunt LS60T DS. The others were taken with a single stacked 127mm Stellarvue. Lou FDinvproms.png FDinvc.png FDcinvproms.png prom1.png prom1c.png prom2.png prom2c.png prom3.png prom4.png prom5.png prom...
by gabrieli
Wed Sep 06, 2023 10:33 am
Forum: This is SolarChat !!
Topic: Active Regions 5 th September
Replies: 15
Views: 597

Re: Active Regions 5 th September

Hi, Maurits

I'm impressed by the crisp details in these images, sharp but not overdone.

Lou
by gabrieli
Sun Sep 03, 2023 10:49 am
Forum: This is SolarChat !!
Topic: Long filament in higher res, Ars, and proms from Sept2/23
Replies: 11
Views: 557

Re: Long filament in higher res, Ars, and proms from Sept2/23

Thanks for the views and comments, everyone I can say that the DS module made of a Quark Chromosphere + Lunt40mm etalon gives much better quality than the PST based DS modules ever did and with much less fuss. The LS40 etalon in its chamber is still light enough to not cause much worry. So far, cond...
by gabrieli
Sat Sep 02, 2023 2:48 pm
Forum: This is SolarChat !!
Topic: Long filament in higher res, Ars, and proms from Sept2/23
Replies: 11
Views: 557

Long filament in higher res, Ars, and proms from Sept2/23

My first impression was that this filament is not going to produce any worthwhile results due to its fragmented nature. The last results I posted were lower res images of this filament. Last session (Sept1) I chose to try imaging this feature in higher res with a double stack setup. There were also ...
by gabrieli
Fri Sep 01, 2023 9:46 am
Forum: This is SolarChat !!
Topic: The long filament continues on Aug31/23
Replies: 9
Views: 398

The long filament continues on Aug31/23

This is the second try I've made with this long but sparse filament. I found it very hard to record effectively. So I had to resort to a lot of local levels work to make details jump out. All the images below were taken with a front double stacked Lunt60MT with a 2.3x Barlow lens. The full disks wer...
by gabrieli
Wed Aug 30, 2023 5:17 pm
Forum: This is SolarChat !!
Topic: Not Perfect but closer 8/30/2023
Replies: 19
Views: 610

Re: Not Perfect but closer 8/30/2023

Hi, Warren

I really like the details in your disks.I tried imaging the long polar filament in higher res but, as you said, it's too wispy to present effectively
although your inversion suceeds more than my efforts would show. Well done.

Lou
by gabrieli
Wed Aug 30, 2023 1:23 pm
Forum: This is SolarChat !!
Topic: Out on the limb on Aug29/23
Replies: 7
Views: 336

Out on the limb on Aug29/23

I can hardly wait until the fall when the seeing usually gets better. In the meantime, I'll keep hoping that the soupy sky will produce some moments of worthwhile results as the ones below. I used a 127mm scope with a Quark and an ASI462 for the prom and a PO533SQ for the wider views. I forgot to me...
by gabrieli
Tue Aug 29, 2023 12:01 am
Forum: This is SolarChat !!
Topic: Detached prom on Aug 28/23
Replies: 10
Views: 555

Re: Detached prom on Aug 28/2

Thanks, Warren

I've also been disappointed over the last couple of days on the lack of larger scale features, especially on the limb.

Lou
by gabrieli
Mon Aug 28, 2023 8:52 pm
Forum: This is SolarChat !!
Topic: Detached prom on Aug 28/23
Replies: 10
Views: 555

Detached prom on Aug 28/23

From an otherwise uneventful day of bad seeing and cloudy skies comes a pair of images showing the growth of a surge prom and a detached prom tenuously connected to it. I used a 127mm Stellarvue refractor with a 3X Baader telecentric and a 1.5X barlow attached to its nose which gave me an efl just g...
by gabrieli
Mon Aug 21, 2023 1:39 am
Forum: This is SolarChat !!
Topic: A single subject on Aug 20/23
Replies: 6
Views: 224

A single subject on Aug 20/23

Since my Lunt 152 had not seen the sun for a while now, I decided to haul it out and use it to image the large filaprom that was rounding the limb on this day. It didn't disappoint. The scope was double stacked with a Quark Chromosphere. Unlike many filaproms I've seen this season, this one was very...
by gabrieli
Sun Aug 20, 2023 7:05 pm
Forum: This is SolarChat !!
Topic: Close up from 20 August
Replies: 17
Views: 790

Re: Close up from 20 August

Thank you for your posts, Maurits. I have always enjoyed and will continue to enjoy your work in future. I want to add my best wishes for your
recovery.

Lou
by gabrieli
Thu Aug 17, 2023 12:16 pm
Forum: This is SolarChat !!
Topic: 2 proms from Aug16/23
Replies: 7
Views: 266

2 proms from Aug16/23

These 2 proms were taken during a short session on Aug16 in typically bad afternoon seeing. I used an LS40T etalon + 12mm blocking filter on a 127 mm scope.

Lou


prom1.png
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prom2b.png
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by gabrieli
Sat Aug 12, 2023 1:30 pm
Forum: This is SolarChat !!
Topic: New double stack (aug11/23
Replies: 8
Views: 404

Re: New double stack (aug11/23

Hi, TareqPhoto The Lunt 40mm front etalon is from the LS40T solar scope: https://luntsolarsystems.com/product/lunt-40-mm-dedicated-hydrogen-alpha-solar-telescope/ The scope itself, new, is less expensive than the current Quark ($749 versus $1295 USD). The 50mm front etalon (I have the LS50C) is a st...
by gabrieli
Sat Aug 12, 2023 12:08 am
Forum: This is SolarChat !!
Topic: New double stack (aug11/23
Replies: 8
Views: 404

New double stack (aug11/23

The new double stack is based on a configuration I read about in the past on this forum. It consists of a 40mm Lunt front etalon in an enclosure sold by RAFcamera with a Quark Combo attached to the enclosure. This was attached to the end of a 127mm scope. T threads on either ends of the enclosure ma...
by gabrieli
Sat Aug 05, 2023 7:19 pm
Forum: This is SolarChat !!
Topic: Events from Aug4/5
Replies: 5
Views: 277

Events from Aug4/5

I can say that, this season, I feel that I've had to do more processing than usual to get acceptable final results. I hope this isn't a trend. I also hope some larger scale features appear soon. Here are the results of the current sessions from Aug4 and one from Aug5. Last year my AVX mount was expe...
by gabrieli
Sat Aug 05, 2023 11:13 am
Forum: This is SolarChat !!
Topic: Quick Solar Grab - 4th August
Replies: 20
Views: 1050

Re: Quick Solar Grab - 4th August

Hi, Mark

What an enviable adventure you're on. Thanks for posting your route.

Lou
by gabrieli
Thu Aug 03, 2023 9:17 pm
Forum: This is SolarChat !!
Topic: Out of nothing came something (Aug 3/23)
Replies: 7
Views: 368

Out of nothing came something (Aug 3/23)

This was a disappointing session in a few ways. There were few features that were noteworthy on GONG or in my live view. Images were very flat in contrast due to the milky sky. One of the limb images had an emerging AR (unnumbered as of this posting) that I thought had some interesting turbulence th...
by gabrieli
Tue Aug 01, 2023 12:42 am
Forum: This is SolarChat !!
Topic: The big prom on July31/23
Replies: 6
Views: 391

The big prom on July31/23

Although there was less haze in the sky this session, the seeing was worse than the previous couple of sessions and so I cut the session short after recording 6 files. When I processed the images, I realized there was a ghostly section of the prominence above its left end. Lou Prom.png Promc.png
by gabrieli
Mon Jul 31, 2023 11:03 am
Forum: This is SolarChat !!
Topic: Tidbits from July 31/23
Replies: 7
Views: 553

Tidbits from July 31/23

There was a wide variety of features visble this session. I started imaging when the sun was just grazing the sloped roof on my house before that part of the roof had a chance to be heated by the sun's rays. During this time the seeing was better than usual (about 20 minutes). Then, the seeing deter...
by gabrieli
Fri Jul 28, 2023 11:57 am
Forum: This is SolarChat !!
Topic: Instant solar photography 28.07.
Replies: 22
Views: 1211

Re: Instant solar photography 28.07.

Hi, Petr First, I have to say that you must have the “golden touch”. Any equipment you use produces beautiful results. I know that your hard work and skills are the reason for your inspiring images. Secondly, you only take 4 minutes to set up? How fast were you moving? It takes me 4 minutes just to ...
by gabrieli
Thu Jul 27, 2023 11:09 am
Forum: This is SolarChat !!
Topic: Into the haze on July 26/23
Replies: 6
Views: 405

Into the haze on July 26/23

Will this haze ever go away? The sun was a dull hazy ball through most of the day although it didn't reduce image detail as much as you might expect. The image contrast, however, was flat and had to be boosted in processing. I used an LS152 + Quark Chromosphere recording on a PO533SQ for all the ima...
by gabrieli
Wed Jul 26, 2023 10:16 am
Forum: This is SolarChat !!
Topic: The ASI462 is a keeper
Replies: 10
Views: 641

Re: The ASI462 is a keeper

I wished the ASI178 with its high resolution had worked out for Hα.
For me, that camera (ASI178) displayed a horrible grid pattern that this camera (462) does not.

Lou
by gabrieli
Tue Jul 25, 2023 11:14 pm
Forum: This is SolarChat !!
Topic: The ASI462 is a keeper
Replies: 10
Views: 641

The ASI462 is a keeper

I continued my trials with the 462 this session in very hazy conditions. I set up in time to record 3 files before it clouded over completely. The sky cleared into hazy skies in the afternoon but I realized by then that the 3 files I recorded would be enough for now. I hope to use this camera when t...
by gabrieli
Tue Jul 25, 2023 7:44 pm
Forum: This is SolarChat !!
Topic: Closeup of selected AR in G-Band 23rd of July 2023
Replies: 14
Views: 878

Re: Closeup of selected AR in G-Band 23rd of July 2023

Hi, Arne

My favorite white images happen when active regions and sunspots are near the sun's edge as you have shown here. Impressively imaged with your TS102ED.

Lou
by gabrieli
Mon Jul 24, 2023 5:18 pm
Forum: This is SolarChat !!
Topic: First light with ASI462
Replies: 11
Views: 632

First light with ASI462

Similar to what some people have experienced at first with this camera, the camera was not recognized in Firecapture. I knew from some past experiences that what was required was an update for the driver and also a transplant of new ASICamera2.dll and ASICamera2.lib files from the SDK into Firecaptu...
by gabrieli
Sun Jul 23, 2023 11:28 pm
Forum: This is SolarChat !!
Topic: Proms and full disks from July 22/23
Replies: 8
Views: 619

Proms and full disks from July 22/23

Some unusual prom groupings were the highlights from this session. I also wanted to show details from these groups and an overview of all the activity around the sun's limb. Most images were rotated for better viewing. Lou FD.png FDc.png p1.png p2.png p2a.png p2b23 at 7.09.07 PM.png p3.png p3c.png p...
by gabrieli
Fri Jul 21, 2023 10:11 am
Forum: SPoD Archive
Topic: Scary prom on July 20/23
Replies: 12
Views: 1385

Re: Scary prom on July 20/23

Hi, James

Thanks for the mosquito pupa reference and image. I couldn't quite picture what you meant at first but the image cleared that up.
It's fascinating how eclectic people's interests are besides (just) solar imaging.

Lou
by gabrieli
Fri Jul 21, 2023 10:11 am
Forum: This is SolarChat !!
Topic: Scary prom on July 20/23
Replies: 8
Views: 583

Re: Scary prom on July 20/23

Hi, James

Thanks for the mosquito pupa reference and image. I couldn't quite picture what you meant at first but the image cleared that up.
It's fascinating how eclectic people's interests are besides (just) solar imaging.

Lou
by gabrieli
Fri Jul 21, 2023 12:24 am
Forum: This is SolarChat !!
Topic: Scary prom on July 20/23
Replies: 8
Views: 583

Scary prom on July 20/23

The image on GONG did not give a good impression of how strange this prom looked. It made a strong impression when it first appeared on my screen. I used a single stacked 127mm Stellarvue at 4400mm (f/34). The full disk was taken with the usual LS60MT, using a 2 image stitch of two 3/4 disk images. ...
by gabrieli
Fri Jul 21, 2023 12:24 am
Forum: SPoD Archive
Topic: Scary prom on July 20/23
Replies: 12
Views: 1385

Scary prom on July 20/23

The image on GONG did not give a good impression of how strange this prom looked. It made a strong impression when it first appeared on my screen. I used a single stacked 127mm Stellarvue at 4400mm (f/34). The full disk was taken with the usual LS60MT, using a 2 image stitch of two 3/4 disk images. ...