SolarChat!

Dave S

Nice work!

Dave S

Those are stunning shots!

Dave S

Wow! Very impressive detail and contrast

Dave S

Wow! Very impressive detail and contrast

Dave S

added in the surface layer:

: Sun_100916_SE_Prom-surfaced.jpg (413.32 KiB) Viewed 1278 times

Another small prom group:

: Sun_094840_E_Prom.jpg (216.01 KiB) Viewed 1278 times

Dave S

Quick process of this nice prom with a curling peak. Roughly 50,000 miles high. More later when I get some time:

: Sun_100916_SE_Prom.jpg (177.45 KiB) Viewed 1305 times

Dave S

Wonderful prom photos, Marty!

Dave S

That is a really cool sequence! The arch opens up and the tongue of plasma flicks through. Nice.

Dave S

That is a really cool sequence! The arch opens up and the tongue of plasma flicks through. Nice.

Dave S

And the answer is child porn: The source of child pornography was traced to an IP address used at the observatory and a source within the building observed a computer with "not good" images on it, the warrant states. An investigation by the FBI revealed that a janitor is the main suspect i...

Dave S

A friend saw my solar photos and asked me if he could use his iPhone with settings to do the same thing.
Yeah, he asked that.
So I created this instructional video for him:
https://youtu.be/sDDUepzr9pU

Dave S

However, why is the detail so fine in the animation but not replicated in the single image? I think you need to pick your sharpest frame. Thanks for pointing that out, Alexandra. I'm looking into that, which is a helpful exercise. There were a lot of differences, including different capture time, t...

Dave S

Still image:

: Sun_Hedrow-HDR_100833.jpg (326.35 KiB) Viewed 2180 times

Dave S

From data I took on 13 September at 2280mm focal length. 6" refractor

: Prom-Animation.gif (26.11 MiB) Viewed 2190 times

http://www.pbase.com/dsnope/image/168129689/original

Dave S

Looks like it is because of a geomagnetic storm:

https://www.swpc.noaa.gov/news/g2-moder ... ued-11-sep

Dave S

Greg photos, Pepe! I love the altitude reference curves

Dave S

I have no idea what kind of security issue would require shut down of a solar observatory and post office. It'll probably all makes sense some day. SUNSPOT, New Mexico - The National Solar Observatory in Sunspot New Mexico has been closed since last Thursday. The post office near Sunspot also remain...

Dave S

Very fine pictures, Gabrieli. You make the hot Sun look cool ;-)

Dave S

Great first shots, and an impressive imaging train! I can't wait to see more of your work.

I agree with Valery, reducing the exposure should yield more detail.

Dave S

Small spots and small proms today.

I took pics at 2200 and 3300mm focal lengths and liked the 2200mm the best:

: AR12713_Sun_092526_2XP3.jpg (870.04 KiB) Viewed 1165 times

: NE_Prom_Sun_091513_P32X.jpg (180.29 KiB) Viewed 1165 times

: AR12714_Sun_091831_P32X.jpg (530.18 KiB) Viewed 1163 times

Dave S · Re: Solar surface activity at high res June 19 2018 280mm aperture. Impressive!

Impressive!

Dave S

Really amazing images!

Dave S

Active Region AR12712. Finally a sunny day! I was able to get some pretty good resolution on the Sun today and caught this sunspot region before it rotates off into the, errr, sunset. 2280mm focal length, 160mm refractor, LS80DSii module, Basler Ace http://a4.pbase.com/o10/77/857277/1/167579494.A9k7...

Dave S

I had some passable seeing and clear sky today so it was a good chance to catch AR12706 in the full frontal position.

160mm refractor, DS2 etalon, Basler IMX252

: AR12706_Mono_Sun_094245.jpg (463.77 KiB) Viewed 1086 times

: AR12706_Sun_094245.jpg (708.82 KiB) Viewed 1086 times

: SW_Prom_Sun_102432.jpg (127.9 KiB) Viewed 1086 times

: SE_Prom_Sun_102144.jpg (107.64 KiB) Viewed 1086 times

Dave S

Wonderful high-res images!

Dave S

Nice, Valery. Mini-activity offers a lot more areas to capture if you have the resolution.

Dave S

Valery wrote: ↑Thu Apr 12, 2018 12:07 am

Nice capture, Dave! Good details in this prominence.

BTW Does it mean you do use the 35mm etalon for DS (for LS80T) mounted in 160mm refractor?

Valery

Thanks!

Yes, that is my setup.

Dave S

I haven't done this in months because the Sun has been so quiet. Just had a quick session when I saw this modest prominence today.

2280mm FL, Basler Ace through LS80 DS2 and 160mm refractor

: Sun_111435_g4_ap551.jpg (99.7 KiB) Viewed 2053 times

Dave S

Dr. Robert Stein, professor of Physics and Astronomy at Michigan State Universe has long envisioned a day when he could use supercomputer programs to "see" through the roiling surface of the sun and glimpse its dynamic interior. He describes his quest and offers ideas about what drives th...

Dave S

Nice images. I think that pencil-thin filament is the thinnest I've ever seen.

Dave S

Really great prominences!

Dave S

Finally had a clear morning after a couple of weeks of cloudy ones and got to see what the Sun was up to and got photos at three focal lengths with the LS80 and TEC160: FullDiskReducer_Sun_111034.jpg FullDisk1X_Sun_110149.jpg EastProm_Sun_094243.jpg SW_Prom_Sun_102955.jpg AR12687_Sun_100711.jpg

Dave S

Excellent!

Dave S

Perhaps some people from the forum who donated were not identified as being from the forum? Different email addresses or whatever?

Dave S

Thanks!

I always struggle to get even illumination with my LS80 DS2.

Dave S

Welcome, Hans! I look forward to seeing your photos as you progress

Dave S

Full disk using the LS80 DS

: Sun_FullDisk_22Oct17_110134_P2.jpg (403.29 KiB) Viewed 1087 times

Dave S

Narrower bandwidth and higher focal ratios will generally exacerbate the problem. And it will be different for different cameras. So putting on the DSii will usually make it worse, and putting on a barlow will make it worse.

Dave S

Nice! You got sharper images than I did.

Dave S

I also had that happen and Lunt sent me a new BG glass.

Mine clouded over after I had left the scope outside on a high heat and humidity day. At the time, I wondered if condensation was the cause of the crud.

Dave S

I was able to get some frames before the clouds moved in.

: NW_Prom_Sun_102844.jpg (512.91 KiB) Viewed 1658 times

Dave S

Really great hi-res prom photos!

Dave S

That's an amazing, dynamic, beautiful shot, Valery

Dave S

Thank you, everybody! I was really lucky to catch that prom.

Dave S

Wow, awesome set of images, Lou!

Dave S · Re: 9.8.17 Full Disk That's an excellent full disk photo. Nicely done!

That's an excellent full disk photo. Nicely done!

Dave S

Oh wow, that's awesome that you caught the evolution of the big looper!

Dave S

This has to be one of the most spectacular prominences ever! Full disk, negative: http://m4.i.pbase.com/o10/77/857277/1/166182654.RqeKVh1w.FullDisk_Sun_161724.jpg Double-arched prom: http://m5.i.pbase.com/o10/77/857277/1/166182655.76gPNq5U.LoopProm_Sun_152514.jpg SW Prom: http://m7.i.pbase.com/o10/7...

Dave S

You DID get it all in one shot! Very nice!

Dave S

Great catch! That's an awesome multi-loop. I'm out capturing frames now.

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