June 15th's Sunspot AR2713 and large Prominences | HA & WL | Quark
- MalVeauX
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June 15th's Sunspot AR2713 and large Prominences | HA & WL | Quark
Heya,
Well, despite nearly 2 weeks of doom and gloom cloudy skies here in "sunny" Florida during hurricane season, I got a moment of slightly hazy but relatively clear skies late in the evening between 5~6pm, so I ran out to my observatory and opened her up and was able to get some data for about an hour.
I quickly set up to do a mosaic with my short scope (Orion ST80) and a Quark. I mask the ST80 to 60mm (60mm F6.6) for better matching to the Quark's needs. I used the ZWO tilt adapter to eliminate newton rings which helped a ton with a good mosaic. I did 11 individual data grabs around the disc with generous overlap. These were later flat calibrated and stitched together into a mosaic to get a full disc at a decent scale and good resolution. Prominences were grabbed separately and added manually to appropriate locations on the disc. I think this may be the best full disc mosaic I've managed so far, with respect to not having gradients or obvious stitching issues (I think more overlap helps a ton with this).
For the higher resolution images of AR2713 and the larger prominences, I used a 120mm F8.3 refractor and the Quark.
Seeing was maybe a 2/5 during some moments, not bad for late day for me.
Equipment:
Celestron Omni XLT 120mm F8.3 refractor
Orion 80mm F5 refractor (masked to 60mm F6.6 for imaging with the Quark)
Baader 2" UV/IR Cut Filter (ERF)
Daystar Quark Chromosphere (HA; 656.28nm Filter)
Baader Solar Film & Baader Solar Continuum Filter (White Light; 540nm)
ASI174MM Camera
ZWO Tilt Adapter (to manage newton rings)
Farpoint dual saddle mounting
Orion Sirius Mount
+++++++++++++++++++++++++++++++++++++++++++++++++
+++++++++++++++++++++++++++++++++++++++++++++++++
Typical view of Florida's sky during hurricane season:
Today's equipment, side by side for fast FOV and scale changing for imaging:
+++++++++++++++++++++++++++++++++++++++++++++++++
+++++++++++++++++++++++++++++++++++++++++++++++++
Results from this evening.
Sunspot AR2713:
Very best,
Well, despite nearly 2 weeks of doom and gloom cloudy skies here in "sunny" Florida during hurricane season, I got a moment of slightly hazy but relatively clear skies late in the evening between 5~6pm, so I ran out to my observatory and opened her up and was able to get some data for about an hour.
I quickly set up to do a mosaic with my short scope (Orion ST80) and a Quark. I mask the ST80 to 60mm (60mm F6.6) for better matching to the Quark's needs. I used the ZWO tilt adapter to eliminate newton rings which helped a ton with a good mosaic. I did 11 individual data grabs around the disc with generous overlap. These were later flat calibrated and stitched together into a mosaic to get a full disc at a decent scale and good resolution. Prominences were grabbed separately and added manually to appropriate locations on the disc. I think this may be the best full disc mosaic I've managed so far, with respect to not having gradients or obvious stitching issues (I think more overlap helps a ton with this).
For the higher resolution images of AR2713 and the larger prominences, I used a 120mm F8.3 refractor and the Quark.
Seeing was maybe a 2/5 during some moments, not bad for late day for me.
Equipment:
Celestron Omni XLT 120mm F8.3 refractor
Orion 80mm F5 refractor (masked to 60mm F6.6 for imaging with the Quark)
Baader 2" UV/IR Cut Filter (ERF)
Daystar Quark Chromosphere (HA; 656.28nm Filter)
Baader Solar Film & Baader Solar Continuum Filter (White Light; 540nm)
ASI174MM Camera
ZWO Tilt Adapter (to manage newton rings)
Farpoint dual saddle mounting
Orion Sirius Mount
+++++++++++++++++++++++++++++++++++++++++++++++++
+++++++++++++++++++++++++++++++++++++++++++++++++
Typical view of Florida's sky during hurricane season:
Today's equipment, side by side for fast FOV and scale changing for imaging:
+++++++++++++++++++++++++++++++++++++++++++++++++
+++++++++++++++++++++++++++++++++++++++++++++++++
Results from this evening.
Sunspot AR2713:
Very best,
- Valery
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Re: June 15th's Sunspot AR2713 and large Prominences | HA & WL | Quark
Excellent results, Marty!
"Solar H alpha activity is the most dynamic and compelling thing you can see in a telescope, so spend accordingly." (c) Bob Yoesle.
Largest full size 185 - 356mm Dielectric Energy Rejection Filters (D-ERF) by ARIES Instruments.
Largest full size 185 - 356mm Dielectric Energy Rejection Filters (D-ERF) by ARIES Instruments.
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Re: June 15th's Sunspot AR2713 and large Prominences | HA & WL | Quark
Hi, MalVeaux
You brought out some fine prom detail and the AR closeup is what I was wishing for yesterday before the wind put a stop to that hope.
I can relate to what you say about gradients and stitching artifacts in full disks. Sometimes, blending is easy. Other times, I have to do a lot of work in PS to even out the tones.
Lou
You brought out some fine prom detail and the AR closeup is what I was wishing for yesterday before the wind put a stop to that hope.
I can relate to what you say about gradients and stitching artifacts in full disks. Sometimes, blending is easy. Other times, I have to do a lot of work in PS to even out the tones.
Lou
- MalVeauX
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Re: June 15th's Sunspot AR2713 and large Prominences | HA & WL | Quark
Hey Lou,gabrieli wrote: ↑Sat Jun 16, 2018 10:34 am Hi, MalVeaux
You brought out some fine prom detail and the AR closeup is what I was wishing for yesterday before the wind put a stop to that hope.
I can relate to what you say about gradients and stitching artifacts in full disks. Sometimes, blending is easy. Other times, I have to do a lot of work in PS to even out the tones.
Lou
I had some decent seeing for the session, so I put more frames onto AR2713 just to have a lump of good data to work from.
Gotta put up some walls to block the wind!
Here's some comparison data of AR2713 with various levels of stacking from 8,000 frames (1 frame, 31 frames, 360 frames, 1,000 frames):
+++++++++++++++++++++++++++++++++++++++
+++++++++++++++++++++++++++++++++++++++
Mean while, current weather here in Florida today....
And it is now raining, just prior to it developing into this:
Very best,
- eroel
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Re: June 15th's Sunspot AR2713 and large Prominences | HA & WL | Quark
Marty:
Beautiful images all of them.
The weather at my place is worse, we have 2 hurricanes in the Pacific and one in the Caribbean zone.
Best regards,
Eric.
Beautiful images all of them.
The weather at my place is worse, we have 2 hurricanes in the Pacific and one in the Caribbean zone.
Best regards,
Eric.
- ffellah
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Re: June 15th's Sunspot AR2713 and large Prominences | HA & WL | Quark
Beautiful results, Marty. You are really pushing that telescope to the limit.
Franco
Franco
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Re: June 15th's Sunspot AR2713 and large Prominences | HA & WL | Quark
excellent results given the sky conditions Marty!
http://brierleyhillsolar.blogspot.co.uk/
Solar images, a collection of all the most up to date live solar data on the web, imaging & processing tutorials - please take a look!
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Re: June 15th's Sunspot AR2713 and large Prominences | HA & WL | Quark
Great images Marty
Pedro Re'
https://pedroreastrophotography.com/
https://pedroreastrophotography.com/
- MalVeauX
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Re: June 15th's Sunspot AR2713 and large Prominences | HA & WL | Quark
Thanks all,
Listening to thunder while typing this... sigh!
Very best,
Listening to thunder while typing this... sigh!
Very best,
- Carbon60
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Re: June 15th's Sunspot AR2713 and large Prominences | HA & WL | Quark
Hope the skies clear for you soon, Marty. Great images between the clouds, rain, storms......
Stu.
Stu.
H-alpha, WL and Ca II K imaging kit for various image scales.
Fluxgate Magnetometers (1s and 150s Cadence).
Radio meteor detector.
More images at http://www.flickr.com/photos/solarcarbon60/
Fluxgate Magnetometers (1s and 150s Cadence).
Radio meteor detector.
More images at http://www.flickr.com/photos/solarcarbon60/
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Re: June 15th's Sunspot AR2713 and large Prominences | HA & WL | Quark
What a beautifully presented set and I really enjoy looking at the panorama shots, it looks like a tornado in the first shot or is that a tube of concentrated heavy rain? we had our first rain since April on Saturday which is extremely unusual in the UK (yes it had to be a Saturday, typical!) . I can't remember seeing brown lawns for years and years. Looks like you have all our rain not that I am missing it or anything
Alexandra
Alexandra
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Re: June 15th's Sunspot AR2713 and large Prominences | HA & WL | Quark
Lots of rain! Not even a hurricane on us, and it's non-stop clouds & rain. I honestly don't remember it being this way when I was a child. We always had summer rain, but it was sunny and it would rain for 5 minutes with nothing but sun, no real dark nasty clouds and storms, just super brief summer showers in the sun. We'd be on the beach, in the sun, get rained on and think nothing of it, the sun warmed you so much it wasn't a thing. Now, I rarely see the sun anymore, it's cloudy at all times, and the storms are endless. Climate change?!
Then of course, it's sunny and great in the morning while I'm at work (of course...).
Very best,
Then of course, it's sunny and great in the morning while I'm at work (of course...).
Very best,