Prom animation February 8, 2020
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Prom animation February 8, 2020
Hello all: yesterday morning was sunny with temperatures in the low 30's. The sky was totally clear but the jetstream was unfriendly, with strong high altitude winds: I was right in the middle of it and seeing was definitely affected. This is the other large but fainter prom (not Pedro's beautiful SPOD) that was showing yesterday. 76 minutes of activity condensed in about 7.5 seconds of animation. I added few stills showing some of the plasma action flowing up.
This is the first time I used the ZWO174 for prom animations in conjunction with a 1.6x Astro Engineering Barlow that Alexandra very kindly found for me in the UK at a terrific deal. So thank you Alexandra ! The resolution is lower than the Flea 3 3.2MP but the chip is more sensitive.
Clear skies to all.
Franco
This is the first time I used the ZWO174 for prom animations in conjunction with a 1.6x Astro Engineering Barlow that Alexandra very kindly found for me in the UK at a terrific deal. So thank you Alexandra ! The resolution is lower than the Flea 3 3.2MP but the chip is more sensitive.
Clear skies to all.
Franco
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Re: Prom animation February 8, 2020
Hi Franco,
Great images and as well the animation. Maybe color the Sun disk black so the prominces stand out easier ?
Here https://www.netweather.tv/charts-and-da ... ,47.39,712 is another Jetstream page.
Rainer
Great images and as well the animation. Maybe color the Sun disk black so the prominces stand out easier ?
Here https://www.netweather.tv/charts-and-da ... ,47.39,712 is another Jetstream page.
Rainer
regards Rainer
Observatorio Real de 14
San Luis Potosi Mexico
North 22° West 101°
Observatorio Real de 14
San Luis Potosi Mexico
North 22° West 101°
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Re: Prom animation February 8, 2020
Hi Franco...
The proms images and animation look great
Glad to see you get some sun!!!
Brian
The proms images and animation look great
Glad to see you get some sun!!!
Brian
Brian Colville
Maple Ridge Observatory
Cambray, ON Canada
Photos: https://www.flickr.com/photos/185395281@N08/albums
10'x15 Roll-off Roof Observatory
Takahashi EM400 Mount carrying:
C14 + Lunt 80ED
Deep Sky Work - ASI294MM Pro+EFW 7x36/Canon 60D (Ha mod), ONAG
Planetary Work - SBIG CFW10, ASI462MM
2.2m Diameter Dome
iOptron CEM70G Mount carrying:
Orion EON 130ED, f7 OTA for Day & Night Use
Ha Setup: Lunt LS80PT/LS75FHa/B1200Ha + Home Brew Lunt Double Stack/B1800Ha on the Orion OTA + Daystar Quantum
WL, G-Band & CaK Setup: Lunt Wedge & Lunt B1800CaK, Baader K-Line and Altair 2nm G-Band filter
ASI1600MM, ASI432MM, ASI294MM Pro, ASI174MM, ASI462MM
Maple Ridge Observatory
Cambray, ON Canada
Photos: https://www.flickr.com/photos/185395281@N08/albums
10'x15 Roll-off Roof Observatory
Takahashi EM400 Mount carrying:
C14 + Lunt 80ED
Deep Sky Work - ASI294MM Pro+EFW 7x36/Canon 60D (Ha mod), ONAG
Planetary Work - SBIG CFW10, ASI462MM
2.2m Diameter Dome
iOptron CEM70G Mount carrying:
Orion EON 130ED, f7 OTA for Day & Night Use
Ha Setup: Lunt LS80PT/LS75FHa/B1200Ha + Home Brew Lunt Double Stack/B1800Ha on the Orion OTA + Daystar Quantum
WL, G-Band & CaK Setup: Lunt Wedge & Lunt B1800CaK, Baader K-Line and Altair 2nm G-Band filter
ASI1600MM, ASI432MM, ASI294MM Pro, ASI174MM, ASI462MM
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Re: Prom animation February 8, 2020
Franco:
A very nice session, beautiful prominences.
Best wishes,
Eric.
A very nice session, beautiful prominences.
Best wishes,
Eric.
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Re: Prom animation February 8, 2020
Good looking prominence shots (and animation) there Franco.
Nice looking setup as well.
Nice looking setup as well.
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Re: Prom animation February 8, 2020
Wow!! this is the best animation you have done so far Franco, and wonderful activity too what I would do however is just crop the whole series when you have it in the stack so that you are just showing the main prom and the secondary prom. This way the whole animation will be zoomed in a bit (less white and black space). You can use the crop tool to crop the whole of the animation series in one go, then re-save for web and devices.
Alexandra
Alexandra
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Re: Prom animation February 8, 2020
Excellent results Franco! I use the AE1.6x with my 174 camera and SM90, it's a good combination.
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: Prom animation February 8, 2020
Thank you all for your very nice comments. Rainer: this is only my fourth animation and I am currently trying to improve my craft. When I get the image scale right with right camera, barlows and post processing, I will focus on improving other aspects of it. Alexandra: thank you for your good advice. This is already a cropped image. The entire frame is much larger. Due to the bad seeing affecting the result, if I crop much more, the quality of the remaining image deteriorates to the point of being very fuzzy and no longer enjoyable.
Franco
Franco
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Re: Prom animation February 8, 2020
Alexandra: I cropped the animation as you suggested. Now 488 pixels wide. Let me know what you think.
Franco
Franco
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Re: Prom animation February 8, 2020
Franco. that is a nice smooth animation. My autoguider arrived yesterday, so now I'm waiting for the clouds to clear so I can do some animations.
Can you tell me what your exposure intervals are and how many frames per capture?.
Martin
Can you tell me what your exposure intervals are and how many frames per capture?.
Martin
H alpha : ,Skywatcher 120mm F8 open frame refractor, a tilted 2" 7nm H-alpha filter as a sub energy rejection filter, Baader TZ4 telecentric focal extender, Player One energy rejection filter, Combo Quark Chromosphere, Naked PST etalon for double stacking, ASI74mm camera
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Re: Prom animation February 8, 2020
Lovely animation, Franco. It does look better cropped. Nice and fluid, beautifully illustrating solar dynamics in action.
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: Prom animation February 8, 2020
Cropped does draw the eye in very fine work indeed I love the plasma splash half way through
Alexandra
Alexandra
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Re: Prom animation February 8, 2020
Thank you Martin and Stu for your comments. Thank you as always Alexandra for your guidance. Martin: the range of frames is typically 300 to 500 at somewhere between 30 seconds to a minute intervals. I guess it all depends on how smooth you want your animation to be. Less time between captures means a smoother animation but more data to deal with. I use 400 to 500 frames at one minute intervals. Here is a not very good screen shot while doing this animation in Firecapture using the Autorun feature. You set the number of captures, number of frames per capture and intervals, start it and all you have to do is keep the prominence in the center of the reticle as accurately as you can. Before you start, make sure you have enough storage in your PC, as some of these animations can create more than 100GB of data, depending on the camera resolution and length of the animation. This particular animation was about 80GB of data.
Hope this helps.
Franco
Hope this helps.
Franco
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Re: Prom animation February 8, 2020
Very good animation, Franco, nice and smooth. The cropped version shows the action well. Thanks for putting in the time and effort. I still balk at mosaics.
Phil
Phil
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Re: Prom animation February 8, 2020
Thank you Phil and Maurits. I always admire the images you both post. Phil: the SPOD filaprom is a killer image . Now that the sun is pretty blank I think prom animations are a way to keep busy: it is few hours of work but I enjoy each project. The result, I think, is worth it.
Franco
Franco
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Re: Prom animation February 8, 2020
Hi Franco, very nice images and animation!
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Re: Prom animation February 8, 2020
Thank you for your advice Franco, I tried my first animation session today and achieved reasonable results. What frame rate delay do you use for playback? Iv'e been working on around .3 to .5 seconds .
Martin
Martin
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Re: Prom animation February 8, 2020
Hi Martin: if you run it with zero seconds delay on each frame I believe the animation runs at 10 frames per second. That means 30 minutes of activity with one minute captures (30 frames stacked) runs in about 3 seconds and so on. 60 minutes runs in 6 seconds. Obviously you can change the delay depending on what you need for smoothness of the animation. I think you are on the right track with what you are trying now: I think each animation may call for its own rate, but the ones I did so far run with zero seconds delay or 0.125 seconds.
Alexandra, Mark T, Stu and Pedro are much better than I am at doing this and I am trying to learn from them. Alexandra has her Solar Nutcase reference guide that has been very helpful for me.
Franco
Alexandra, Mark T, Stu and Pedro are much better than I am at doing this and I am trying to learn from them. Alexandra has her Solar Nutcase reference guide that has been very helpful for me.
Franco
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Re: Prom animation February 8, 2020
Thanks Franco, I have just finished reading Alexandra's excellent solar imaging tutorial, it has lots of good information.
Martin
Martin
H alpha : ,Skywatcher 120mm F8 open frame refractor, a tilted 2" 7nm H-alpha filter as a sub energy rejection filter, Baader TZ4 telecentric focal extender, Player One energy rejection filter, Combo Quark Chromosphere, Naked PST etalon for double stacking, ASI74mm camera