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Old 21-10-2020, 10:01 PM
Martin_S
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solar Images 21/10/2020

It looks like a new spot is forming on the NW side of the sun.
AR2776 is still going well

Here are some captures I got before the clouds rolled in, and an animation if it loads ok.

Martin


https://live.staticflickr.com/65535/...e0a4767f_o.gif[/url]
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Old 21-10-2020, 10:16 PM
PeterM
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Well you did well Martin, great images as usual. Yes! the animation works and is quite stunning, so very good. What time frame is this animation over and what programme do you use to do this?
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Old 21-10-2020, 10:26 PM
Saturnine (Jeff)
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Very fine images Martin, thanks for sharing.
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Old 21-10-2020, 10:34 PM
Eris (Gerard)
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Great images Martin. I particularly like the granulation field around that sun spot. I enjoyed watching the prom animation as well. What period of time was it shot over?
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Old 22-10-2020, 07:32 AM
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Merlin66 (Ken)
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Martin,
Well done, you captured AR2776 very well, the WL image is very good!
I know the time and effort it takes to prepare an animation!
Your efforts were well rewarded. (Note the small flare on the right hand side)
Keep up the good work,
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Old 22-10-2020, 10:20 AM
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rustigsmed (Russell)
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very nice Martin - and wow that is a great animation!!!!!! how many frames was it made up of?

cheers
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Old 22-10-2020, 01:49 PM
Martin_S
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Thank you for your comments. Here is a brief explanation of my animation preparation.

First up you need a tracking mount, I also use a Hynode solar auto guider. Then you choose your imaging area.
I use Firecapture for imaging.
Set the exposure and gain on your camera and make sure the camera saves the captures as .SER files, enable autorun. I capture 20 frames at 30 second intervals using autorun.

This animation had 50 captures (about 25 mins worth).

Batch stack your SER files in Autostacker ,saving the best 5%, you can also sharpen them if you want to when you stack.

Open up file manager

Create around 5 subfolders in the folder where you have stacked your captures. If you always save to the next folder in the chain you can always go back to the previous stage and not overwrite your work.

Open up ImPPG(Free software) and use the align image sequence in the tools section. Save the aligned images in the first sub folder that you have created

Open up Irfan view(Free software) and view your aligned images in Slide viewer. If they don't play smoothly you may have to go back to the previous stage and tweek the settings and repeat your alignment.

If you wish to Blank out the disk in your images to give your prominence better contrast ,you can use Corono (Free software) or you can use photoshop and mask the disk in a batch process by creating an action. Save your files in the next sub folder.

Open up Gimp(Free software)

select - file - open as layers - select your files - open

let them load, it might take a while.

select - filters - animation - optimize for Gif

select - filters - animation - playback

play your animation if you are happy with it you can then crop or resize your animation.

Select - file - export as

choose your save in folder

select - file type(by extension) choose GIF image

click the export box

a save box will appear with Gif options


uncheck - GIF comment

check - as animation and loop forever

click - export


Your animation is completed.

This might seem complicated but once you set up your macro's and templates it's quite a simple workflow.

Martin
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Old 22-10-2020, 02:18 PM
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multiweb (Marc)
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That animation is unreal Martin!
Thanks for posting the work flow as well. Legend.
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Old 22-10-2020, 03:06 PM
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Merlin66 (Ken)
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Well done, thanks for the clear instructions.
When I've tried animations I followed a similar route, Firecapture/ AS3!/ ImPPG/ Corono/ but then used PiPP to produce the animation.
https://sites.google.com/site/astropipp/
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Old 22-10-2020, 04:19 PM
PeterM
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Thanks so much Martin for sharing the way you put together the animation. Very detailed. I can't wait to try it!
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Old 22-10-2020, 05:30 PM
Eris (Gerard)
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Thanks Martin for posting your comprehensive work flow on how to animate solar proms. Much appreciated.
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