This image is an experiment I did using data from the GONG h-alpha network.
I wanted to show the development of some solar filaments that I also imaged myself in July last year and that showed a very nice development in the days they were visible.
I gathered data from the period from 4th of July until 16th of July with 2 day intervals from the GONG network and processed them in such way that I overlayed the images showing the filaments as they rotated with the sun during this period.
Clearly can be seen how the filament changed on the southern hemisphere and you can even see it as a prominence when it rotated away from Earth. On the northern hemisphere there was a large filament that ruptured during this period and lifted off, which can be seen as it suddenly dissappeared.
I like the result and it gives a nice idea of the activity of the sun in this period.
Credit: GONG data were acquired by instruments operated by NISP/NSO/AURA/NSF with contribution from NOAA.
Filament development - alternative view
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Filament development - alternative view
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Re: Filament development - alternative view
Interesting combination of data from multiple sources...looks very good
Brian
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Photos: https://www.flickr.com/photos/185395281@N08/albums
10'x15 Roll-off Roof Observatory
Takahashi EM400 Mount carrying:
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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
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Re: Filament development - alternative view
Very nice!! I remember this filament/prominence.
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Re: Filament development - alternative view
That came out well!
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Re: Filament development - alternative view
That is a really good image example to show the orientation of active region filaments vs polar crown filaments, I'm wondering if you could submit that as an image in the January challenge above?
I'm not sure I like the colour though
Alexandra
I'm not sure I like the colour though
Alexandra
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Re: Filament development - alternative view
Very good!
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Re: Filament development - alternative view
This is great. It shows very nicely the evolution of various solar features. I really like how you’ve blended the sequence of disks over time into one ‘master’ disk.
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