Amazing animation made at Big Bear T 1.6 m solar telescope
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Amazing animation made at Big Bear T 1.6 m solar telescope
Here is an amazing animation made with adaptative optics at Big Bear anda TiO filter :
https://est-east.eu/index.php?movie-con ... pot-umbrae
It is completely mesmerizing ...
Enjoy !
https://est-east.eu/index.php?movie-con ... pot-umbrae
It is completely mesmerizing ...
Enjoy !
Christian Viladrich
Co-author of "Planetary Astronomy"
http://planetary-astronomy.com/
Editor of "Solar Astronomy"
http://www.astronomiesolaire.com/
Co-author of "Planetary Astronomy"
http://planetary-astronomy.com/
Editor of "Solar Astronomy"
http://www.astronomiesolaire.com/
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Re: Amazing animation made at Big Bear T 1.6 m solar telescope
The correct link is this one :
https://est-east.eu/index.php?option=co ... pot-umbrae
https://est-east.eu/index.php?option=co ... pot-umbrae
Christian Viladrich
Co-author of "Planetary Astronomy"
http://planetary-astronomy.com/
Editor of "Solar Astronomy"
http://www.astronomiesolaire.com/
Co-author of "Planetary Astronomy"
http://planetary-astronomy.com/
Editor of "Solar Astronomy"
http://www.astronomiesolaire.com/
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Re: Amazing animation made at Big Bear T 1.6 m solar telescope
Wow!! that is just incredible
I'm looking forward to your version next summer then Christian
Alexandra
I'm looking forward to your version next summer then Christian
Alexandra
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Re: Amazing animation made at Big Bear T 1.6 m solar telescope
See stills no video.?christian viladrich wrote: ↑Tue Nov 30, 2021 12:01 pm The correct link is this one :
https://est-east.eu/index.php?option=co ... pot-umbrae
Dan
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Re: Amazing animation made at Big Bear T 1.6 m solar telescope
Christian:
Incredible animation.
Thanks for the link.
Eric.
Incredible animation.
Thanks for the link.
Eric.
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Re: Amazing animation made at Big Bear T 1.6 m solar telescope
Dan, you have to click on them, then press play
Alexandra
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Re: Amazing animation made at Big Bear T 1.6 m solar telescope
TiO. Titanium Oxide line? 705.7nm is in the deep red or near infrared if my understanding of the spectrum is right. Awesome video. Aperture and good seeing rules!!!
James
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Re: Amazing animation made at Big Bear T 1.6 m solar telescope
Duh. Thanks!
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Re: Amazing animation made at Big Bear T 1.6 m solar telescope
Does anyone make a TiO filter for amateur use? Of course those here with SHGs should be able to image this spectral line? Does it being in the near IR present any problems?
JP
P.S. It looks like our own Mark Townley has done it! https://brierleyhillsolar.blogspot.com/ ... 706nm.html https://brierleyhillsolar.blogspot.com/ ... ength.html and https://brierleyhillsolar.blogspot.com ... ember.html
JP
P.S. It looks like our own Mark Townley has done it! https://brierleyhillsolar.blogspot.com/ ... 706nm.html https://brierleyhillsolar.blogspot.com/ ... ength.html and https://brierleyhillsolar.blogspot.com ... ember.html
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Re: Amazing animation made at Big Bear T 1.6 m solar telescope
Without using a 'proper' ultra narrow band filter any longer wavelength filter will give similar results.
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: Amazing animation made at Big Bear T 1.6 m solar telescope
I've got a TiO filter too, I should use it more, but it does make the image very dark so have to increase the exposure a lot.
Alexandra
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Re: Amazing animation made at Big Bear T 1.6 m solar telescope
Mark and Alexandra, where did you get yours? Baader doesn’t seem to carry them and I couldn’t find them on Omega Optical’s website.
James.
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Re: Amazing animation made at Big Bear T 1.6 m solar telescope
It was Omega Bob I think, but years ago. Like Mark says, just use a regular dark red James.
Alexandra
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Re: Amazing animation made at Big Bear T 1.6 m solar telescope
Incredibile animation, Christian, thank you for sharing
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Re: Amazing animation made at Big Bear T 1.6 m solar telescope
The TiO filter combines :
- the benefit of a G-band filter => you can see the intergranular bright spots,
- the benefit of near-IR filter => the seeing is improved, and the umbra of spot is not very dark, so it is easier to see the umbral dots.
The downside is that the resolution is reduced. So it is more relevant for large size solar telescopes (say > 300 mm).
Bandpass should be < a few nm.
If you be most usefull for a big Dobson equiped with a large size Astrosolar ND 3.8 (which are unfortunately no more available ...).
- the benefit of a G-band filter => you can see the intergranular bright spots,
- the benefit of near-IR filter => the seeing is improved, and the umbra of spot is not very dark, so it is easier to see the umbral dots.
The downside is that the resolution is reduced. So it is more relevant for large size solar telescopes (say > 300 mm).
Bandpass should be < a few nm.
If you be most usefull for a big Dobson equiped with a large size Astrosolar ND 3.8 (which are unfortunately no more available ...).
Christian Viladrich
Co-author of "Planetary Astronomy"
http://planetary-astronomy.com/
Editor of "Solar Astronomy"
http://www.astronomiesolaire.com/
Co-author of "Planetary Astronomy"
http://planetary-astronomy.com/
Editor of "Solar Astronomy"
http://www.astronomiesolaire.com/
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Re: Amazing animation made at Big Bear T 1.6 m solar telescope
Fantastic animation Christian, thanks for sharing
Pedro Re'
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Re: Amazing animation made at Big Bear T 1.6 m solar telescope
christian viladrich wrote: ↑Wed Dec 01, 2021 12:21 pm The TiO filter combines :
- the benefit of a G-band filter => you can see the intergranular bright spots,
- the benefit of near-IR filter => the seeing is improved, and the umbra of spot is not very dark, so it is easier to see the umbral dots.
The downside is that the resolution is reduced. So it is more relevant for large size solar telescopes (say > 300 mm).
Bandpass should be < a few nm.
If you be most usefull for a big Dobson equiped with a large size Astrosolar ND 3.8 (which are unfortunately no more available ...).
I have a 305mm Dobson.
Lunt 8x32 SUNoculars
Orion 70mm Solar Telescope
Celestron AstroMaster Alt/Az Mount
Meade Coronado SolarMax II 60 DS
Meade Coronado SolarMax II 90 DS
Meade Coronado AZS Alt/Az Mount
Astro-Tech AT72EDII with Altair solar wedge
Celestron NexStar 102GT with Altair solar wedge
Losmandy AZ8 Alt/Az Mount
Sky-Watcher AZGTI Alt-Az GoTo mount
Cameras: ZWO ASI178MM, PGR Grasshopper, PGR Flea
Lunt, Coronado, TeleVue, Orion and Meade eyepieces
Visual Observer
" Way more fun to see it! "
Orion 70mm Solar Telescope
Celestron AstroMaster Alt/Az Mount
Meade Coronado SolarMax II 60 DS
Meade Coronado SolarMax II 90 DS
Meade Coronado AZS Alt/Az Mount
Astro-Tech AT72EDII with Altair solar wedge
Celestron NexStar 102GT with Altair solar wedge
Losmandy AZ8 Alt/Az Mount
Sky-Watcher AZGTI Alt-Az GoTo mount
Cameras: ZWO ASI178MM, PGR Grasshopper, PGR Flea
Lunt, Coronado, TeleVue, Orion and Meade eyepieces
Visual Observer
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