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PostPosted: Sun May 29, 2011 9:29 pm 
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First new toy is : Baader Herschel Wedge for White Light Solar viewing. It compatible with refractors only

Image

The second toy is a Lunt 60mm H-alpha/B600/PT solar scope.

This is my setup : Image

I took this picture early this morning when I went out observing. now the cloud has set in. They will clear later tonight.

I will do some solar imaging later tonight and hopefully I can share with you guys. I can only use the Baader and my refractor with the DSLR until I get the new BF1200 2" diagonal from Lunt (They made an error on my original order). I will be using my DMK31 Monochrome CCD camera.

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Last edited by Symtex on Mon May 30, 2011 12:32 am, edited 1 time in total.

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PostPosted: Sun May 29, 2011 9:39 pm 
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Looking forward to it! Good luck!

PS - I've edited your title so it's clearer what the thread is about.


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PostPosted: Sun May 29, 2011 11:40 pm 
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Thx Gordon. While I was posting. The cloud's move away. I ran outside and capture for about 1 hour. I need to process my video in Registax now.

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http://www.astronomyphotography.com


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PostPosted: Mon May 30, 2011 12:33 am 
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First full disk. 3 video stick together

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Canon T2i (550D)- Tamron 17-50 F2.8 Non-VC, Sigma 70-200mm F2.8 EX DG OS HSM, Canon EF-S 55-250mm F4.5-F5.6
http://www.astronomyphotography.com


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PostPosted: Mon May 30, 2011 1:02 am 
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Prominence
Image

2nd prominence
Image

Very active region (AR1226 i believe)
Image

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Canon T2i (550D)- Tamron 17-50 F2.8 Non-VC, Sigma 70-200mm F2.8 EX DG OS HSM, Canon EF-S 55-250mm F4.5-F5.6
http://www.astronomyphotography.com


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PostPosted: Mon May 30, 2011 2:15 am 
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In color
Image

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Canon T2i (550D)- Tamron 17-50 F2.8 Non-VC, Sigma 70-200mm F2.8 EX DG OS HSM, Canon EF-S 55-250mm F4.5-F5.6
http://www.astronomyphotography.com


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PostPosted: Mon May 30, 2011 6:26 am 
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Great! Very nice pictures to see!

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Panasonic DMC-FZ18, Panasonic DMC-FZ28, Canon G5, Canon 350D, Canon 50D + BG-E2N
Tamron 17-50 2.8, Canon EF 70-200mm f/4L USM,
Canon 18-55 II plus lots of Minolta MD/M42 lenses and bodies


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PostPosted: Mon May 30, 2011 7:20 am 
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Very very cool! (or to be more accurate, very hot!)


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PostPosted: Mon May 30, 2011 8:24 am 
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Very nice. That reminds me I keep forgetting to buy solar film to give this a try myself, as the more "affordable" solution.

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Canon DSLRs: 7D, 5D2, 1D, 600D, 450D full spectrum, 300D IR mod
Lenses: EF 35/2, 50/1.8, 85/1.8, 135/2+SF, 28-80 V, 70-300L, 100-400L, TS-E 24/3.5L, MP-E 65, EF-S 15-85 IS
3rd party: Zeiss 2/50 makro, Samyang 8mm fisheye, Sigma 150 macro, 120-300 f/2.8 OS, Celestron 1325/13
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PostPosted: Mon May 30, 2011 2:30 pm 
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You will see with a DSLR is even more difficult. the manufacture install IR/UV cut filter on your camera remove lots of details in the H-alpha spectrum.

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http://www.astronomyphotography.com


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PostPosted: Mon May 30, 2011 2:49 pm 
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What wavelength(s) were you imaging at? Even if the camera cuts out a lot of H-alpha, the sun would be pumping out a load too? Think the nominal loss is only 2 stops or so. Important for nebulae, but is it so important for the sun?

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Lenses: EF 35/2, 50/1.8, 85/1.8, 135/2+SF, 28-80 V, 70-300L, 100-400L, TS-E 24/3.5L, MP-E 65, EF-S 15-85 IS
3rd party: Zeiss 2/50 makro, Samyang 8mm fisheye, Sigma 150 macro, 120-300 f/2.8 OS, Celestron 1325/13
Tinies: Sony HX9V.


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PostPosted: Mon May 30, 2011 3:02 pm 
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this picture were taken in the <0.7 Angstroms spectrum. The lower the angstrom the more surface details you will get. The sunspot should be easily visible. I think you can capture the umbra,penumbra. it's the prominence and surface details that is going to be hard.

This is a picture I took where I change the Angstroms value with the pressure tuner tilt on the solar scope. Its more like white light image of what you should expect from the Baader solar film

Image

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Canon T2i (550D)- Tamron 17-50 F2.8 Non-VC, Sigma 70-200mm F2.8 EX DG OS HSM, Canon EF-S 55-250mm F4.5-F5.6
http://www.astronomyphotography.com


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PostPosted: Mon May 30, 2011 4:24 pm 
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Ok, did a bit of a google around. I previously didn't think about it in too much detail, and though I'd just stick a filter on more for safety than anything else, and see what I get.

Given the repeated mentions of H-alpha, I have to assume that's where some interesting stuff is going on. Further to that, I take it the <0.7 angstroms reference isn't a wavelength (answering my earlier question on wavelength) but more a filter bandwidth as that's waaaaay outside of visible range.

I know it is going to be difficult regardless... even with all the brightness, given the sun is about the same apparent size as the moon.

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Canon DSLRs: 7D, 5D2, 1D, 600D, 450D full spectrum, 300D IR mod
Lenses: EF 35/2, 50/1.8, 85/1.8, 135/2+SF, 28-80 V, 70-300L, 100-400L, TS-E 24/3.5L, MP-E 65, EF-S 15-85 IS
3rd party: Zeiss 2/50 makro, Samyang 8mm fisheye, Sigma 150 macro, 120-300 f/2.8 OS, Celestron 1325/13
Tinies: Sony HX9V.


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PostPosted: Tue May 31, 2011 2:36 pm 
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Wikipedia :

H-alpha (Hα) is a specific red visible spectral line created by hydrogen with a wavelength of 656.28 nm, which occurs when a hydrogen electron falls from its third to second lowest energy level. It is difficult for humans to see H-alpha at night, but due to the abundance of hydrogen in space, H-alpha is often the brightest wavelength of visible light in stellar astronomy.

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Canon T2i (550D)- Tamron 17-50 F2.8 Non-VC, Sigma 70-200mm F2.8 EX DG OS HSM, Canon EF-S 55-250mm F4.5-F5.6
http://www.astronomyphotography.com


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PostPosted: Sun Jun 05, 2011 12:11 am 
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Very nice results!

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