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Old 30-10-2010, 11:39 AM
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Sunspots with Lunt Solar Wedge

Hey all,
This is my capture from this morning of the Sunspot AR1117 and friends, image details as follows;

Lunt solar wedge and ED80 telescope
dmk41 webcam and 2.5x Powermate
HEQ5 mount with Solar Autoguider
8 minutes of video stacked in Registax, curves and levels adjusted

I am really happy with the Solar wedge, the image offers more than my previous whitelight filters, even visually the image is just plain beautiful. I needed to use the powermate as I did not have enough inwards focus on the ED80 without it.
Cheers,

Trent
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Last edited by trent_julie; 30-10-2010 at 03:08 PM. Reason: added image
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Old 30-10-2010, 03:34 PM
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Cool!
How many alignments points do you use in Registax?
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Old 30-10-2010, 03:36 PM
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Quote:
Originally Posted by Matt Wastell View Post
Cool!
How many alignments points do you use in Registax?
I used four of differing sizes....
one for each "spot" and then an overall alignment point...
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Old 30-10-2010, 05:16 PM
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Cool images. I was wondering how a Lunt wedge would go on my Orion EON80.

Just wondering what the results would be if you selected say 30 sec or 1 minute worth of movie for your image given the way the solar features move around a bit over several minutes? I was surprised to find in hydrogen alpha images that shorter captures were sometimes sharper than longer ones for that reason.
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Old 30-10-2010, 05:32 PM
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Very nice and sharp! Looks like a couple of alignment artifacts from Registax, but apart from that the result is excellent.

Glad to see some solage for today... I captured 6 AVIs this morning and all were corrupt... I have some big problems to sort out since upgrading my anti-virus software...

Al.
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Old 30-10-2010, 06:24 PM
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Thanks for the feedback,
As a result I have reduced the amount of frames placed into registax, and had another shot, to get rid of those artifacts and also sharpen up the image some more.
Thanks again for all the encouragement and feedback, it is really helping me to get better results.
Cheers,

Trent
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Old 30-10-2010, 06:34 PM
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Very nice Trent. There is some good detail in those shots.

If you are in the mood to experiment, you might also want to try using AviStack, another freeware product that seems to do a good job on solar images by using a whole stack of alignment points (at least that is my simple understanding of it). It seems to cope well with the poor seeing that ripples across an .avi. I've just started to use it myself.
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Old 30-10-2010, 07:02 PM
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Lovely, I've got a Lunt wedge coming.
Are you using the polarizers as recommended by Lunt?

Bye TheWay ............. Thanks for the great images!
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Old 31-10-2010, 10:45 AM
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Quote:
Originally Posted by Max Vondel View Post
Lovely, I've got a Lunt wedge coming.
Are you using the polarizers as recommended by Lunt?

Bye TheWay ............. Thanks for the great images!
Max,
I didn't have polarizes fitted for imaging, however, they would come in very handy for observing, as the image is bright.
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Old 31-10-2010, 11:09 AM
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Hi Trent - great re process!
Looking forward to more of your images!
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Old 31-10-2010, 02:39 PM
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Hi Trent - great re process!
Looking forward to more of your images!
me too!

Al.
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