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Messages 131 - 160 of 683   Oldest  |  < Older  |  Newer >  |  Newest
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131
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the roddier group. File : /SW 150-1800...
roddier@yahoogroups.com
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May 2, 2007
10:41 pm
132
Hello to all, Finally I've been able to collimate my scope more or less, in bad seeing conditions, so it has to improve more. I've tried to run the roddier...
mert2home
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May 2, 2007
10:41 pm
133
Hello Mert, I can't get the images to successfully process. It is vital that one not make adjustments to the image that result in changing the raw data....
blandp11
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May 2, 2007
11:16 pm
134
Mert, I had a quick look at the images in FitsView. Couple things I did not like. The background in the images is like -29000 which indicates some FITS...
zeissnut
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May 3, 2007
7:23 am
135
Agreed. It is dangerous to fool with the levels and curves, etc....
zeissnut
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May 3, 2007
7:24 am
136
Thanks Philip for your fast response, I will try again, with raw images, no processing, and maybe even better no stacking either! With regards, Mert ... ...
Lammertus De Vries
mert2home
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May 3, 2007
8:02 am
137
Hello to all, This time I took some time to read the manual ( :-) ) and get some raw image from the avi's. This raw image was split into RGB and I used the ...
mert2home
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May 3, 2007
6:30 pm
138
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the roddier group. File : /SW 150-1800...
roddier@yahoogroups.com
Send Email
May 3, 2007
6:31 pm
139
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the roddier group. File : /SW 150-1800...
roddier@yahoogroups.com
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May 3, 2007
6:31 pm
140
Hello John, Thank you for your fast feedback! I don't like the images either but this is what I was able to get yesterday night after collimation. Collimation...
Lammertus De Vries
mert2home
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May 3, 2007
10:57 pm
141
Hello to all! Today I've been busy with a "little" pinhole of 0,1 mm diameter punched through a steel plate of 1.5 mm thick. This with a sharp pointed...
mert2home
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May 6, 2007
8:07 pm
142
... Sorry to mail again, but this time I "reprocessed" the AVI's again, simply taking 1 image out of the avi for inside of focus and 1 for outside of focus. ...
mert2home
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May 6, 2007
8:17 pm
143
I do not think those are good images, they are too asymmetrical in nature to be good. Check out the images in the other folders for examples of what your...
blandp11
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May 6, 2007
10:03 pm
144
... This is probably not far enough away for an accurate result. You can use it to judge some errors like astigmatism and collimation errors, but the spherical...
zeissnut
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May 7, 2007
6:04 am
145
Mert, These images do not look good to me. There is too much noise. You will really need to stack maybe 1000 images like this to make a decent input image. ...
zeissnut
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May 7, 2007
6:16 am
146
John, Thanks a lot for your time and explications, I will surely do it all over again. However after collimating, the simulated star x4 and log shows nice, but...
Lammertus de Vries
mert2home
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May 7, 2007
4:27 pm
147
Hello group, I hope this time to have recorded something better. This time I treid a lot of different processing, and everytime a different result. This I can...
mert2home
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May 9, 2007
10:59 pm
148
Mert, The images look better -- less noise and and background is above zero. I would try to go maybe 2 - 3 times father from focus, so the central ...
zeissnut
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May 9, 2007
11:56 pm
149
John, thanks for the feedback. Next time I'll try and get some other bright object like Vega or alike and go farther out of focus. With my eyes, the...
Lammertus De Vries
mert2home
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May 10, 2007
7:25 am
150
Mert, Yes the diffraction patterns do look excellent -- well centered and similar on both sides of focus. It is probably a very nice set of optics in that ...
zeissnut
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May 10, 2007
12:07 pm
151
This is probably a commonly asked question, so please forgive the redundancy if it's been asked sevaral times before. After reformating the header of the fits...
glauria_2000
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May 10, 2007
6:54 pm
152
Exactly when did this error message appear? That would be a very important clue. Perhaps post your images in the files area and give more details, and I can...
zeissnut
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May 10, 2007
9:27 pm
153
Hi John, Probably the best way to describe when this happens is in the cookbook. I ran into this problem on the page "Roddier Analysis". When I loaded the...
glauria_2000
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May 10, 2007
10:09 pm
154
John, I created a file called "Bad fits files" in the files section with the files that are creating the problem. I hope they will tell you what I have done...
glauria_2000
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May 10, 2007
10:19 pm
155
Gene, I get the same error message when I try your images. The images have some strange properties in that the pixel values jump from 1 to 256, then 511, and...
zeissnut
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May 11, 2007
12:45 am
156
John, I used K3CCD tools and a Philips ToUCam 740k to take the images, just like what is used in the cookbook. I think I know where I messed up. I did enhance...
glauria_2000
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May 11, 2007
3:21 pm
157
Gene, Yes, that might be it. Do not try to enhance the image in Registax. There is almost nothing you can do at that point which will help a poorly exposed...
zeissnut
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May 11, 2007
4:02 pm
158
Gene and John, I did a silly test on this error and you can reproduce it selecting the upper-left icon to load the images with no images previously selected. ...
Lammertus de Vries
mert2home
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May 11, 2007
4:58 pm
159
... Gene/Group - "virgule" in French translates to "comma" in English, or mathematically as "decimal point". This message is just the equivalent of the good...
m_hollimon
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May 11, 2007
5:40 pm
160
Hello group, I have some strange effect when I load my startest images, namely that the intrafocal image goes to the upper left corner and the extrafocal image...
Lammertus de Vries
mert2home
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May 11, 2007
5:54 pm
Messages 131 - 160 of 683   Oldest  |  < Older  |  Newer >  |  Newest
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