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Messages 7189 - 7218 of 7218   Oldest  |  < Older  |  Newer >  |  Newest
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7189
... From: hercule To: narrowbandimaging@yahoogroups.com Sent: Tuesday, November 03, 2009 1:23 PM Subject: [NBI] Followup to Deconvolution. Hi, We talked about...
Richard Crisp
rdcrisp
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Nov 4, 2009
2:00 am
7190
This is the difficult aspect of deconvolution -> how to estimate the best target PSF to deconvolve. this sounds simple at first until you try. I will one of...
Benoit Schillings
benoit_schil...
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Nov 4, 2009
2:25 am
7191
here's a fun one to try Benoit www.narrowbandimaging.com/incoming/camel_ngc7331_ap1809edt_u8300_300sec_00XXX_16.fit ... From: Benoit Schillings To:...
Richard Crisp
rdcrisp
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Nov 4, 2009
2:52 am
7192
Ok. let me give it a try. might take a little bit of custom code. -- benoit...
Benoit Schillings
benoit_schil...
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Nov 4, 2009
2:58 am
7193
Hello to all: They are 9 frames of 20 minutes, for a total of three hours, with the filter of Ha of 3 nm, telescope Epsilon 180 and camera QSI540. ...
mexhunter
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Nov 4, 2009
3:05 am
7194
thanks speaking of custom code: After looking at that image Jim Janesick was telling me of some code they wrote at JPL for handling split events in soft Xray...
Richard Crisp
rdcrisp
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Nov 4, 2009
3:11 am
7195
Thats really interesting! There is lots of similaritys beween image processing in radiology and astroimaging. Both are handling with a very weak signals. My...
hercule
hercule1939
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Nov 4, 2009
9:30 am
7196
this isn't radiology JP it is the way that charge transfer efficiency is measured you use a soft Xray source such as Iron55 to stimulate the sensor each Xray...
Richard Crisp
rdcrisp
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Nov 4, 2009
2:01 pm
7197
Announcement: Baader is better. We are proud to now offer Baader Filters for TRUE CCD images without the "problems" other filters have been know to cause ...
Richard Crisp
rdcrisp
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Nov 4, 2009
8:57 pm
7198
does this signal the beginning of the end of grossly-overpriced marginally-performing filters that are sold primarily to the ignorant and gullible by the...
Richard Crisp
rdcrisp
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Nov 5, 2009
2:58 pm
7199
Hello to all: Like the shining Moon still this, last night I aimed at the nebula Elephant Trunk, IC1396. By all means, the humidity arrived and I had to stop...
mexhunter
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Nov 5, 2009
10:59 pm
7200
I took some dark signal data when I had the U8300 recently today with all the interest in low cost KAF8300-based cameras featuring reduced cooling such as the...
Richard Crisp
rdcrisp
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Nov 6, 2009
2:35 am
7201
I have an FLI IMG 6303e that I bought second hand, am I going to have a problem with RBI? with this camera? I think I understand what it is but how do you deal...
stlfiremedic35
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Nov 6, 2009
11:59 pm
7202
I have an FLI IMG 6303e that I bought second hand, am I going to have a problem with RBI? with this camera? I think I understand what it is but how do you deal...
stlfiremedic35
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Nov 7, 2009
12:01 am
7203
the KAF6303E camera will have RBI it may or may not be a problem for you. one way to deal with it is to flood the sensor and then flush it prior to every...
Richard Crisp
rdcrisp
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Nov 7, 2009
12:12 am
7204
Ken: I never noticed the problem until I was imaging a sequences of RGB images with Dark images. I was doing this on M34 which has lots of bright starts. When...
Lawrence D. Lopez
lawrence_d_l...
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Nov 7, 2009
1:45 am
7205
Ken: Another thing I was noticing was noise from fast down loads. I was thinking that this would mask the effect somewhat. The increased noise from the...
Lawrence D. Lopez
lawrence_d_l...
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Nov 7, 2009
6:33 am
7206
Larry How about posting one of your images sometime? I don't think I have ever seen one of yours...
Richard Crisp
rdcrisp
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Nov 7, 2009
6:51 am
7207
Do you realy have to pay $1500 to $2000 for Narrow band filters? Ken...
stlfiremedic35
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Nov 7, 2009
8:58 am
7208
only if you buy overpriced ones that the sheeple buy because they don't know any better the Baader are wonderful filters and are much less expensive: in part...
Richard Crisp
rdcrisp
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Nov 7, 2009
11:28 pm
7209
Ok then I`ll look into the Badder filters I read a post by Astro-Don about how superior his filters are to the others, he used a lot of tech. talk and sounded...
kbise@...
stlfiremedic35
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Nov 7, 2009
11:58 pm
7210
... I find it interesting that Anacortes just started carrying Baader filters and the press release says: Baader is our newest vendor. We and others think they...
Michael S Fulbright
mikefulb
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Nov 8, 2009
12:03 am
7211
I saw that too Michael seeing how they had previously been "tattooed on the forehead" supporters of all things Astrodon, I have to be a bit curious about what...
Richard Crisp
rdcrisp
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Nov 9, 2009
2:00 am
7212
Personally based on my experience dealing with that guy, I would be careful to confirm independently his claims i can show you postings he made many years ago...
Richard Crisp
rdcrisp
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Nov 9, 2009
2:05 am
7213
I made an example of Tone Mapping procedure. http://astroanarchy.blogspot.com/2009/11/power-of-tone-mapping.html Comments are welcome and if somebody is trying...
hercule
hercule1939
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Nov 9, 2009
7:48 am
7214
Hello J-P: I am used to processing nebulas and stars in joint form, without separating them, reason why the process is an interesting newness. By the...
Cesar Cantu Quiroga
mexhunter
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Nov 10, 2009
1:06 am
7215
... Hi, JP, I am a relative beginner, and tried the process. I did get a little lost, and ultimately didn't finish; seemed to me that at times you used...
Robert
rjhertel2001
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Nov 10, 2009
1:40 am
7216
Thanks Guys, This method is for "ready" images. Meaning fully calibrated and stretched material. Bob, I can see what you mean, I'll keep that in my mind. J-P...
hercule
hercule1939
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Nov 10, 2009
9:12 am
7217
Perhaps this should be titled: "Messr's Brown/Puckett: Tear Down This Wall......" it is interesting that at least some members of the Apogee group that post...
Richard Crisp
rdcrisp
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12:11 am
7218
Hello to all: There is some prescription to combine frames of Ha with those of RGB? Thank you very much and greetings Cesar...
mexhunter
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4:32 pm
Messages 7189 - 7218 of 7218   Oldest  |  < Older  |  Newer >  |  Newest
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