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Messages 19397 - 19427 of 42408   Oldest  |  < Older  |  Newer >  |  Newest
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19397
I know that sometimes, the noise pattern I get with my 10D has a vertical or horizontal banding effect, probably a result of the 'noise reduction' they are...
DEREK BAKER
astroweather...
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Nov 1, 2003
8:27 am
19398
Hello all, I juste posted my first picture taken with the 130 EDF on my web site: http://users.swing.be/dk.astro.photo/quartier.htm Last moon quarter taken on...
dkeus31
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Nov 1, 2003
3:01 pm
19399
... Thanks Rich for the info. Ron B[ee]...
ronbee77
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Nov 1, 2003
7:41 pm
19400
... someone who ... back up his ... are misleading, ... their own ... Thanks Roland. Indeed as you've said a few times, there are a lot of misleading/false...
ronbee77
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Nov 1, 2003
7:46 pm
19401
Hi all, I had uploaded a image file taking from 105EDT and Canon 10D (by prime focus) in the following link, <http://photos.groups.yahoo.com/group/ap- ...
chingkitman
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Nov 1, 2003
9:00 pm
19402
... Don't forget that the Traveller works at F/6 and the 130 EDT at F/8. The faster the F ratio is, the stronger the field curvature is. It is the same for any...
Gilles COHEN
gilles1552002
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Nov 1, 2003
9:27 pm
19403
Hi Gilles, Do you mean that the coma is raise from the not-so-accurate focusing? Thanks. Regards, Ching ... From: "Gilles COHEN" <gilles.cohen8@...>...
ching
chingkitman
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Nov 1, 2003
9:48 pm
19404
What about the following name for the new Astro-Physics eyepiece design: Astro-Physics PLANETFIRE Thanks, Bob Sinitiere, Baton Rouge, La. [Non-text portions...
BOBSTAR9@...
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Nov 1, 2003
9:57 pm
19405
Hi Ching, It is very difficult to evaluate anything from that photo. It has a lot of jpeg artifacts and it is too small to properly evaluate. Can you post a...
Mark Jenkins
markjpcs
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Nov 1, 2003
10:29 pm
19406
I finished my Rosette mosaic project last night. The previous shot I posted was a taste of the final result: this shot went deeper than the previous one. I...
rdcrisp
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Nov 1, 2003
11:07 pm
19407
... From: "chingkitman" <chingkitman@...> To: <ap-ug@yahoogroups.com> Sent: Saturday, November 01, 2003 4:00 PM Subject: [ap-ug] Coma on Traveler ... ...
Alan French
alandfrench
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Nov 2, 2003
12:14 am
19408
Roland: What about "Spartan" planetary eyepieces. Best regards, Eric.(México)...
Eric Roel
eroelmx
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Nov 2, 2003
1:48 am
19409
At the end of the Photo section, there is a solar image in white light taken with the 6" f/12 A-P, the Baader Herschel Prisma and the 2X Barcon Barlow. I used...
Eric Roel
eroelmx
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Nov 2, 2003
2:00 am
19410
Its interesting to see the large telescope projects use computer generated holograms as null lenses to test optics. In fact the Hubble Costar package was...
glasspusher2001
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Nov 2, 2003
5:14 am
19411
Excellent! Mark...
Mark Jenkins
markjpcs
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Nov 2, 2003
7:21 am
19413
Hi, I am expecting to receive a used Traveler soon and wanted to know if my Tak 2.8 and 4mm Hi orthos will come into focus, I also have a few other eyepieces...
dcx3420
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Nov 2, 2003
8:51 am
19414
I have not seen an eyepiece that won't come to focus. There is a lot of back focus. You should be fine. I used both of the eyepieces you mentioned in a...
Brian Sledz
bsledz
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Nov 2, 2003
12:44 pm
19415
Yes, if focusing is not accurate enough, the image will show stars more distorded than they should be. But you should post a crop of the area you are talking...
Gilles COHEN
gilles1552002
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Nov 2, 2003
1:41 pm
19416
Note that APO's do not have coma. They "suffer" from field curvature and some astigmatism. Gilles...
Gilles COHEN
gilles1552002
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Nov 2, 2003
1:42 pm
19417
It's not coma. it's guiding errors. Joe...
joe
astrojoe1
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Nov 2, 2003
3:21 pm
19418
Hi Gilles and Mark, I had tried to uploaded a cropping version of the original tif file. However, the system reject as it only support jpg or gif file. Please...
ching
chingkitman
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Nov 2, 2003
4:59 pm
19419
... Any comment on the potential diagonal problem. Thanks...
dcx3420
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Nov 2, 2003
7:43 pm
19420
The old TV 1.8 Barlow WILL hit the mirror in the AP Maxbrite diagonal using the standard AP 2" to 1.25" adapter which is about 7mm tall. AP has a taller ...
Stephen E. Russell
stargoat70
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Nov 2, 2003
8:22 pm
19421
For the ultimate deep sky imaging test try Einstein's Cross. Even moderate sized scopes will reveal the galaxy that is doing the lensing. This galaxy is the...
glasspusher2001
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Nov 2, 2003
8:58 pm
19422
I was notified by The High Priest of Hydrogen Alpha that others had been down the Rosette road before me and had shown the way. CFHT, as a matter of fact, bore...
rdcrisp
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Nov 2, 2003
10:29 pm
19423
Roland et al., I wish to suggest that, in order to reduce the likelihood of trademark conflicts, A-P turn to classical Latin in naming its new line of super...
skyguy7@...
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Nov 3, 2003
12:11 am
19424
First Image: Here is a Pelican I shot last week at the Peachstate Star Gaze with my AP130, 600eGTO, and ST8XE. Med Image (400k) ...
Chris Hetlage
chrishet55
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Nov 3, 2003
4:53 am
19425
I tried the Cocoon nebula tonite. I got 35 pics at 150 sec, ISO1600 thru my AP130 f/8 at F/6: http://tinyurl.com/tey2 I like the colors in this guy. Kurt ...
Kurt Friedrich
kurt_friedrich
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Nov 3, 2003
7:39 am
19426
beautiful!!...
digidodi
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Nov 3, 2003
7:59 am
19427
Having à 400QMD GEM for 2 years, I would like now to auto-guide this mount in order to perform long exposure pictures with my HX516 camera I read on 400QMD...
jeanpierreprost
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Nov 3, 2003
10:25 am
Messages 19397 - 19427 of 42408   Oldest  |  < Older  |  Newer >  |  Newest
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