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Messages 57580 - 57610 of 69347   Oldest  |  < Older  |  Newer >  |  Newest
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57580
I was up on the Opticstar website and notice they show this filter wheel as currently in-stock (part #FW-325). I was wondering if anyone purchased one yet and...
jlummel
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Jan 1, 2008
12:25 pm
57581
Code of Conduct for Meade DSI 1. This group is open to anyone interested in astronomy or astrophotography, without prejudice of previous experience or...
Meade_DSI@yahoogroups...
Send Email
Jan 1, 2008
12:40 pm
57582
Congadualtions leonard!!!!!!!!!!! happy new year hopeing to buy a dsi myself from e-bay ... year. ... of ... Imager...
asd52320032003
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Jan 1, 2008
1:32 pm
57583
How about providing a link. Don ... From: "jlummel" <jlummel@...> To: <Meade_DSI@yahoogroups.com> Sent: Tuesday, January 01, 2008 7:25 AM Subject:...
Don D'Egidio
astrojunkie52
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Jan 1, 2008
1:46 pm
57585
Congratulations Leonard! Those are very nice images indeed. Kel...
Kel
skywardview
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Jan 1, 2008
2:56 pm
57586
Thanks to you. And may your wishes come true during this new year. Happy New Year, Leonard. ... http://autostarsuite.net/photos/cert_nebulae/category1253.aspx ...
Leonard Ellul Mercer
apolen2001
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Jan 1, 2008
3:38 pm
57587
Thanks, Kel, I hope to get also the certificates of the other 3 categories, soon. Happy New Year to you and your family. Leonard. ... ...
Leonard Ellul Mercer
apolen2001
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Jan 1, 2008
3:41 pm
57588
Hi, I have read that deconvolution can improve the sharpness of images, however I wish to know what it means exactly. And how is it applied to images. I have a...
Leonard E. Mercer
apolen2001
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Jan 1, 2008
4:04 pm
57589
Happy New Year Alan. I noted your comment on working with 20 to 30 second exposures. I thought the limit was closer to 10 seconds. Terry - W6LMJ Terrence R....
Terrence Redding
w6lmj
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Jan 1, 2008
4:13 pm
57590
Hi Terry, The limit on exposure time in alt-az mode before field rotation becomes significant varies tremendously according to where the 'scope is pointing. It...
Andy Tabor
andy.tabor
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Jan 1, 2008
4:52 pm
57591
Hello all, At the moment I am thinking about purchasing a Meade DSI Pro III camera. My main focus for this camera would be to do deep-sky galaxy hunting. At ...
Florentijn
fvkastro
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Jan 1, 2008
5:41 pm
57592
Hi Florentijn. While there are many on this site who are more qualified to answer your questions, since I went from the pro II to the Pro III, I'll give it a...
dsantiag6
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Jan 1, 2008
6:49 pm
57593
Florentijn, One item to consider is that the DSI Pro III allows binning, which will increase the sensitivity beyond that which is available with the DSI Pro...
Don D'Egidio
astrojunkie52
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Jan 1, 2008
6:57 pm
57594
... I find that the larger field of view makes it a lot easier to find targets and keep them in the field of view. The mount I use is a Meade LXD75, I don't...
bullfox55
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Jan 1, 2008
6:59 pm
57595
I am looking for the manual/drawings that come with the Meade f3.3 focal reducer. I lost mine and need to figure out which adapter gives me which reduction....
stardaddyed
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Jan 1, 2008
7:12 pm
57596
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the Meade_DSI group. File : /General Tips...
Meade_DSI@yahoogroups...
Send Email
Jan 1, 2008
7:56 pm
57597
Hi, Leonard- The HAIP has a typically good explanation without math but here's a shot off the cuff: The image you are working with represents the "true" image...
Jeff Weiss
jeffweiss9
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Jan 1, 2008
7:58 pm
57598
Alan: You need a repeatable setup that can be replicated time and again. This will decrease your polar alignment time and increase your imaging time. I had the...
Don Singer
donsinger1
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Jan 1, 2008
8:00 pm
57599
Alan, Get yourself a good right angle finder scope and take the time to do a good alignment with your imaging telescope. Then do a Kochab clock alignment or ...
James Drzewiecki
alienintelli...
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Jan 1, 2008
8:02 pm
57600
Hi Leonard, and Happy New Year. One of the best treatises on Deconvolution that I have read was in the "Handbook of Astronomical Image Processing" (HAIP) that...
Niall Saunders
njsgps
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Jan 1, 2008
10:32 pm
57601
Damned if it doesn't! I never noticed that! I think I'll refer to it as the Pitchfork Nebula or Devil's Trident Nebula from now on. ;^) BR oiii5007...
Bill Reynolds
allthatucanc
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Jan 1, 2008
10:35 pm
57602
Why would it reduce the FOV? The chip still has the same physical size, so only the resolution should drop to 50% of its unbinned value. Daryl ... Daryl...
Daryl Doughty
prof40ok
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Jan 1, 2008
10:43 pm
57603
It dosnt reduce the FOV just the image size. The FOV is the wether its binned or unbinned Mark ... -- M.T.S.O. http://Astronomy.Qteaser.com N 44° 35' 03" W...
Mark
qteaser2002
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Jan 2, 2008
12:06 am
57604
Hi Dave, Hard to tell, but I'd love to see the Oiii channel alone. What brand/passband of Oiii is it? Kel...
Kel
skywardview
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Jan 2, 2008
12:14 am
57605
The FOV is the angular view of the sky covered on the chip and that depends only on the optical path in front of the camera. Yes, the file size will be ...
Daryl Doughty
prof40ok
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Jan 2, 2008
1:03 am
57606
Good evening and Happy New Year. In the files library I have uploaded two files: M74 Luminance Flat Field Frame and M74 Luminance Light Frame. Here's my...
gradyboyce
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Jan 2, 2008
1:41 am
57607
Good evening and Happy New Year. This group has many experts and I am praying that someone lives in DFW??? I would like to see if anyone in this area would be...
gradyboyce
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Jan 2, 2008
1:43 am
57608
Ed, Magnification = 1 - Fd / Fl And the FL of the Meade F3.3 is 88mm. Gene Above from: http://www.mapug-astronomy.net/ragreiner/opticlens.html#Top...
lynol1000
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Jan 2, 2008
1:46 am
57609
Hi Grady, Flats are not subtracted. They are divided pixel by pixel. Typical flat fields have pixel values varying right around 1.0. So dividing a perfect flat...
Jeff Hopkins
hposoft
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Jan 2, 2008
2:09 am
57610
Gene Thanks but that is not exaclty what I an looking for. The reducer comes with the the adapter and two spacers. Each spacer gave a different focal length....
stardaddyed
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Jan 2, 2008
2:11 am
Messages 57580 - 57610 of 69347   Oldest  |  < Older  |  Newer >  |  Newest
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