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  • Members: 4291
  • Category: Astrophotography
  • Founded: May 31, 2000
  • Language: English
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Messages 62714 - 62745 of 72843   Oldest  |  < Older  |  Newer >  |  Newest
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62714 Bob Runyan
runrob68876 Send Email
Jul 4, 2008
3:02 pm
Hello Al: You have already received some good recommendations, however, should you wish to pay a visit to our club site, most of my astroimaging is done with...
62715 Νικος Πασχαλης
np252003 Send Email
Jul 4, 2008
3:48 pm
... miscollimation ... it's ... characteristics. ... Yes ccd internal guide chip ... were ... where ... slightly ... Yes maybe, i am waiting my parallax rings...
62717 Neil Fleming
neilfleming Send Email
Jul 4, 2008
6:45 pm
Rainer, I've been thinking about your statements re clipping data if working in sRGB versus a wider gamut. So, I asked one of the most authoritative gents I ...
62718 Neil Fleming
neilfleming Send Email
Jul 4, 2008
6:47 pm
Nice result, Stephane. Nice scope! Great color balance. You going to try to add in some Ha or OIII? ... ...
62719 Neil Fleming
neilfleming Send Email
Jul 4, 2008
6:50 pm
You might have seen the note I got from Noel on the topic by now, Sander. He argues, and I think it makes sense, that the color space choice impacts the ...
62720 Yahoo - Wodaski
rwodaski Send Email
Jul 4, 2008
7:12 pm
If you can't afford a high-end mount, then the best thing to do is to keep your focal length short, and the weight of the load small. For example, I'm...
62721 sforster12 Send Email Jul 4, 2008
7:52 pm
Al, If you're over your budget right now, I'd wait and save more $$. There is no sense buying junk, and then reselling it at a loss. Find the imager in your...
62722 Murray Hammick
mphammick Send Email
Jul 4, 2008
7:53 pm
Al, Do not overlook the cheaper CCD camera systems such as the Meade DSI or the Orion equivalent. You can pick these up for so little on Astomart and you might...
62724 Neil Fleming
neilfleming Send Email
Jul 4, 2008
11:28 pm
Another good one is the Orion EQ-G. Around $1500. 20-40 arc second error, but it guides out well. ... === message truncated === ...
62725 davidrobertloveland
davidrobertl... Send Email
Jul 5, 2008
6:49 am
I can't seem to find any threads on this topic by searching the group. Which is more important in reducing total exposure times, aperture of f- ratio. From...
62726 Yahoo - Wodaski
rwodaski Send Email
Jul 5, 2008
7:25 am
The short answer: yes. Yes, having more aperture will allow shorter exposure times. Point sources will be recorded with better S/N ratio. Yes, having a faster...
62727 JoeMize
sfojmize Send Email
Jul 5, 2008
1:48 pm
Dave, a couple other things to consider; 1) larger objectives do have more light grasp but usually have longer Focal Length's (FL) and higher Focal Ratios (f:)...
62728 ramastronomy Send Email Jul 5, 2008
4:07 pm
Hi, Is there a way to correlate seeing conditions with S/N ratio and use that value to 1) Compute optimal relative exposure times (instead of trying random...
62729 Yahoo - Wodaski
rwodaski Send Email
Jul 5, 2008
4:12 pm
I do think that you could develop such a calculation. However, it would be complex and time consuming to come up with. You'd need to take a lot into account:...
62730 carefreecowboy2003
carefreecowb... Send Email
Jul 5, 2008
9:24 pm
I know that everyone has imaged the Horse Head Nebula, but this is my very first attempt at imaging as well as first light with my FSQ-106N. Thanks to some...
62731 JoeMize
sfojmize Send Email
Jul 5, 2008
10:59 pm
Cowboy, lookin' great for a first attempt. :) The first thing I'd address are what appear to be the round reflections above and below Zeta Orionus and the...
62732 Stephane Murphy
sym95734 Send Email
Jul 6, 2008
12:09 am
Thanks Neil, yes I'll capture some Ha data next week.Stephane To: ccd-newastro@...: neilfleming@...: Fri, 4 Jul 2008 11:47:21...
62733 Jim Ferreira
oldfrankland Send Email
Jul 6, 2008
12:11 am
Considering the complexity of the imaging system you have put together, that's a pretty impressive 'first&#39; image. Jim Livermore CA ... my ... 106N. ... Scott, ...
62734 Jim Ferreira
oldfrankland Send Email
Jul 6, 2008
12:11 am
I'd steer clear of the clone CG-5s, unless you have lots of time to tweak and adjust, essentially overhaul...even then, depending upon which drive motors you...
62735 marcjousset Send Email Jul 6, 2008
12:11 am
Hello Stephane, A really good color image of M27. Just one thing, i found the nebula a little bit fuzzy in comparison with the stars. Now you have to acquire ...
62736 marcjousset Send Email Jul 6, 2008
12:11 am
Hi all, I would like to share my latest image of M57 taken with my C14 and the STL. But the nights are really too short so i was not able to acquire during...
62737 Murray Hammick
mphammick Send Email
Jul 6, 2008
3:06 am
You should be feeling very pleased with that image - I am sure it can be tweaked - but it is a very competent image in its own right. Impressive. Murray ... ...
62738 Murray Hammick
mphammick Send Email
Jul 6, 2008
3:06 am
If you can afford it I would try for GoTo capabilities - just to remove one more element from the loop. I agree with Jim's points - and a good astronomer...
62739 davidrobertloveland
davidrobertl... Send Email
Jul 6, 2008
5:32 am
Thank you both for the replies. Looks like I've got a lot of thinking to do. Looks like if I moved to a 7" f/4 mak newt from a sky 90 f/4.5, I'd have faster...
62740 Ted Agos
romocsa Send Email
Jul 6, 2008
6:30 am
Also keep in mind that the faster f/ratio also meens that the sky fog will build quicker. Ted Agos N1SBM 11 Daniel Drive. N. Oxford Ma. 01537 508...
62741 ramastronomy Send Email Jul 6, 2008
6:43 am
Thank you so much Ron for your valuable feedback. R, ... would be ... into ... transparency of ... (there are ... some cases, ... ...
62742 carefreecowboy2003
carefreecowb... Send Email
Jul 6, 2008
3:50 pm
Thanks Murray for your positive feedback. Denny ... can be tweaked - but it is a very competent image in its own right. Impressive. ... my ... 106N. ... Scott,...
62743 Mohammad Odeh
odehjas Send Email
Jul 6, 2008
4:00 pm
Greetings, I wonder if there is a software which does live stacking! i.e. I want to connect my video camera to the PC and to use a software which shows an ...
62744 Murray Hammick
mphammick Send Email
Jul 6, 2008
4:00 pm
Just bear in mind - if someone has not already mentioned it - that moving from a refractor to a mirrored system does not give you ALL of that extra aperture;...
62745 ramastronomy Send Email Jul 6, 2008
4:00 pm
Hi, I would appreciate any guidance from anyone who has attempted removing a Meade 8" LX200GPS from its fork mount to install it on an equatorial mount. I have...
Messages 62714 - 62745 of 72843   Oldest  |  < Older  |  Newer >  |  Newest
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