Scroll down to the bottom of the page for the link to one of the best sct collimation guides online. Click here to access the file archives of this group. Our goal is to help you understand what a file with a. Laser colli instructions for newtonians and scts alpine.
Collimating your sct rod mollise basically, its a twopart process stage 1 rough collimation setup the scope and put a medium bright star in the field of an eyepiece. Sct collimation the newfangled way hardly seems possible its been eleven frackin years since i started my sctuser yahoogroup. The holy grail of collimation for any reflector telescope is the perfect alignment of. How do i collimate my schmidtcassegrain telescope sct. Unfortunately many antivirus tools will complain and regard it as a virus because it is a new package and also possibly because it makes use of the local network for udp broadcasts. From the dropdown menu select choose default program, then click browse and find the desired program. The first and the easiest one is to rightclick on the selected sct file. Collimating your schmidtcassegrain telescope in just a few. Addendum to the advanced gt mount manual firmware v. If you follow the instructions exactly, it is a straightforward procedure. No the stange thing is that both scts startest well. Collating two pdf files solutions experts exchange. Ccdinspector works with your camera acquisition software to allow realtime evaluation of images to determine collimation, camera tilt and focus.
The lightweight design on our sca laser collimator makes you gain reliable precision collimation. I zipped over to izar, and it was much better resolved at 150 magnification than before my collimation tweak. Make collimation adjustments with your ccd camera to an accuracy not available with eyepieces or manual collimation aids. For the sct, manufacturers instruction manuals and other respected sources invariably describe only star collimation 1,2, typically adjusting firstly for symmetry of the shadow of the secondary mirror when offfocus at moderate magnification, followed by. How to load a custom tune to the x4livewire tsitsxtsx.
For those readers who may not be familiar with this technique, the process known as collimating a schmidtcassegrain telescope is a misnomer, in the field of optics, because its actually a procedure for aligning the secondary mirror of the sct to the primary mirror. Setup the scope and put a medium bright star in the field of. Schmidt cassegrain telescope advice maintenance sct. Just got one of these to help collimate my refractors. Consequently, collimation is at least 4 to 5 times more accurate. Collimating an sct is simply a matter of adjusting the three screws on the secondary mirror. Gas and diesel tuners tuning software sct performance. The factory screws often require a screwdriver or allen wrenches of various sizes to perform the adjustments. How to strip and clean the optics of a sct schmidtcassegrain. However this is not a problem, the method of collimation is equally as simple as the sct. Ron wodaskis collimating a cassegrain page note that most folks in the northern hemisphere use polaris as the star to collimate their scts because it doesnt move much during the time it takes to collimate a scope. A question about telescope collimation optics lab tips and. The owners manual is also available as a pdf file on the celestron web site. To your query maksutovs can look quite confusing regards collimation.
At the center of the guide are the reference designations for the screws and their orientation as you face the front of the telescope. For an sct, the only component a user can adjust during collimation is the secondary mirror. Cassegrains perform poorly is that even a slight miscollimation of an scts optics can. All file types, file format descriptions, and software programs listed on this page have been individually researched and verified by the fileinfo team. I have a scanner with a page feeder so i simply let it scan all odd pages into one pdf file, then turned the pile over and scanned all the even pages into a second pdf file. So nothing has been sacrificed while you get a statoftheart laser collimation instrument. This list is created by collecting extension information reported by users through the send report option of filetypesman utility. Kitchen table collimation of a cassegraintype reflector british. I have a binder with approx 150 pages of stuff printed on both sides of each sheet. You can access the help using the menu of f1 from within metaguide. Recommended software programs are sorted by os platform windows, macos, linux, ios, android etc. There are three stages to a really good collimation using the stars or a starlike source such as a solar reflection off a distant ball bearing or christmas tree ornament. Close focus is the point of closest focus you can use on your telescope. Ive had a lot of fun with it, and its still quite active, though time seems to be passing the good, old yahoogroups by in favor of glitzier venues.
Browse your computer to the custom tune file location. This changes the tilt of the mirror and aligns it with. Before collimating, a brief explanation of sct optics is required. Current daytime techniques there is no accepted standard daytime collimation routine for an sct that i have been able to find. And of course, our laser collimator is cnc machined with the tightest tolerances. Alignment is easy using the small opening on one end and thin cross hairs at the other end. The celestron cheshire collimation eyepiece is ideal for precise collimation of newtonians and helpful for aligning schmidtcassegrains.
Collimation definition of collimation by medical dictionary. Pdf collimation and other effects of the kerr field. The collimation technique can be implemented on any size telescope. Its possible you may need to download or purchase the correct application. Manuals celestron telescopes, telescope accessories.
This as the secondary has no adjustmentscrews like its cousin, the schmidtcassegrain sct. Find the tune file on the computer and click on it, then click open. File extension sct simple tips how to open the sct file. The starizona night owl is a 4element reducer designed to increase the field of view on standard sct telescopes not edgehd or acf models by 2. The farther you put the target away, the more accurate it will be as you are increasing the f ratio of the collimation beam. Select the browse button in the top right of sct updater. A considerable number of persons have posted me about their problems with the use of a laser collimators to collimate their sct telescopes. If you want to associate a file with a new program e. Laser collimation for schmidt cassegrain telescope.
However my 6se did not the circles only partly overlapped and were off centre. Step 2 choose the pdf format from the dropdown list as the output format, and click the convert button, you can convert up to 5 files at the same time and a maximum size of up to 300 mb. Dec 24, 2016 by increasing the distance of the lasers from the sct you can make it even more accurate, and when i finally settled on the collimation and star tested it the result was as good as can be. My objective is to digitize the data for posterity. The advanced ct laser collimator simulates a real distant star light path, and as a result it can collimate most telescopes which primarily rely on star collimation. My 8se showed perfect concentric circles all centred on the crosshairs. Baader planetarium mkiii laser colli laser collimator. If your file associations are set up correctly, the application thats meant to open your. It can be created in adobe photoshop or on scitex workstations using scanners for the highquality processing and preparation of high quality images for printing. Sct is listed in the worlds largest and most authoritative dictionary database of abbreviations and acronyms the free dictionary. Orient your scope so its easy to reach the collimation screws. For both sct and rc designs, viewing the hall of mirrors effect of.
Therefore, it is a simpler process but you will need to prepare ahead for your laser collimation only once. The stars were also nice and round, so overall a much more pleasing image. Unfortunately, many new cat owners seem intimidated by this simple process. Download fulltext pdf collimation and other effects of the kerr field. This is an uncompressed format for storing bitmaps in grayscale or in the rgb or cmyk color systems. Kitchen table collimation of a cassegraintype reflector. May 04, 2019 a pdf of documentation and a text file of updates will be installed in the metaguide directory. The night owl also flattens the field for beautiful results across a 16 mm image circle.
Collimation is critical for good optical performance of your telescope. I also noticed i could use higher magnifications post collimation without the target stars going dim and soft. If you plan to collimate an sct with the baader laser colli, please note that this requires you to centerdot the sct secondary first. Collimation is best done by two people it is not a group activity, one looking through the eyepiece while the other adjusts the colimation screws. Collimation of a sct is critical to getting the sharpest images possible, especially when viewing planets at high magnification.
Please read the instructions below before ordering this item and before attempting collimation to make sure you are comfortable doing this. Collimation of a sct is critical to getting the sharpest images possible, especially when viewing. Read your telescope instruction manual for the correct procedure to remove the main. Catseye collimation llc 42 belmont place madison al 35756, usa email. For a long time since the introduction of the sct, traditional star collimation has been the only. Collomating cassegrain telescope free pdf file sharing. Once you record which way the screws move the image, and follow page 4748 in the manual this is unchanged since i had an old lx200, the iteration. Looking for online definition of sct or what sct stands for. Collimation is vital due to the fast secondary in these scopes you have to move the collimation screws very slowly and recentre after each adjustment as this prevents the star flying out of view. You will have to premark the returning laser dot on the target grid. Basically, its a twopart process stage 1 rough collimation. Custom tune file button in sct device updater to begin. The only thing is, it is an expensive bit of kit, and once you are happy, it is likely to spend a long time in its case not doing anything.
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