Wednesday, December 21, 2011

Celestron NexStar 6 SE Telescope

!±8±Celestron NexStar 6 SE Telescope

Brand : Celestron
Rate :
Price : $699.00
Post Date : Dec 21, 2011 05:42:22
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Celestron NexStar 6SE Telescope. Celestrons first new Schmidt-Cassegrain optical system in over a decade is now available in a high performance Altazimuth computerized telescope. With a total weight of 30 lbs including the tripod, the ultra portable 6 SE features a precision optical system with 1500mm focal length (f/10) and offers 44% more light gathering than a 5" telescope. The NexStar 6 SE has all the same features as Celestrons most advanced computerized GoTo telescopes, including our revolutionary SkyAlign alignment technology, a sky tour feature, a database of over 40,000 celestial objects and easy to use hand control. Plug the optional SkySync GPS Accessory into NexStars Auxiliary port and download data from orbiting GPS satellites for truly quick and easy alignments. The universe may be full of mysteries, but using the NexStar 6 SE isnt one of them. In the tradition of Celestrons famous orange optical tubes, the new NexStar SE Family combines the classic heritage of the original orange tube telescopes with state-of-the-art features including a fully computerized operating system, flash upgradeable hand control, superior StarBright XLT coatings, our revolutionary SkyAlign telescope alignment software and much more. Whether you are a seasoned astronomer looking for a portable scope with advanced features or just starting your astronomy adventure and looking for an easy way to enjoy the night sky, a NexStar SE will help you take a closer look. Every NexStar SE includes a version of The Sky software Level 1 Planetarium software for exploring the Universe on your PC and printing out custom star charts of the sky. In addition, you receive our NexRemote software that allows you to operate your telescope via your PC. Software package valued at over 0 included free with your NexStar SE! Measurements: 30" L x 25" W x 10" H Weight: 30 lbs.

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Sunday, December 11, 2011

Web Cam Astrophotography Basics

!±8± Web Cam Astrophotography Basics

Web cams have changed amateur astrophotography profoundly. You
can now have a CCD for a fraction of the cost. Web cams can take awesome planetary and lunar astrophotos right out of the box. You can use the capture software that comes with the cam for capturing your shots and then use freeware to process the results. Can't get much cheaper than that. Of course for better results it is you should use specialized software, but that is available on the cheap as well.

And if you are a do-it-yourselfer, web cams can also be adapted to take long exposure astrophotos, pretty cool right? Plus there are ready to go, web cam based planetary imagers now available from Celestron, Meade and, Orion. Meade and Orion also have imagers for long exposure, deep-sky imaging. All these include software. They are however more expensive.

If you already have a web cam great, you only need some software which can be downloaded for free, and an adaptor to connect the web cam to your telescope. If you don't own one the following cams have proven to be good for astrophotography and good deals can be found on eBay for example.

-ToUcam Pro by Philips PCVC740K or PCVC840K ToUcam PRO II. I have both of these. I am leaving the new one as a dedicated planetary imager and adapting the PCV740K for long exposure astrophotography.

-Vesta pro also by Philips. I haven't personally used this web cam but others have with great success. It can also be adapted for long exposures.

-Quickcam pro by Logitech. I used to have one of these, but I prefer the ToUcam. It does a good job though and can also be modified for long exposures.

-There are other web cams which are good for astrophotography but these three are the only ones I have experience with.

Now for the adaptor to connect the web cam to your telescope. I use a Mogg adaptor, made by, surprise Mr. Steve Mogg. More information and purchasing can be found at: http://webcaddy.com.au/astro/adapter.htm
For either ToUcam you will want the UWAT-F, for the Vesta Pro the UWAS-F, and for the Quickcam Pro the UWAL-F. He has adaptors for other astrophotography web cams as well.

Next you will need some software to make this all work. Good news it won't cost you a single penny. First you will need some capture software. K3CCDTools version 1 is absolutely free. It works very well to capture astrophotos with web cams. I use version 3 which costs .00 because I use some of the other features it offers but you won't need that for basic planetary work (yet). You can download it at: http://www.pk3.org/Astro/index.htm?k3ccdtools_download.htm.

To get really nice detail in your shots you will need to combine(stack) multiple images. A really nice piece of software is called RegiStax. It is also freeware. You can download a copy at:
[http://registax.astronomy.net/html/download.html].

The next article in this series will be on setting up your web cam and software, capturing your first image during daylight, then getting your first astrophoto (the moon).


Web Cam Astrophotography Basics

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