CELESTRON C5 MANUAL PDF

The tube itself weighs about 7 pounds 3 kg ; the drive and mount about 9 pounds 4 kg , and the wedge another 7 pounds 3 kg. This makes it quite portable. It makes a difference when you have to nip and tuck your schedule here and there to scrape together a half an hour to do some observing. Not having to spend even 10 or 15 minutes to set up and tear down makes a big difference. After I had owned the scope for a year, I decided to give it a name: Opus.

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The tube itself weighs about 7 pounds 3 kg ; the drive and mount about 9 pounds 4 kg , and the wedge another 7 pounds 3 kg. This makes it quite portable. It makes a difference when you have to nip and tuck your schedule here and there to scrape together a half an hour to do some observing. Not having to spend even 10 or 15 minutes to set up and tear down makes a big difference. After I had owned the scope for a year, I decided to give it a name: Opus. All in all, a pretty appropriate nickname.

Note the resemblance. So why buy a smaller scope for the same amount of money? The answer, in a word, is portability. But the C5 manufacturing process was dogged by unexpectedly high costs right from the beginning. Although this design resulted in lower materials costs, the tolerances for each part were correspondingly tighter as well. The higher cost meant a smaller profit margin, and when demand for telescopes burgeoned in the years before the return of Comet Halley, Celestron decided to drop the C5, in , in order to concentrate on production of the C8.

What had happened in the intervening decade to prompt Celestron to bring back the unprofitable 5-inch SCT? First, nighttime skies had brightened considerably, due to the increased use of poorly designed light fixtures, especially around the mini-malls that had seemingly sprouted out of the ground in urban areas.

Then, too, Celestron had completely redesigned the C5 series. The most immediately obvious difference was the clean white tube that graced the new telescope.

Also, the twin-arm fork had been replaced by a one-armed mount that reduced its weight even further. Although this halved "fork" led to rumors of greatly compromised stability, in practice its damping time was not significantly longer than that of its predecessor. The new C5 came in three flavors. First was the C5 Classic, which retained the AC-powered drive of the old orange-tubed model. Also, it had a more robust 6x30 finder, rather than the spindly 5x24 of the Classic, and enhanced coatings on its optics.

Finally, there was the C5 spotting scope. The price dropped somewhat to compensate. In July, Celestron finally announced the Nexstar 5. The N5 was a fully-equipped goto telescope: One could align against any two bright stars in the sky, and then dial up any position or object in its substantial database. But the G5 and G3 were not to survive for long; the G3 was out of the market by late , the G5 followed suit a year later, and Celestron retired at least for the time being its 90 mm OTA.

The N5 continued, along with the steadfast C5 spotter, until , when it was discontinued, only to be replaced by the Nexstar 5i which came out with the Nexstar 8i.

The hand controller was also upgraded to make object selection somewhat more intelligent—no more would the telescope slew to objects below the local horizon.

Like the G5, however, these models were fated to a short lifetime, and Celestron discontinued them in Celestron abruptly ended the run of the N5i, also in But this time, the interruption was only temporary, as in August , the telescope that replaced the N5 was itself replaced in turn by the Nexstar 5 Special Edition or N5 SE , which followed the introduction of the N8 SE just a year previously.

Both telescopes sport an orange tube, but with an orange much more saturated than the models of old.

Perhaps the most interesting enhancement was not directly visible: These telescopes allow one to align the telescope on any three bright objects in the sky, without needing to know which objects they are.

Previous goto telescope could align on just two stars, but the stars had to be identified by the user. The hand controller was made even easier to use, with objects generally now appearing by their best-known names.

As the name implies, this telescope, like other recent editions, included the StarBright XLT coatings. Through it all, the C5 has retained in essence its original optical design, and even the C5 spotter has never been discontinued since its reintroduction in , although Celestron has updated its appearance: It took on a silver hue in What about that central obstruction? Observing Log.

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Celestron C5+ Manuals & User Guides

Mazuzilkree Products or instructions may change without notice or obligation. In July, Celestron finally announced the Nexstar 5. Celesgron map of the night sky, oriented by month and day, rotates within a depiction of the 24 hours of the day, to display exactly which stars and planets will be visible at any given time. Your First Look C5 and better familiarize yourself with its operation. The N5 continued, along with the steadfast C5 spotter, untilwhen it was discontinued, only to be replaced by the Nexstar 5i which came out with the Nexstar 8i.

DESPOLARIZACION Y POLARIZACION CARDIACA PDF

The Unofficial C5+ Home Page

A bright star high in the sky is ideal since there is a minimal amount of atmospheric distortion. If the star moves too rapidly through the field of view of the spotting scope, use Polaris. Page 15 A steadier part of the sky is judged by steady versus twinkling stars. In focus images show the C5 in collimation left and out of collimation right. Page Optional Accessories Used with any eyepiece, it doubles the magnification of that eyepiece.

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Celestron C5+ Manuals

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