Celestron CPC800 Bedienungsanleitung

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Celestron’s CPC-800 FORKMOUNTED 8" SCT
JRCRILLY 2/28/2006 Celestron’s 8" and 11" Nexstar GPS models
have been in use for about 5 years, and are
generally considered very capable. I’ve
owned three of them myself, and have
never hesitated to recommend them to
others. More recently a 9.25" version was
released with similar market acceptance.
Offering typical Celestron optical quality in
the form of carbon fiber tube F/10 Schmidt-
Cassegrain telescopes on beefy,
computerized forkmounts with all the bells
and whistles, they were great for field use in
altitude/azimuth mode, but also capable in
EQ mode with a suitable wedge for imaging
types.
Although Meade probably set a record by
leaving their original LX200 series in
production for ten years with practically no
changes after the first couple of years, five
years is a pretty long run in high-tech
astronomical gear. Celestron has made
some obvious changes in introducing this
new model, which will replace the popular
Nexstar GPS series once all of the versions are in production. The 8" version was
released first, and that’s the model I managed to get a good look at. The 11" version
has been released as this goes to press, and the 9.25" version is eagerly awaited by
some.
MODEL OVERVIEW
The optical tube is Celestron’s standard aluminum tube C8, an 8" F/10 Schmidt-
Cassegrain. It is available with either Starbright multicoatings or the upgrade Starbright
XLT coatings system. It is supplied on a dual-arm, computerized forkmount and may be
operated either in altitude/azimuth mode or in EQ mode with the addition of an optional
wedge. The control system is highly automated, with a database in excess of 40,000
objects. Because of the inclusion of the GPS feature and the new SkyAlign firmware this
instrument can be successfully aligned with no knowledge of the sky or even of the
user’s location. Other alignment modes are also available for those wishing a quicker
(but equally precise) setup. Due to the generosity of Cloudy Nights sponsor
Astronomics I was able to borrow one of these for review. It arrived in sealed, unopened
boxes and I will consider it a random sample.
Copyright (c) 2006 Cloudy Nights Telescope Reviews
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Inhaltsverzeichnis

Seite 1 - MODEL OVERVIEW

1 Celestron’s CPC-800 FORKMOUNTED 8" SCT JRCRILLY 2/28/2006 Celestron’s 8" and 11" Nexstar GPS models have been in use for about

Seite 2 - SO WHAT DO YOU GET?

2 SO WHAT DO YOU GET? The telescope and tripod arrived in two undamaged boxes. Opening the telescope box revealed that Celestron is still using

Seite 3

3 Removing the top foam piece revealed the telescope itself, wrapped in plastic and with the single handle conveniently placed at the upper si

Seite 4

4 This spreader looks as though it will be a little more difficult to break than the one used with the NexStar GPS tripods. It’s more flexible

Seite 5

5 Here’s the tripod ready to go. Here it is, set up and ready to use. As expected, the locating depressions in the tripod hea

Seite 6

6 Here’s the control panel. Note that the slip rings of the NexStar GPS line are gone. This entire panel rotates with the telescope. Th

Seite 7 - HOW DOES IT WORK?

7 HOW DOES IT WORK? First light with the CPC-800 was at our Club’s public observing site. It’s not very dark but is readily accessible to the publ

Seite 8 - CONCLUSIONS

8 night in the field every time. The C8 proved to be in excellent collimation and was never adjusted by me. With the exception of the defective GPS

Seite 9 - NXGPS QUICK COMPARISON

9 NXGPS QUICK COMPARISON The changes I could see are apparently aimed at maintaining the performance level of the NXGPS telescopes at a slight

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