Meade SN-10 AT Manual de instrucciones descargar pdf (Pagina 5)

THE AUTOSTAR AND TEMPERATURE EXTREMES: All AutoStar units

are different. Some are more prone to temperature ex-

tremes than others...those that are cold-sensitive are ALSO

typically HEAT sensitive as well. At temperatures below

27F, the LED readout becomes frequently muddled, as the

temperature continues to fall, many users report a totally

BLANK LED readout, yet the Autostar continues to func-

tion (if you can figure out which button to push!). The

Autostar will fail altogether if exposed to temperatures

lower than 20-28F for more than about twenty minutes.

For dependable use, there are two things that should be

remembered about the Autostar that are typically NOT a

factor with the LX200 classic hand box:

a. Keep the hand control warm. Put it inside your coat or

pocket when not necessary to observe.

b. Try to run the telescope ONLY off of a very good exter-

nal DC power-station OR from AC power (better).

Note also that there have been many reports that suggest

that the Autostar is much more sensitive to cold when the

humidity/dew/frost situation is high, suggesting that the

water content of the air is also a contributing factor. It

appears that cold nor heat affects the long-term depend-

ability nor use of the internal circuit boards of the system

based on the LX200 classic models, the LX90, and the ETX

series of scopes.

WHERE TO ATTACH THE AUTOSTAR CONTROLLER: I attached vel-

cro to the Autostar and a mating piece on the top of each

leg so that no matter the telescope orientation, there is a

nearby place to put it.

TRACKING RATES AND THE MOON: The MOON MOVES inde-

pendently of the background stars...it moves against that

background its entire width every hour (so thats one arc

minute drift every two clock minutes)! The Autostar

knows that... but youve got to -ask- it to track at Lunar

speeds...

1) Setup > Telescope > Tracking Rate >[enter] [scroll]

2) Youve got 3 choices: Sidereal, Lunar and Custom.

The number displayed is tenths of percentage of sidereal,

and Lunar is -3.5% (if you select Lunar, then scroll to Cus-

tom, itll show the current offset).

However, there will be some times when it will -still- drift,

because the Moons orbit is not parallel to the celestial

equator. There will be slow north/south motion, and that

also has a tiny effect upon the east/west motion.)

URL’S FOR UPDATES, TOURS, COMETS & MORE: Keep in mind

that versions and specific URL pages may become outdated.

If you find a link that isnt good anymore, drop us a line

and well change it. Firmware for your Autostar: current

version 25Ea.:

http://www.meade.com/support/auto/Build.zip

Updater to transfer that, and other stuff to your Autostar:

http://www.meade.com/support/auto/ASU351.exe

The Updater itself can fetch many items directly from the

Web for you... under the File/Import menu choice, it offers

to run and get them.

The Comets, ISS, Satellites, a few tours are all sub-links

from Meades Support page:

http://www.meade.com/support/auto.htm

The Comets from that page are the Harvard Astrophysi-

cal Observatorys bright list, tailored for the Autostar/

Updater:

http://cfa-www.harvard.edu/iau/Ephemerides/Comets/

Soft16Cmt.txt

The satellites... well, Meades page leads you to Celestrak.

There you have the ability to grab a -number- of special

interest lists... from just manned satellites (ISS and

Progress) to the 100 (or so) Brightest, to all sorts of types.

The index page is at:

http://celestrak.com/NORAD/elements/

and the su/jointfilesconvert/316215/bgroups are under that.

Tours... well, theres Meades sub-page which provides

Tonights Best; Messier Marathon; How Far is Far; Star

Groups; A Stars Life.

On Mike Weasners site there are others (a dozen or so)

and by doing web-searches you can find them all over the

planet (Ive fetched some from the UK, Portugal, Holland,

Australia).

Thats the list i use for much of my observing. Tours are

the most erratically found.. they pop up in a variety of

places. Satellite data can be too much or too little de-

pending upon your interests... the Updater itself can serve

as a list editor to prune or meld different items or sub-

types. That applies to Comets and Asteroids, too. (see

Meades page for the link to Asteroids, but its currently:

http://cfa-www.harvard.edu/iau/Ephemerides/Bright/2001/

Soft16Bright.txt

which is a little obsolete... you can use:

http://cfa-www.harvard.edu/iau/Ephemerides/Bright/2002/

Soft16Bright.txt

(note that its 2002, instead of 2001)

MORE ABOUT Y OUR AUTOSTAR V ERSION: The -full- version num-

ber is under Setup > Statistics > [enter][scroll UP]

The current version is 25Ea (as of this post). The E means

English. The a is the actual sub-version identifier. In the

past there have been -many- subversions of a major

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