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Chapter 13

Observations with the Meade LX-10

Telescope (Evening Observation)

During this observation period course, you will b e using a Meade LX-10 telescope to make

observations of celestial objects. You will be using what you have learned about the Meade

telescope and planisphere during the afternoon lab (Introduction to the Meade LX-10 Tele-

scopes]Introduction to the Meade LX-10 8

′′

Schmidt-Cassegrain Telescope).

13.1 Tonight’s Procedure

13.1.1 Getting started

When you arrive on the deck, t h e telescopes should be set up. Choose a telescope. You will

be working in groups of two or three. It may be somewhat crowded due to space constraints

so please be careful walking around and try n ot to hit other person’s equipment as they may

lose alignment.

First, remove the lens cap fr om the scope and store it where it will not be stepped on. Next,

ﬁnd the RA and Dec cla m p s. When they are locked on, the telescope sh o u l d remain ﬁxed.

Do not try and move (slew) the telescope by hand when the clamps are locked. You will

damage the gears. If they are unlocked, the telescope should easily move about both axes,

but sh ou l d stay relatively m ot i o n l ess if you stop it and let it go. The balance may not be

perfect.

13.1.2 Sighting Polaris

Start with the lowest power (longest focal length—26mm) eyepiece. Place it in the diagonal

prism and tighten snugly with the thumbscrew. Point the telescope at about 9 0 declination

and lock the RA clamp. Loosen the Manual Knob slightly and the Dec lock if necessary, and

101

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Chapter 13 1
13.1.3 Viewing Tips 2

Sommario

Pagina 1 - Chapter 13

Chapter 13Observations with the Meade LX-10Telescope (Evening Observation)During this observation period course, you will b e using a Meade LX-10 tele

Pagina 2 - 13.1.3 Viewing Tips

by rotatin g the telescope’s base and moving the telescope in Declination, center Polaris. Thebase should rotate very easily. To loosen the Manual Kno

Pagina 3

Observation LogThis section should summarize what was ob ser ved, h ow it was observed, and under whatconditions. You should inclu d e enough informat

Pagina 4

Post-Observation SummaryTelescopes are pretty neat pieces of equipment. I’m sure that some of you have owned (orown) a smal l telescope as a child. Fo

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