Manual Celestron POWERSEEKER 80 EQ - 21048 (page 13 of 19) (English)

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CELESTIAL OBSERVING

Now that your telescope is set up, you’re ready to use it for observing. This section covers visual observing for both solar

system and deep-sky objects.

Observing the Moon

In the night sky, the moon is a prime target for your first look because it is extremely bright and easy to find. Although the

beauty of the full moon may make it seem a perfect viewing object, in fact, the

light reflected from its fully illuminated face can be overpowering. In addition,

little or no contrast can be seen during this phase.

One of the best times to observe the moon is during its partial phases, such as a

crescent or quarter moon. At these times, long shadows reveal a great amount of

detail on the lunar surface. At low power, with the standard eyepiece, you’ll be

able to see the whole lunar disk at one time. Change to higher power

(magnification) with an optional eyepiece to focus in on a smaller area. Keep in

mind that the rotation of the earth will cause the moon to drift out of your field of

view. You’ll have to manually adjust the telescope to keep the moon centered.

This effect is more noticeable at higher power. Consult a current astronomy magazine or your local newspaper to find out

the current phase of the moon.

Lunar Observing Hint

To increase contrast and bring out visible detail on the lunar surface, try using different filters (available through your local

Celestron dealer). A yellow filter works well for improving contrast.

Observing the Planets

Other easy targets include the five “naked eye” planets of our solar system, so

called because they can be spotted in the night sky by the unaided eye. You can

see Venus go through its lunar-like phases. Mars can reveal a host of surface

detail and one, if not both, of its polar caps. You’ll be able to see the cloud belts

of Jupiter, perhaps even the great Red Spot. In addition, you’ll be able to see

the moons of Jupiter as they orbit the giant planet. Saturn, with its beautiful

rings, is easily visible at moderate power, as is Mercury. All you need to know

is where to look. Most astronomy publications indicate where the planets are in

the sky each month.

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Celestron POWERSEEKER 80 EQ - 21048 Manual

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