Manual Bresser 4701170 (page 14 of 36) (English, German, French, Italian, Spanish)

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Next, select the 'Solar System' menu option and scroll with the arrow

keys to find Jupiter. Select Jupiter by pressing the centre key (5).

Once you select Jupiter, your telescope will automatically slew towards

Jupiter. When the telescope reaches Jupiter's position, a loud beeping

noise will let you know that the telescope is done moving. You may

then begin your observation.

350 mm ÷20 mm = 17.5X

350 mm ÷10 mm = 35X

400 mm ÷20 mm = 20X

400 mm ÷10 mm = 40X

Formula for calculating magnification:

Focal length (Telescope) ÷ Focal length (Eyepiece) = Magnification

Examples:

Possible observation targets

The following section details several interesting and easy-to-find

celestial objects you may want to observe through your telescope.

The moon

The moon is Earth's only natural satellite.

Diameter: 3,476 km

Distance: 384,400 km from Earth (average)

The moon has been known to humans since prehistoric times. It is

the second brightest object in the sky, after the sun. Because the

moon circles the Earth once per month, the angle between the Earth,

the moon and the sun is constantly changing; one sees this change

in the phases of the moon. The time between two consecutive new

moon phases is about 29.5 days (709 hours).

Constellation Orion: The Orion Nebula (M 42)

Right Ascension: 05h 35m (hours : minutes)

Declination: -05° 22' (Degrees : minutes)

Distance: 1,344 light years from Earth

Though it is more than 1,344 light years from Earth, the Orion Nebula

(M 42) is the brightest diffuse nebula in the sky. It is visible even with

the naked eye and a worthwhile object for telescopes of all types and

sizes. The nebula consists of a gigantic cloud of hydrogen gas with a

diameter of hundreds of light years.

Constellation Lyra: The Ring Nebula (M 57)

Right Ascension: 18h 53m (hours : minutes)

Declination: +33° 02' (Degrees : minutes)

Distance: 2,412 light years from Earth

The famous Ring Nebula (M57) in the Lyra constellation is often

viewed as the prototype of a planetary nebula. It is one of the mag-

nificent features of the Northern Hemisphere's summer sky. Recent

studies have shown that it is probably comprised of a ring (torus)

of brightly shining material that surrounds the central star (only vis-

ible with larger telescopes), and not a gas structure in the form of a

sphere or an ellipse. If you were to look at the Ring Nebula from the

side, it would look like the Dumbbell Nebula (M 27). When viewed

from Earth, we are looking directly at the pole of the nebula.

Constellation Vulpecula (Little Fox):

The Dumbbell Nebula (M 27)

Right Ascension: 19h 59m (hours : minutes)

Declination: +22° 43' (Degrees : minutes)

Distance: 1,360 light years from Earth

The Dumbbell Nebula (M 27) was the first planetary nebula ever dis-

covered. On 12 July 1764, Charles Messier discovered this new and

fascinating class of objects. We see this object almost directly from

its equatorial plane. If we could see the Dumbbell Nebula from one of

its poles, we would probably see the shape of a ring, something very

similar to what we know as the Ring Nebula (M 57). In reasonably

good weather, we can see this object well, even with low magnifica-

tion.

Notes on cleaning

Before cleaning the device, disconnect it from the power supply by

removing the plug or batteries.

Clean the eyepieces and lenses only with a soft, lint-free cloth, like a

microfibre cloth. Do not apply excess pressure to the cloth to avoid

scratching the lenses.

Protect the device from dust and moisture. Store it in the supplied bag

or transportation packaging. The batteries should be removed from the

unit if it has not been used for a long time.

EC Declaration of Conformity

Bresser GmbH has issued a "Declaration of Conformity" in accordance

with applicable guidelines and corresponding standards. The full text

of the EU declaration of conformity is available at the following internet

address:

http://www.bresser.de/download/automatic_telescopes/CE/4701180_

CE.pdf

http://www.bresser.de/download/automatic_telescopes/CE/4701181_

CE.pdf

UKCA Declaration of Conformity

Bresser GmbH has issued a „Declaration of Conformity“ in accord-

ance with applicable guidelines and corresponding standards. The full

text of the UKCA declaration of conformity is available at the following

internet address:

http://www.bresser.de/download/automatic_telescopes/CE/4701180_

UKCA.pdf

http://www.bresser.de/download/automatic_telescopes/CE/4701181_

UKCA.pdf

Bresser UK Ltd. • Suite 3G, Eden House, Enterprise Way, Edenbridge,

Kent TN8 6HF, Great Britain

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Bresser 4701170 Manual

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