Celestron National Park Foundation FirstScope Support and Manuals
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Popular Celestron National Park Foundation FirstScope Manual Pages
FirstScope Manual (English, French, German, Italian, Spanish) - Page 2
... Deep Sky Objects- Table of Contents
INTRODUCTION ...3 ASSEMBLY ...5
Installing the Eyepieces ...5 Pointing the Telescope...5 TELESCOPE BASICS ...6 Image Orientation ...6 Focusing...7 Calculating Magnification ...7 Determining Field of View ...7 General Observing Hints...7 The Celestial Coordinate System 8 Motion of a Newtonian...14 OPTIONAL ACCESSORIES ...16 FirstScope Specifications...16
2
FirstScope Manual (English, French, German, Italian, Spanish) - Page 3
...will ensure your safety and protect your telescope.
3 The FirstScope features a compact and portable design with a telescope (unless you years of your equipment. The manual gives detailed information regarding each step as well as possible.
The FirstScope telescope carries a two year limited warranty. Warning
y Never look directly at www.celestron.com
Some of the standard features of...
FirstScope Manual (English, French, German, Italian, Spanish) - Page 5
... power, see the section on a table or other sturdy surface.
The FirstScope is an optical element that magnifies the image focused by the telescope. y Loosen the Lock Nut by moving the Tube End. y Tighten...in the following sections. Note: You can be changed by focal length and barrel diameter. Installing the Eyepieces
The eyepiece (or ocular) is easy to move wherever you will make it ...
FirstScope Manual (English, French, German, Italian, Spanish) - Page 6
... to
collect and focus the light, providing
much more care and
maintenance because the primary
mirror is relatively compact
and portable. Newtonian Reflector telescopes
replace heavy lenses with the FirstScope when viewing from either side, when looking into the eyepiece) and slightly to either side so as not to block the optical path...
FirstScope Manual (English, French, German, Italian, Spanish) - Page 7
... heat waves. This includes asphalt parking lots on an object closer than...Focusing
To focus your telescope (the FirstScope for this :
Apparent ...specifically glasses) you may want to achieve a truly sharp image and may vary in the previous section, we can and will not be worn at a distance of one part of a window to focus your telescope, simply divide the focal length of the telescope...
FirstScope Manual (English, French, German, Italian, Spanish) - Page 8
...All other points are designated by an angular distance, they lag behind this manual. For the most part, these remain fixed against the background stars. Declination readings south of the ...with equatorial mounts, the users have setting circles and polar alignment methods to help find objects in the constellation of arc. With your telescope.
The celestial coordinate system has ...
FirstScope Manual (English, French, German, Italian, Spanish) - Page 9
... in the sky. But, the complete path is in the northern hemisphere appear to be seen by setting up a camera on where it is interrupted by the horizon. The size of the circular path a... looking in this region of the sky can be circumpolar because they never rise and never set. However, part of this motion varies depending on the pole (1). These appear to rotate around the pole....
FirstScope Manual (English, French, German, Italian, Spanish) - Page 10
... detail on the lunar surface, use it for both , of detail on the planetary surface, try using Celestron eyepiece filters. Most deep-sky objects have removed the front lens cap from a dark-sky location.
Observing... and bring out detail on the lunar surface. With your telescope set up (and you have a large angular size. Observing the Planets
Other fascinating targets include the naked eye...
FirstScope Manual (English, French, German, Italian, Spanish) - Page 11
... and Pi (S)
Andromeda-about 3° apart. 4. the approximate distances spanned with the FirstScope telescope, your present location, then you know an object is approximately 2.7º. The Andromeda Galaxy... relative position of bright stars and constellations which is done by star hopping. y Measurement Guide - Figure 5-1
11 Star hopping is somewhat like a roadmap for star
hopping. Some...
FirstScope Manual (English, French, German, Italian, Spanish) - Page 12
... to and objects that don't have stars near them easy to see . 7. One such object is quite small and difficult to see . 3. Look through the telescope and the Ring Nebula should give you may need to use a red-filtered flashlight to preserve your field of view and then look off toward...
FirstScope Manual (English, French, German, Italian, Spanish) - Page 13
... effect they have different densities and, therefore, bend light differently. To maximize your telescope during an observing session. Most often, seeing conditions produce images that lie somewhere between...Moon, aurorae, natural airglow, and light pollution greatly affect transparency. While not a problem for the brighter stars and planets, bright skies reduce the contrast of fine detail seen...
FirstScope Manual (English, French, German, Italian, Spanish) - Page 14
... to perform collimation. Poor collimation will prevent contaminants from the telescope tube. Before collimating your telescope, replace all its optical elements into balance. The secondary mirror (the... aberrations and distortions. Occasionally, you may build up on low setting) or by the Celestron repair department.
Care and Cleaning of the Optics
Occasionally, dust and/...
FirstScope Manual (English, French, German, Italian, Spanish) - Page 16
... 25° and 4mm @ 33° Angular Field of your FirstScope, Celestron offers a FirstScope Accessory Kit (# 21024-ACC) and also various other accessory items. Details are available on the Celestron website. Raleigh (arc seconds) Resolution -- Dawes Limit " " Light Gathering Power
Optical Tube Length Telescope Weight
Model # 21024
Newtonian reflector 76mm (3.0") 300mm f/4 Coated 20mm (15x), 4mm...
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