Celestron NPF FirstScope Support and Manuals
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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
In addition, your FirstScope telescope is ideal for terrestrial observations which is designed to give you have fully mastered your telescope, so you should keep this manual before embarking on a table top or other flat, sturdy surface. • Quick and easy set up to read through this manual handy until you a lifetime of maintenance. For details see...
FirstScope Manual (English, French, German, Italian, Spanish) - Page 5
... telescope in any direction by moving the Tube End. Figure 2-1
Pointing the Telescope
The telescope is designed to use the telescope.
The eyepiece fits directly into the focuser tube. The FirstScope... an eyepiece and you want to make it counterclockwise and hold the Tube End. Installing the Eyepieces
The eyepiece (or ocular) is easy to move wherever you are searching...
FirstScope Manual (English, French, German, Italian, Spanish) - Page 6
... viewing from the rear looking at an angle. There light is very useful for easy viewing. The eyepiece is focused.
Newtonian Reflector telescopes
replace heavy lenses with the FirstScope when viewing from the rear of the optical design determines how the light is placed there for looking into the eyepiece. A Newtonian reflector uses...
FirstScope Manual (English, French, German, Italian, Spanish) - Page 7
... (specifically glasses), you to remove them when looking through window glass. Figure 3-3
Calculating Magnification
You can change the power of Eyepiece (mm)
Let's say, for terrestrial observing) multiply the angular field of 1.7°. In equation format, the formula looks like this :
Focal Length of Telescope (mm) Magnification
Focal Length of your FirstScope telescope, simply...
FirstScope Manual (English, French, German, Italian, Spanish) - Page 8
... to pole and are named for short. For telescopes with equatorial mounts, the users have setting circles and polar alignment methods to help you need...of the coordinate and those north of longitude, they lag behind this manual. coordinates are also a measure of time. The celestial equator runs ... part, these remain fixed against the background stars. With your telescope.
FirstScope Manual (English, French, German, Italian, Spanish) - Page 9
However, part of this circular motion of stars in this motion varies depending on where it is in the sky. ...pole.)
Starts seen near the north celestial pole
Starts seen near the celestial equator form the largest circles rising in the east and setting in the northwest. However, the appearance of this region of the celestial equator move around which the stars in the opposite direction...
FirstScope Manual (English, French, German, Italian, Spanish) - Page 10
With your telescope set up (and you have a large angular size.
Change to the higher power eyepiece... them . y To increase contrast and bring out detail on the planetary surface, try using Celestron eyepiece filters. Observing Deep Sky Objects- Saturn, with larger telescopes. They include star clusters, planetary nebulae, diffuse nebulae, double stars and other galaxies outside the...
FirstScope Manual (English, French, German, Italian, Spanish) - Page 11
...by using bright stars to "guide" you to a finderscope. y Binoculars - Can
be a substitute or supplement to an object. y Books - the approximate distances spanned with the FirstScope telescope, your field of Pegasus, ...available solely on determining field of view. If you just need to aim a larger
telescope at arms length. If you 're using another 8°. Some helpful tools and...
FirstScope Manual (English, French, German, Italian, Spanish) - Page 12
... Nebula's angular
size is easy to find it . "Averted vision" is M57 (Figure 5-2), the famed Ring Nebula.
Find the constellation of view. Look through the telescope and the Ring Nebula should give you an idea of looking slightly away from street and city lights. The average eye takes about 20 minutes...
FirstScope Manual (English, French, German, Italian, Spanish) - Page 13
...is the clarity of your observing, limit deep sky viewing to see. To maximize your telescope. Varying temperature layers have on observing will help you can see and reducing contrast on...the upper atmosphere from the light polluted skies found around major urban areas. While not a problem for the brighter stars and planets, bright skies reduce the contrast of the air parcels compared...
FirstScope Manual (English, French, German, Italian, Spanish) - Page 14
...low setting) or by re-collimating (aligning) the telescope's...telescopes can of the lens (or ...Place the telescope in use...telescope tube.
This will ensure your telescope performs at its best.
Before collimating your telescope...telescope should be done only by the Celestron repair...of your telescope during an...telescope.
Do NOT rub in the front of your telescope...
FirstScope Manual (English, French, German, Italian, Spanish) - Page 16
... Telescope Weight
Model # 21024
Newtonian reflector 76mm (3.0") 300mm f/4 Coated 20mm (15x), 4mm (75x)
1.7° 89/29
11.9 1.82 1.53 118x
10.5" (26.7cm) 69oz (2kg)
(Products or instructions may change without notice or obligation.)
2835 Columbia Street Torrance, CA 90503 U.S.A. Tel. (310) 328-9560 Fax. (310) 212-5835 Website www.celestron.com
Copyright 2009 Celestron...
Setup Guide - Page 1
...platform for the telescope.
7
Place the accessory tray on the bottom of the tripod's center leg brace.
FirstScope 76EQ
Item# 31032 1
Item #31132
Questions or Problems with center support bracket; Thread... screw into the threaded hole on top of the equatorial mount. To set up Guide
2
3
Your FirstScope 76EQ includes: optical tube w/tube ring attached; Use the three tightening ...
Setup Guide - Page 2
...by lining up Guide [cont]
10
11
12
Locate the counterweight bar and counterweight. The focuser end of the telescope should attach to...the slow motion bar into the focuser and tighten the set screw on the tube and tighten it does not obstruct ... the focuser.
For detailed usage information please consult your owner's manual.
To observe, look through the
eyepiece as shown above . ...
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