Instruction/ maintenance manual of the product starBlast 4.5 EQ Orion
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INSTRUCTION MANUAL IN 260 Rev . B 01/09 Providing Exceptional Consumer Optical Products Since 1975 Customer Support (800)-676-1343 E-mail: support@telescope.com Corporate Offices (831)‑763‑7000 89 Hangar W ay , W atsonville, CA 95076 Orion ® StarBlast ™ 4.
2 Figure 1a. The StarBlast 4.5 EQ EZ Finder II reflex sight Eyepiece Focuser T ube rings Optical tube Primar y mirror cell Declination slow-motion control Right ascension slow-motion control Latitude .
3 T able of Contents 1. Unpacking 3 2. P ar ts List 3 3. Assembly 3 4. Getting Star ted 4 5. Setting Up and Using the Equatorial Mount 6 6. Collimating the Optics (Aligning the Mirrors) 9 7. Astronomical Obser ving 11 8. Care and Maintenance 13 9. Specifications 14 1.
4 4 3. Stand the tripod and mount upright and spread the tr ipod legs apar t as far as they will go , until the accessor y tra y brac ket is taut. Connect the accessor y tra y to the acces - sor y tray brack et with the three wing scre ws already installed in the tray .
5 5 1. K eeping one hand on the telescope optical tube, loosen the R.A. lock knob . Mak e sure the Dec. lock knob is lock ed, f or now . The telescope should now be able to rotate freely about the R.A. axis. Rotate it until the counterweight shaft is parallel to the ground (i.
6 Do Y ou Wear Eyeglasses? If y ou we ar e ye gla sses , y ou ma y be ab le to kee p the m on wh ile you obser ve . In order to do this, your eyepiece must have enough “ey e relief ” to allow y ou to see the entire field of vie w with glasses on.
7 of a str ono mi cal o bje cts , th er eb y ke epi ng th em fr om dr ift ing o ut of the telescope’ s field of view while y ou’ re obser ving. This is accomplished by slowly rotating the telescope on its right ascension (R.A.) axis, using only the R.
8 Understanding the Setting Circles The setting circles on an equator ial mount enab le you to locate celestial objects by their “celestial coordinates”. Every object resides in a specific location on the “celestial sphere”. That location is denoted by two numbers: its right ascension (R.
9 9 6. Collimating the Optics Collimating is the process of adjusting the mirrors so they are aligned with one another . Y our telescope’ s optics were aligned at the factory , and should not need much adjustment unless the telescope is handled roughly .
10 The Collimating Cap and Primary Mirror Center Mark Y our Star Blast 4.5 EQ com es with a coll imating cap . This is a si mpl e cap that fits on th e f ocu ser dr a wtu be li ke a dus t cap , bu t has a hol e in the cent er an d a silv er botto m. T his help s cent er your eye so collimating is easy to perform.
11 Once the secondar y mirror is centered in the focuser drawtube , and the primar y mirror reflection is centered in the secondar y mirror , the secondary mirror is properly aligned, and no fur ther adjustments to it should be needed. Aligning the Primary Mirror The final adjustment is made to the pr imary mirror .
12 when much of the heat abso rbed by the Ear th dur ing the da y has radiated off into space. Especially impor tant for observing f aint objects is good “trans - parency”—air free of moisture, smoke, and dust. All tend to scat - ter light, which reduces an object’ s brightness.
13 B. The Planets The planets don’t stay put like the stars, so to find them you should refer to Sky Calendar at Or ionT elescopes.com, or to char ts published monthly in Astronomy , Sky & T elescope , or oth er astr onom y maga zines . V enus , Mars , J upite r , and Saturn are the br ightest objects in the sky after the Sun and the Moon.
14 cli ps hel d by tw o scre ws eac h. Loo sen th e scre ws an d re mov e the clips. Y ou ma y now remov e the primary mirror from its cell. Do not touch the surface of the mirror with your fingers. Lift the mirror carefully by the edges. Set the mirror on a clean soft towel.
An important point after buying a device Orion starBlast 4.5 EQ (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Orion starBlast 4.5 EQ yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Orion starBlast 4.5 EQ - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Orion starBlast 4.5 EQ you will learn all the available features of the product, as well as information on its operation. The information that you get Orion starBlast 4.5 EQ will certainly help you make a decision on the purchase.
If you already are a holder of Orion starBlast 4.5 EQ, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Orion starBlast 4.5 EQ.
However, one of the most important roles played by the user manual is to help in solving problems with Orion starBlast 4.5 EQ. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Orion starBlast 4.5 EQ along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
