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I'm a complete beginner what concerns telescopes and astronomy, so I thought that my experience about telescopes might be useful for other beginners. Therefore also, a lot what I write here is about what I think, I just discover all these things for myself, only for entertainment. | I'm a complete beginner what concerns telescopes and astronomy, so I thought that my experience about telescopes might be useful for other beginners. Therefore also, a lot what I write here is about what I think, I just discover all these things for myself, only for entertainment. | ||
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| + | == Telescope F70076 == | ||
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| + | [[Image:F70076_s.jpg]] | ||
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| + | This telescope was made by the German company Telescope-Sevice, the parts of it were though likely made by the Chinese company Wuhan Siwei, except perhaps the focuser and the eyepieces, because Wuhan Siwei only produces a 0.96 inch focuser, but this telescope has a 1 1/4 inch focuser. I think though that the companies which order such telescopes have some quality control, the telescope has quite high quality for such class of telescopes. F70076 is also the name of the telescope produced by Wuhan Siwei, based on which likely all the similar telescopes are made, so it can be said that the PowerSeeker 76 AZ, the Orion SpaceProbe 3 Altaz and the other such 76mm Newton reflectors, are also F70076. | ||
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| + | Many ask a question, what telescope should they buy. But there is no single answer to that question, there are different types of telescopes and the only way to find out whether these telescopes are good for your needs, is to know more about these telescopes. This is a description of one type of telescope. This telescope is not a kind of one which should be recommended definitely not to buy, but you should know more about this type of telescopes to decide whether they satisfy your needs, or you should rather consider buying a more expensive telescope, such as the 8 inch dobsonian. | ||
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| + | What is important about such cheap telescopes though is that almost everyone can afford them. Thus a telescope is not a matter of money, telescope is a matter of knowledge, and everyone who knows how to use a telescope, can have a telescope. | ||
* [[Telescope F70076]] | * [[Telescope F70076]] | ||
Revision as of 17:12, 13 October 2008
I'm a complete beginner what concerns telescopes and astronomy, so I thought that my experience about telescopes might be useful for other beginners. Therefore also, a lot what I write here is about what I think, I just discover all these things for myself, only for entertainment.
Telescope F70076
This telescope was made by the German company Telescope-Sevice, the parts of it were though likely made by the Chinese company Wuhan Siwei, except perhaps the focuser and the eyepieces, because Wuhan Siwei only produces a 0.96 inch focuser, but this telescope has a 1 1/4 inch focuser. I think though that the companies which order such telescopes have some quality control, the telescope has quite high quality for such class of telescopes. F70076 is also the name of the telescope produced by Wuhan Siwei, based on which likely all the similar telescopes are made, so it can be said that the PowerSeeker 76 AZ, the Orion SpaceProbe 3 Altaz and the other such 76mm Newton reflectors, are also F70076.
Many ask a question, what telescope should they buy. But there is no single answer to that question, there are different types of telescopes and the only way to find out whether these telescopes are good for your needs, is to know more about these telescopes. This is a description of one type of telescope. This telescope is not a kind of one which should be recommended definitely not to buy, but you should know more about this type of telescopes to decide whether they satisfy your needs, or you should rather consider buying a more expensive telescope, such as the 8 inch dobsonian.
What is important about such cheap telescopes though is that almost everyone can afford them. Thus a telescope is not a matter of money, telescope is a matter of knowledge, and everyone who knows how to use a telescope, can have a telescope.
* Telescope F70076 * Price * How is it useful * Comparison with other cheap telescopes * Newton reflector * What was inside the box * Huygens eyepieces * Moon filter * Finder scope * The mount * Star hopping * The size and weight * Cleaning mirrors * Collimating
What can I see through it
I don't really have much idea what can I see through that telescope, but Charles Messier who made the catalog of 110 deep sky objects (galaxies, nebulae and star clusters) in 1780, had a telescope which may be equivalent to today's 3 inch telescope, so I should see all these objects at least somewhat. But of course the skies of Paris were not so light polluted at that time, when there were no electric lights yet, than the skies of the cities today. Indeed I have found that I cannot see as much as Messier did, in addition having by far not such experience of observing as Messier had. Hodierna [1] found 19 deep sky objects already in 1654, using only a Galileo telescope with 1 inch aperture, of which 12 were Messier objects and 7 of these (M31, M36, M37, M38, M42, M44 and M45) were in the northern constellations.
There is a review in Cloudy Nights of the Orion SpaceProbe 3 EQ [2] which has an equatorial mount, but is otherwise optically similar to this telescope. At least it shows that one is able to see with this telescope the colors of the Orion nebula. I though didn't succeed the see colors of the Orion Nebula in my conditions, but considering how bright the nebulosity is, it seems believable that one can see some colors even with the visibility one magnitude better than mine, which is even not so good visibility, and you don't even have to be in a rural area. So don't be discouraged, your visibility is most probably better than mine.
* What can I see through it o First light o Ring Nebula o The Great Cluster in Hercules o Saturn o Mars o Praesepe cluster o The Pleiades o Andromeda Galaxy o Orion Nebula * Astrophotography
