Astronomy Software Articles Archives

How to Buy a Schmidt Cassegrain Telescope

Buying a first schmidt cssegrain telescope for you or for someone else as a gift can be a bit tricky if you don’t know a lot about telescopes. This article will guide you through making the right choice based on price, performance, and what your astronomical goals are.

A schmidt cssegrain telescope is a scientific optical instrument. It has lenses or mirrors in it that have to be carefully made to exacting specifications if it is to perform adequately as an astronomical instrument. This can cause problems when it comes to buying a lower priced and subsequently lower quality telescope because these telescopes can underperform or even not perform at all. In order to be guaranteed you will get high performing optics that give you good value for your money you should stick with one of the better known manufacturers of telescopes. I recommend you buy from Orion, Celestron, Meade, or Edmund Scientifics. There are many makers of telescopes that make outstanding telescopes but I have first hand knowledge of these and can vouch for their quality.

Most of these makers of schmidt cssegrain telescope sell them but you don’t need to buy directly from them. You can find telescopes from these makers on sale at many online sites or retail outlets. So you can stick with your favorite big retailer.

If you are buying a first telescope for a high school student or child your best choice is to buy a 60mm refractor telescope. This kind of telescope is sturdy, easy to use, easy to set, up and gives great performance in the hundred-dollar price range. This type of telescope is also very useful for terrestrial observations, which makes it versatile. I would vary from this rule of thumb if you are getting a telescope for someone that spends a lot of time hiking and camping and they are looking for something easily toted along. A 60mm refractor can be a bit impractical for camping and hiking because of its size. In this case I recommend you get either an astroscan from edmund scientifics or the backpack observatory from the Meade Corporation. Both these schmidt cssegrain telescope are a bit more expensive but much more compact and easy to tote around.

If you are buying a schmidt cssegrain telescope for someone that knows a bit about astronomy or maybe already has a telescope you might consider sitting down with him or her and discussing needs and wants. Telescopes vary widely in price, style, type and ability and an amateur astronomer probably has some definite wants and goals. But as a rule of thumb for a person that already is interested in astronomy they probably are looking for a reflector or catadioptric telescope because these types of telescopes give significantly more light gathering power than the refractor when you weigh the price. A five-inch refractor telescope will cost you anywhere between three and four thousand dollars! Yet you can get a reflector or catadioptric with a massive eight or ten inch mirror for a few hundred dollars. This massive increase in size gives the amateur astronomer a significant improvement in what he or she can see in the night sky.

If you are looking to purchase something in a moderate price range (500-1,000 dollars) you should consider getting a catadioptric schmidt cssegrain telescope in the Schmidt Cassegrain style. This type of telescope gives you superior performance, maximum light gathering power, and quality of instrument that will last you a lifetime. This kind of telescope now often comes with a motorized computer with a database of thousands of celestial object that allows you to find things at the touch of a button. It is also a folded optics telescope so it is compact and reasonably easy to tote around. They are suitcase sized and many of the leading manufacturers often make the suitcase to go with it.

In summary if you are buying for a child, teen, or first time telescope owner you should get a 60mm refractor because it is easy to use, easy to set up, durable and entry level priced around one hundred dollars. If you are buying a telescope for someone that is seriously interested in astronomy you should consider a reflector in the six-inch to ten-inch range. This will give you maximum light gathering power for your dollar in the range of three hundred to five hundred. If you are looking to buy something of heirloom quality that will give you a lifetime of superb quality you should consider an eight-inch catadioptric Schmidt-Cassegrain telescope which will cost between five-hundred and a thousand dollars.

 

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Tips For Getting Started In Astronomy Books

When you are thinking about astronomy books, the first thing that comes to mind is a telescope. This misconception is found every day. Actually, the first thing you need to do is look at the stars with a pair of binoculars. You cam spend hundreds of dollars on a telescope that might not be the right one. One thing that star glazers will tell you is that some of the lunar eclipses and bright comets look better with binoculars than with a high-powered telescope.

You need to look around the sky with a star map and learn about the stars and other objects in space before you jump in and buy a telescope. Sometimes what you see through a telescope will be ugly, where as through the binoculars, it is a beautiful focused site to see. Once you learn about the stars themselves, you will have a better understanding of what you are looking at and how far away it really is.

After you learn about the sky above you are ready to look for a telescope. Before rushing out and buying a telescope, you should find some astronomers who will share their experiences and maybe even their telescopes with a group. Trying out a telescope before you buy it is something that will help you decide on what telescope will be best for you.

Some things to consider are what you plan to do with the telescope, how much you have to spend and are you going to take photographs of your sightings. If you are a causal backyard astronomer, you might even look at the Dobsonian telescopes. Never worry about power, but be more concerned about aperture and optics. If you will be viewing planets, you will need a telescope with high magnification. You would not want to buy a telescope with 600 power, as it will not have the aperture needed.

Most professional astronomers use a reflector type of telescope. This is where the light path is diverted to the concave lens or eyepiece. With the refractor telescopes, the light passes through the telescope by way of a lens to the eyepiece. In some of the opinions from astronomers, the refractor is the best type of telescope for looking at the solar system. However, reflectors are cheaper than the refractors. Reflector telescopes are recommended for beginning astronomers.

You will find areas with complete darkness are the best, but city viewing is fine if you have very little light to distract your viewing. Keep in mind that planet viewing is spectacular. You can see the ring around Saturn as well as view Venus. Jupiter, which changes every time you view it, is an amazing planet to keep an eye on.

You will want to have a star map, planet map and keep an eye on the news to find out when any interesting things are appearing in the solar system. Experience the sighting of a comet or meter shower, you will find that astronomy books is a great way to spend the evening by yourself or with friends.

 

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Info on Astronomy Articles

Articles on astronomy  can be found both online and in print magazines. New photos of space objects result in articles. New space missions result in articles. There is a constant stream of conversation

Something as simple as bumpy space dust generated a great deal of interest and a lot of the recent astronomy articles. Why so much interest? Scientists have long known that hydrogen is the most abundant element in the universe. But hydrogen has to bond to form the larger molecules observed in the universe. Because of the cold in space, hydrogen needs a little push. Scientists now realize that bumpy molecules may fit that bill. Nobody thinks of dust being bumpy when they vacuum.

One of Saturn's moons is known as the Death Star. With its huge crater, it resembles the famous movie prop. Recent astronomy articles focused on Cassini's mission to this moon, called Mimas. Some stunning images and a lot of new data resulted. It was a popular story. This information will help shed light on the number of impact objects that pass through Saturn's orbit. We'll learn a lot about how planets like Saturn clean debris from the solar system.

For years people have studied dark matter. It contributes to the expansion of the universe, but scientists don't really know how. Dark matter was a popular headline in recent astronomy articles. There was a plan to study distant supernovae to learn about dark matter. It's important because about 70% of the stuff in the universe is dark matter.

Before our sun was really a star it was a condensing mass of space matter called a protosun. Emissions of heat and light as well as solar winds from this proto-sun have long been a matter of contention. Recent astronomy articles answer this question with a resounding yes. Scientists have used new techniques to discover that the protosun did indeed emit ultraviolet and other particles in an early form of the solar wind. So the sun helped create life before it ever became a sun.

The Internet is a great source for learning about articles on astronomy.

 

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