Showing posts with label telescope. Show all posts
Showing posts with label telescope. Show all posts

Sunday, July 1, 2012

PURCHASING A USED TELESCOPE


Purchasing low priced used telescopes is a good way for those who would like to get into astronomy. Used telescopes can be bought for a fraction of the fixed price for new ones, which is a great deal when one is on a budget. Purchasing second hand telescopes provides one with the chance to try at what can turn out to be an expensive hobby without entrusting huge amount of money.

Purchasing of used telescopes provide a great value of money for a beginner and for a more advanced person hence enabling the novice to get his hands on high spec models and top brands. There are various places where one can obtain a used telescope.

The local classified advertisers are an accessible, local and easy way of obtaining information on used telescopes. People like this may be only a short distance from ones location and may deliver on request. There are numerous telescope stores with great collections of used telescopes for sale. One good thing about these store is that they have set standards making it possible to access a good telescope.

Another place where pre-owned telescopes are accessible is online. It is possible to shop online for used telescopes due to the variety of stores who have websites where one can shop. When purchasing old telescopes it is good to take a good look at the astronomical device to ensure that the optic is in its right state. For reflector telescopes, one should check the mirror to ensure there is no breakage as it can affect the image. On the other hand, if it is a big telescope then small errors would not necessarily cause a big problem.

The other key point is taking a good look at the mount and the tripod to ensure it is working properly. People who are keen on astronomy mind a lot about the model. A perfect used telescope for a starter is the Dobsonian. Most of the reflector telescopes are easy to operate and when purchasing for a second hand one can be able to get a real bargain.

The key factor with most of the purchase is usually the budget but when buying a telescope a person should first consider its purpose. For people who reside by the countryside or ocean and have an interest in nature, purchasing a low priced model is much better compared to a person who is into astronomy.

When you are searching for a secondhand telescope, you should choose one from a reputable company and try not to be carried away by other exciting models from unknown manufacturers. So you primary factor in this case should be based on functionality. Telescopes designed with whistles and bells are perfect but for those who can operate them. If you are a beginner this might complicate things further for you and even interfere with other things.

Used telescopes that have been manufactured by reputable brands are normally backed up by good wealth of professions and have been there for decades. Such producers perfect their production to top quality with the aim of retaining and attaining loyal clients and such durability restores confidence in customers. click here to earn extra money


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Friday, March 30, 2012

How to Explore the Night Sky Without a Telescope





"How to Explore the Night Sky Without a Telescope"," For example five of the planets are often readily visible with the naked eye. To maximize what you can see in the night sky there are a few things you should do as preparation. And this includes the moon. Its brightness will wash out many of the dimmest and most dramatic objects in the sky. Make sure you dress appropriately for the weather and bring extra layers of clothing if you are observing during cold months. Bring along any items to help your comfort like a lawn chair or a reclining lawn chair so you can look up without craning your neck. This means get away from street lights, city lights, house lights, or any other type of light source. If this is not possible then try to find the darkest spot you can. This will decrease your ability to see the dimmer objects. It takes your eyes up to a half an hour to fully adjust to the darkness outside. Equipment and stuff to bring along Get some star maps, planet charts, and reference materials and bring them right outside with you. But it will be dark outside so you won't be able to read them! And if you turn on some kind of a light or flashlight your night vision will be ruined. Cover your flashlight with some type of red cellophane or tape so it only gives off a dim red glow. You can buy flashlights with red covers online, at astronomy and optical shops, or even at military surplus stores. And the best viewing will be when it is only a think crescent. With a full or near full moon the light hits the surface of the moon directly and casts no shadows. You can see this galaxy as a band of diffuse light that stretches across the sky. Every star and constellation map will show you where the milky way stretches across the sky. Each constellation represents an object, animal, or historic figure; and learning the story behind them can also be a lot of fun. They form the background that everything moves within and they give you a frame of reference for finding these objects. The Planets - The planets move around in the sky quite a bit and sometimes they are too close to the position of the sun which means they are not visible at night but five of the planets, when in the right position are easily visible with the naked eye. And often times these planets are the brightest objects in the sky. One rule of thumb for figuring out whether something is a star or a planet is whether or not it twinkles. So if you locate an object that you believe is a planet you can watch it for several minutes to see if it twinkles like other stars. Colorful Stars - Stars are not all white. Stars come in a wide variety of brilliant colors and some of the more notable ones are the bright red Betelgeuse in Orion, the bright light-blue Rigel in Orion, the yellowish-white Altair in Aquila, and the bright red Antares in Scorpio. It can also be quite easy because some of the brightest stars in the sky are also very colorful from white to blue and red. These are the Andromeda galaxy and the Hercules Nebula. Once you start getting familiar with the constellations you should look for these two objects. Periodic and occasional Objects The night sky is filled with a lot of objects that come and go in different patterns. This is when the Earth passes through clouds of space debris. Some meteor showers can give as many as 120 falling stars every hour. But occasionally a comet will become very bright and be easily visible with the naked eye. It is a extraordinarily rich environment with objects of all kinds. All you need is dark skies, a few charts, and a little bit of time. WHAT'S UP  
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Night Sky,Telescope