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Choosing The Best Telescope For Astronomy
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Choosing The Best Telescope For Astronomy

Picking the best telescope for astronomy is a challenging process that I'm not sure the question can even be answered. Choosing the best telescope for astronomy for you personally is an easier quest, but even so, there will be many factors to take into account. Let's consider a glimpse at the key ones and determine which telescope for astronomy is the one for you.

First, why don't we look at the various kinds of telescopes.

Refracting Telescopes

A refracting telescope utilizes a curved lens to bend light and bring it to a focus. Galileo made use of a refracting telescope that he built himself.

Advantages of Refracting Telescopes: Good-quality refracting telescopes provide two main advantages. Initially, their aperture is completely clear. What this signifies with regard to you and me is that when it comes to buying a telescope for astronomy, refracting telescopes provide the best "contrast". They are considered the ideal variety of telescope for observing double-star systems and planets.

The next benefit for refractors when making a telescope for astronomy purchase is that they tend to be extremely low maintenance. For any new astronomer this is usually a very big benefit.

Disadvantages associated with Refracting Telescopes: There can frequently be chromatic aberration when observing bright objects such as Jupiter or the moon. This appears similar to a halo of colour around the object being observed.

Another disadvantage to refractors when making a telescope for astronomy purchase will be the cost. It costs virtually 10 times more to make an comparable lens for a refractor than to produce the same mirror for a reflector.

Reflecting Telescopes

A reflecting telescope utilizes mirrors rather than lenses to direct light to your eye. Newton utilized a reflecting telescope (today called a Newtonian) and there are several other kinds of reflecting telescopes available.

Advantages of Reflecting Telescopes: Mirrors tend to be much less expensive to produce when compared to a lens making larger telescopes nearly exclusive this type.

A second benefit is the fact that these telescopes have no chromatic aberration.

Disadvantages of Reflecting Telescopes: These kinds of telescope have an impediment of light due to the secondary mirror. This means that some light is scattered, which leads to a lesser amount of contrast.

Mirrors may also require recoating, which is a maintenance concern. Reflecting telescopes also need regular collimation or alignment, especially if they are being relocated often. Anyone can do this, however it is an element associated with these types of telescopes that ought to be considered when buying a new telescope for astronomy purposes.

There are also "compund telescopes" which use both technologies. The most prevalent telescope for astronomy used by amateurs is of this type and is known as a Schmidt-Cassegrain.

A telescope for astronomy is different than making use of one to peek into your neighbour's home or even to watch the boats on the bay outside your holiday cottage. A telescope for astronomy is really a tool that will make or break your experience.

A larger telescope will always outperform a smaller sized one. There is no question that your viewing enjoyment through a bigger telescope will eclipse, pun intended a more compact one, BUT and notice that is a huge but... a more compact telescope for astronomy will be utilized significantly more often. A small telescope for astronomy is significantly easier to transport and setup.

In the end, purchasing a telescope for astronomy is an extremely personal one. Do you want power at the expense of transportability or is getting out and observing for a longer period more important to you? In the end, the decision is yours, but what a wonderful decision it can be!


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