Reflector Telescope

The reflector telescope uses a mirror to gather and focus light. All celestial objects (including those in our solar system) are so far away that all of the light rays coming from them reach the Earth as parallel rays. Because the light rays are parallel to each other, the reflector telescope's mirror has a parabolic shape.

The parabolic-shaped mirror focuses the parallel lights rays to a single point. All modern research telescopes and large amateur ones are of the reflector type because of its advantages over the refractor telescope.

There are many advantages to using a reflector telescope as opposed to a refractor telescope. Reflector telescopes do not suffer from chromatic aberration because all wavelengths will reflect off the mirror in the same way. Support for the objective mirror is all along the back side so they can be made very BIG!

Reflector telescopes are cheaper to make than refractors of the same size. Because light is reflecting off the objective, rather than passing through it, only one side of the reflector telescope's objective needs to be perfect.

Even with these advantages, there are some disadvantages to a reflector telescope. First, it is easy to get the optics out of alignment. A reflector telescope's tube is open to the outside and the optics need frequent cleaning. Often a secondary mirror is used to redirect the light into a more convenient viewing spot. The secondary mirror and its supports can produce diffraction effects: bright objects have spikes (the “Christmas star effect'').

In both the reflector and refractor telescopes, the focus is before the eyepiece, so the image in astronomical telescopes is upside down. Telescopes used to look at things on the Earth's surface use another lens to re-invert the image right-side up.

Most reflector telescopes will use a smaller secondary mirror in front of the large primary mirror to reflect the light to a more convenient viewing spot. Isaac Newton used a flat secondary mirror at a 45° angle to reflect the light to an eyepiece at the side of the telescope tube near the top. Such an arrangement, called a Newtonian design is used by many amateur telescopes.

Many reflector telescope use another light path design called the Cassegrain design to reflect the light back through a hole in the primary mirror, so that detectors or the eyepiece can be conveniently placed behind the telescope. Most of the large telescopes used for research, including the Hubble Space Telescope, are of this design.

Hubble Telescope Photos

From the moment it was launched into space, the Hubble Telescope began taking amazing photos of space and transmitting them back to Earth. The cameras aboard the Hubble Telescope were made to capture the highest quality photos, and since 1986, it hasn’t let astronomers down.

Some of the photos taken by the Hubble Telescope are utterly amazing. Never before has any telescope produced photos like what we have seen from the Hubble. The excitement that has been generated from these images has caused a buzz in the astronomy world and continues to cause that same buzz even years after its launch.

Unfortunately, as of this writing in 2007, the Hubble’s main camera has stopped working. This requires a manned space mission to perform maintenance on the Hubble Telescope so that it can start taking amazing photos once again until it is replaced by the James Webb Space Telescope.

But we digress. The Hubble Telescope has produced amazing quality photos of various galaxial objects for years. These photos have helped researchers learn so much about space that even they have been amazed at what has come back. From its inception in 1946, the Hubble Telescope continued to amaze experts for many, many years with the photos that it has sent back.

Probably one of the most innovative technologies to ever hit the world of astronomy was the Hubble Telescope. Its photos have served as lessons and teachable moments for the world’s school teachers as they could finally show their students the world of space. When you take a moment to look at some of the images that are sent back from the Hubble, we think you’ll agree that they are utterly amazing!

The technology that went into put a camera on the Hubble telescope so that it could send photos back to NASA was years in the making. In fact, cameras themselves have come along way over the years as well. Once the Hubble began construction in the late 1970’s, the builders knew that they would have to wait until the last minute to install the camera because technology was bound to evolve over the years until the telescope would be able to be released into space.

It’s very true that the Hubble telescope has produced incredible images and the photos really can speak for themselves. Just do a Google search under the images tab and marvel at the wonderousness of space!

Telescopes

ある日、数百年前、多くの名前のガリレオは、夜空に見、楽器の一種のファッションが、彼は星や惑星をより良いアイデアだった。したがって、望遠鏡が誕生しました。それ以来、望遠鏡研究惑星、星、私たちのように、これまでにないように夜空を探索するための強力な楽器の進化。

多くの人々が彼らの自身の望遠鏡を所有している天文学を趣味として楽しむことができます。私は本当に天国に報告し、星座を勉強し、魅力的なビジネスです。望遠鏡のレンズを通して見ると、本当に私たちが住んでいる世界についてのいくつかの素晴らしいものを見つけることができます。

望遠鏡の助けを借りて、月、星、そして多くのニッチとクレーターを見ることができます。空-すべての神話の根層化の歴史と彼らの自身の物語で、多くの星がある。

望遠鏡、なしのものの多くの発見がある。新銀河、太陽系、新しい惑星と衛星の発見されている。望遠鏡を使用して楽しむことができる必要がある領域に興味を持っている必要はありません。しかし、私たちが住んでいる世界についての何か新しいものを学ぶことが欲望する必要がある。

望遠鏡は、大きいまたは小さい高価な、またはあまりにも高価になることがあります。もしあなたが本当に天文学ではなく、強力な大型望遠鏡をお勧めします。もしあなたが単にカジュアルな観察者は、小型望遠鏡よりよくすることである。

信じられないかもしれない、彼の望遠鏡を作成できます。趣味の店で利用することができますキットがある、または一から作成することができます。それは驚くべきことに、両方の手で作成することにより、星を見ることができる満足することができます！

すべての楽しさと望遠鏡を提供できる有意義な趣味を楽しむことができます。若い人が高齢者が彼らの知識を渡すことができます彼らは望遠鏡でより多くの新しいエキサイティングな発見を見つけるために引き続き空間の輝きについて学ぶことができます。

それはそこに多くの発見を作成するための大きな世界、望遠鏡の楽しい世界を探索し、エキサイティングな。宇宙の広大な、おそらく完全に理解するための素晴らしいコンセプトです。しかし、望遠鏡で宇宙を見て起動すると、それは本当に私たちが住んでいる大規模な世界を実現するために来る。

Pictures of the Spitzer Space Telescope

The Spitzer Space Telescope is just one part of NASA’s push to launch as many space telescopes into space that they can so they can obtain as many pictures of galaxies, stars, constellations, and planets as they can. The Spitzer Space Telescope was launched in 2003. It follows a rather unusual orbit which is heliocentric instead of geocentric, following Earth in its orbit, and drifting away from Earth at approximately 0.1 astronomical unit per year (a so-called "earth-trailing" orbit).

The primary mirror of the Spitzer Space Telescope is 85 cm in diameter, f/12 (i. e. the focal length is 12 times the diameter of the primary mirror) and made of beryllium. The satellite contains three instruments that will allow it to take pictures as well as photometry from 3 to 180 micrometers, spectroscopy from 5 to 40 micrometers, and spectrophotometry from 5 to 100 micrometers.

So what does this mean to us? Basically, it means that the Spitzer Space Telescope can take pictures at a higher clarity than any other space telescope including the Hubble. That makes it one of the most promising space telescopes to ever be launched. The pictures that the Spitzer Space Telescope can provide might be some of the most amazing images that we might see.

When we have telescopes in space, we are able to get up close and personal pictures of the galaxies from a vantage point that we could never have here on Earth. The Spitzer Space Telescope will be able to provide scientists and researchers with pictures that will help us gain new knowledge about the cosmos and space in general.

The Spitzer space telescope is the only one of the great space observatories that was not launched by a space shuttle. It was originally intended to be launched by the space shuttle, but like the Hubble space telescope, its launch was delayed by the Challenge disaster which shut down NASA’s space shuttle program for nearly two years.

Now that it is up in space, the Spitzer space telescope is starting to provide amazing pictures to astronomers of the cosmos that have only been seen before by the Hubble telescope. By being right there in the middle of deep space, it is able to obtain pictures that have not been realized by any other space telescope making the Spitzer one of a kind.

What do pictures of space – like those taken by the Spitzer space telescope – tell us? They can show us new galaxies, new constellations, new stars, and even new planets. In fact, thanks to the Spitzer space telescope, the planet Pluto has been “undeclared” a planet thus messing up every acronym for remembering the planets in the solar system for everyone!

How to Use a Telescope

If you are new to astronomy and are clueless as to how to use your telescope, rest assured, you are not alone. However, it’s really not that difficult learning how to use a telescope. It just takes a few adjustments and knowing what equipment your telescope has. You must be familiar with the pieces of the telescope and how each of them work. The rest is easy.

The first thing you will need to know in learning how to use a telescope is does your telescope have a polar axis or not. A polar axis is intended to track. A telescope without a polar axis is merely a point and look, or what is called Alt-Az. Alt means altitude and Az means azimuth, where Alt is the distance above the horizon, and Az is the direction in a circle around the horizon. If you have an Alt-Az mount, just skip the polar alignment step.

If you have a polar axis meaning that your telescope is intended to track the stars, then find north, and make sure the polar axis is approximately lined up in that direction. It does not have to be too accurate, but make sure it is pointing pretty close to north. If you are not sure where north is, either use a magnetic compass, or try to find Polaris, the North Star. 

Now you are ready to align the finder scope. You will have to find a way to align your finder scope so that it is in line and points to the same thing you see in the eyepiece. Then you can use it to find objects of interest. This probably is the hardest part when learning how to use a telescope.

The best way to do this is to find the lowest power eyepiece you have, and use it to find a bright planet like Jupiter, or even the moon. Once you get Jupiter centered in the eyepiece of your telescope, and if your telescope tracks, lock down the drive to follow the planet so it will stay centered in the eyepiece. If your telescope does not track, then just re-center the planet in the eyepiece from time to time.

Now, look at the finder scope. It should have somewhere on the mount at least one set of three thumb screws holding the finder scope in place. Gently loosen the screws on the finder scope and look through its eyepiece. You should see a cross hair or "X". Align the planet on the cross hair by alternately adjusting the screws until it stays centered. When it is, try to tighten the screws so it holds the finder scope securely. Now your finder scope is aligned with the telescope eyepiece, and you should be able to use it to find other objects of interest.

Now you’re all ready. Learning how to use a telescope involves more trial and error than anything. Fool around with the eyepiece and adjuster a little bit and you will be well on your way to star gazing with ease!

Space Telescope Photos

Is it possible to take great photos of space with a telescope? Of course it is! Many telescopes come equipped with a camera that allow for amazing quality photos of space, but they are quite pricey. You can actually take your own photos of space with your telescope using your own camera.

What you first need to do is get a clean focus on the image that you want to capture. Make sure that it is in clear clarity and then fix your eyepiece so that you don’t lose it. Then take any old camera and put it up to the eyepiece. After that, you are free to click away!

Of course, taking photos of space through the lens of your telescope isn’t always as easy as it sounds. You will first need to set your camera to the highest resolution it can handle. For a digital camera, that’s the largest pixel size. You will not be able to take as many photos through your telescope, but they will be of the best quality.

If you have a high-quality camera, you will want to set the “F Stop” to its lowest number. That way when you start clicking, the shutter will be able to capture the best photos through your telescopes and be able to capture space in a still image that will amaze your friends and family!

The vastness of space is really quite humiliating in a way. When you gaze at the night sky through a telescope, you often realize that you are only a part of something that is much larger than you could ever fathom. After all, do we really know whether or not space has any limits? Of course we don’t.

However, taking photos of space with your telescope can help you overcome that “small” feeling by realizing that you are really a part of this whole huge universe and that no matter how small you feel, you are still an integral part of the world as we know it.

While that may sound a big “New Agey”, it still is the truth. By exploring space through a telescope and taking photos of what you see, you will realize the amazing beauty that exists over us. Then you can share that beauty with others who will benefit from it as well.

So the next time you get out your telescope and start looking at the night sky, take a few space photos and then marvel at what you see. It’s an art in and of itself to take photos like this, but even if you have no experience, you will still be amazed at what space can teach us with a telescope and a camera that produces a photo that probably can’t be duplicated.

Telescope Review of 14” LX200R

Made by the Meade company who has been producing quality telescopes for years, the 14” LX 200R has been getting rave reviews since it came on the market. The Meade company is one of the most respected in the world of astronomy and this product is one of its best ever made according to what users are saying about this great telescope.

Robert from North Carolina says:

“I’ve owned the Meade 80mm, 125ETX and a 10" LX200. The 14" LX200R is awesome! This is a research-grade instrument with an enhanced RA drive (same as the RCX drive) and built like a tank! It was a hit at the recent MASP star party and this is the last large transportable scope I will buy! Love it! Thanks Meade for making such a fine instrument!!”

Such a rave review for the 14” LX200R telescope is not unheard of in the telescope world. This telescope is quite pricey at an average price of about $6,500. That’s a lot of money to most people, but to experienced star gazers, it’s an investment they are willing to make in order to get the most out of their experiences.

Another review of the LX200R 14” telescope done by Lana of Virginia tells us:

“Meade is a name that most of my astronomy buddies rely on. After owning a cheap telescope, I decided to take a chance and spend the extra money to buy the LX200R 14”. Am I glad I did! The images I saw through the eyepiece were strikingly clear and it was easy to use on top of it. Many people in my astronomy club own this telescope, so I wasn’t really all that apprehensive of spending so much money, but hearing them rave about this telescope, I gave it a try and was pleasantly rewarded with a quality instrument that I don’t think I’ll ever outgrow!”

Those two reviews of the LX200R 14” telescope are not uncommon. What we’ve found, after reading many, many reviews show that this product is one that can be trusted and one that is well worth the money. In fact, the price is the only thing that people listed as a negative side. However, they also report that when they can get a professional quality telescope at a price like that, it is well worth the investment as owners say they will probably keep and use this telescope for a very, very long time.