Tripod Project

Jan 12
2010

Tripod Project

It is unimaginable how big the universe, if we look at the sky, scenes with the stars. But not all of us know that behind the dark sky Millions of undiscovered deep sky objects (DSO). Unfortunately, this can not be seen all the beauty of the configuration of the object and color our sense of limitation and eyes the long walk from our place. Through the mastery of photographic techniques could, digital imaging and astronomy, the beauty of the DSO will be presented and by a Photo included. In order to capture images like DSO asplanet, galaxy clusters or nebula, but it requires an astronomical knowledge about the location of the DSO in the sky.

Than Consequence of the earth's rotation, the position of the DSO relative changes, so that the DSO is not always remain in a position where we observe it. DSO photography Method There are several methods which can be used to photograph DSO, such as rigid camera mounting and star tracking. The first is the easiest way to the beauty of the DSO, with broad Record field of view, you use a tripod and wide-angle lens with focal length of 17mm to 200mm. It takes a camera with manual setting so that we can check the duration of exposure. It is a time limit of the exposure duration in this method to avoid traces of star (as a consequence of the relative DSO).

With a longer focal length, a shorter Duration of the shutter, provides only a small data recorded. But if you want, Star Trail will record that you need to have a longer shutter speed, so that the object motion will be recorded as a long and beautiful star route. For star tracking method, we use a special tripod (German Equatorial Mount / GEM) supplied with RA motor drive, to compensate for relative movement DSO, but first we have to do what needs to be called as a polar alignment. Polar alignment is a process of adaptation The GEM-position stand so that its axis in the same line with the Earth axis.

It is the object position is on the viewfinder to make look the same. This method gives us recruited more space for the long exposure, the moment of patience. Master the techniques of photography right. Street photography does not mean that we take pictures without techniques. It is the moment when we are shooting to break the rules, to give deeper meaning, blurring the image, for example.

So dare to be different. Do not feel with poor quality of your tools, we can take a low light level. At the star tracking method, the camera in some way, be put as: Camera and Lens (all sizes) that are directly administered with GEM stand. The camera and lens can be applied on top of the main telescope, so that both follow the telescope in the direction. This method is called a "piggyback". Camera is used to jump through a telescope eyepiece adapter. In this case, the telescope camera lens is replaced.

It means "top priority", but it can only be done with SLR / DSLR or CCD sensor / web-cam. Camera is applied to the back of the telescope eyepiece with an adapter, so that the image projection, which is visible through the eyepiece, can be recorded by the camera. This is called an "eyepiece" known. As a tool to us in the observation help, we can use a telescope. As long as the position of the telescope camera can replace / Web Cam (through) via an adapter, it can used for astrophotography will.

There are several types of telescopes that are widely used, namely: refracting telescope with a magnifying glass as the main contractor optical components. Reflector with a Parabolic mirror as the light collector. This type of telescope called Newtonian Catadioptric the combination of the two is up, because it has a lens and mirror optical component. The performance a telescope is measured not only by the focal length, but also used by the size of the aperture – the diameter of the optical component for collecting light. The larger Diameter (lens or mirror), the greater will be captured the light and will result in a higher resolution. At the same magnification and identical optical quality, 8-inch telescope will provide a detailed picture with a higher contrast than 5-inch telescope.

Astrophotography is a challenge that requires Patience, opens up a broad insight into astronomy and can be enjoyed as a branch of photography, and praise God for the great quantity of natural beauty, too far from where we belong. Just be safe! Even a compact camera that can deliver such a stunning photographs.

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