![]() This phenomenon is called dark adaptation, and it is crucial for visual astronomy, especially for observation of faint objects, such as galaxies and nebulas.ĭon’t expect to see faint objects in the eyepiece if you have been spending time in front a TV, computer or looking at your phone. But then, as your eyes adjust to the darkness, many more stars come into view. You’ve probably noticed that when you first go outside from indoors on a starry night, you can see relatively few stars. Related : Best Celestron Telescope Reviews 5. I highly recommend covering the optics and leaving your telescope outside for an hour or so before observing to give it some time to cool down. The difference in temperature will cause currents inside the tube making the image blurry, particularly with a higher magnification. In most situations the temperature indoors is much warmer than outside, so the telescope will usually be much warmer than the surroundings and it will have to lose its heat to the cool night air. Let Your Telescope Cool Down Before Using. Related : Best Computerized Telescope GoTo Reviews 4. Refractors rely on the star diagonal to bring the eyepiece into the focusing range of the telescope, so if you can’t get anything to focus, use the lowest magnification and make sure you always have the diagonal in place between the eyepiece and the telescope. So, a 45-degree mirror called a star diagonal is used to deflect the image into an eyepiece, making the viewing angle more comfortable. If you looked through the eyepiece directly, your neck would be bent at an uncomfortable angle. When you look at an object high in the sky, the eyepiece is facing down toward the ground. Refractor telescopes have a start diagonal, which allows more convenient and comfortable viewing when the telescope is pointed at, or near the zenith (i.e. Related : Best Telescope For Astrophotography Reviews Only increase the magnification once you have your target nicely centered in a low power eyepiece and, again, do so progressively, making gradual shifts in focus until you have the sharpest possible image. ![]() Even finding a big object like the Moon can be tricky using a high magnification. Moreover, you see less of the sky, just like using the zoom when taking a photo. When you look through a higher magnification eyepiece, things do look bigger, because the amount of light in the object is spread over a bigger area, so things actually look dimmer. The most important thing when trying to find any object in the night sky, is to start the wider field typicallyĪssociated a low magnification eyepiece, which means using the eyepiece with the largest number on it, generally 20 or 25 mm. This is one of the most common mistakes most beginners make. ![]() Choose The Right Eyepiece For Your Telescope. Related : Best Intermediate Telescope Reviews 2. ![]() The time spent aligning your finderscope during the daytime will save you from a lot of frustration while trying to locate objects in the dark of the night. I highly recommend that you double-check your alignment by using the finderscope to select another randomly chosen target to see if it’s in the main scope. Once you’ve established a nice crisp focus and the object is sharp in the eyepiece, look through the finderscope and adjust it to show exactly the same point. Using your lowest power eyepiece (the one with the highest focal length number printed on it), look into the eyepiece of the main scope and center it on a target. It must be something clearly defined and far away, as close to infinity as you can get. Align The Finderscope With Your Telescope.ĭuring the daytime, aim your telescope towards a distant object such as a telephone pole, an antenna, a tree, church spire, edge of a building, etc. Related : Best Telescope For Home Use Reviews Can’t See Anything Through Your Telescope? These Tips Might Help! 1. There are a few more things that you can do to make sure that you get clear views of the night sky through your telescope, rather than pitch black darkness. ![]()
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