If you go beyond 50x, the view will surely get dim and blurry. The First Time Telescope User's Guide will teach you how to use your new telescope correctly. Another common question is about the use of our telescope to see terrestrial objects. Have you just bought a new telescope? Now, we have to explain what you can see. However, there is one exception; double stars. The truth is that the answer is not easy. Switch off any lights and stay away from the streetlights too. That said the views of a faint remote galaxy or the sparking stars on the outer halo of a globular cluster are astonishing. Keeping within the limits of 50x per inch of the scope’s aperture is a universal rule. Credit: GalaxiesSoup.com, M81 and M82 galaxies in Ursa Major. Take care not only of the main telescope tube but also of the finder which could burn something. Here are some pointers that will most likely help you troubleshoot the problem: If visibility is a problem at night, we suggest that you practice in the morning. Inside this deep sky category we can mention the following types: They are medium to low density star group. Do not place your eye right against the lens of the eyepiece. Point your telescope at a landscape located hundreds of yards away. The maximum recommended magnification is a critical deliberation. It is important to stress that there is no precise guideline for exit pupil measurement. We will be able to count dozens or cents of stars. Centaurus A is another relatively bright galaxy in the South hemisphere. Double open cluster in Perseus. A low-powered eyepiece has a wider field of view. Stars appear white is because you can't detect the difference in star color – they all emit white light. 1.) Your email address will not be published. The amount of observable celestial objects and their visible details will depend on several factors: The size and the optical quality of a telescope, the observing loca… The best example of double star on the northern hemisphere. The optimum magnification for a telescope isn’t available as a fact. This is due to the central obstruction in the secondary mirror. Now move the scope while keeping an eye on the tube. For aiming, you can hold the tube from behind. We usually choked. During the day, find something at least a mile away and aim your telescope at it. (DON'T look at the Sun - eye damage!) Here’s a tip. We are not affiliated with GigOptix, Inc, GigPeak, Inc, or any subsidiaries. This will cause strain for your eyes. In a small telescope, planets show a wealth of color, again because they are bright. First, we have to suggest him to point to a bright star and see its appearance and how sparks due to the atmosphere turbulence. In this article I will try to illustrate the views you can expect through different telescopes, and maybe help to decide which one to choose. The answer is ‘yes’, you can although depending on the optical system, the image can suffer some mirror effect; we could see everything upside-down or inversed the right to left when we point to something on the ground. Recently, somebody asked me if he could see a whole constellation with the scope…, About the scale, we have to clarify that no… you cannot see a complete constellation but just a very small portion of it. Craters and mountains over the Moon should be one of our first observations. Finally, we have to tell our friend something about the images obtained with a telescope and warn him about the differences between the images he will be able to see through the scope and the images on the web or books. They are satellite galaxies of the Milky Way. If you are not able to see anything through your scope now, Don’t fret. Surely, you’ll only see miniaturized versions of these planets, but it’s still a great experience. You can learn, focus, aims, and alignment of the scope easily in sunlight. With the eyepiece holder how it extends in and out. We must explain to him that those photographs are exposures of many minutes (even hours) while our eyes only integrate light during a fraction of second. Find the drawtube depending on the type of telescope you have. Your eye power, the eyepiece’s exit pupil, and the telescope are the significant factors. It’s your telescope and the technique that needs some guidance. Fainter stars only show as white and need a telescope’s increased light-gathering power to show colors. This makes up for the best visual experience for astronomers. Credit: Álvaro Ibáñez, Image of Messier M27 Planetary Nebula. First you will apply low magnification and later with more magnification to see the surface details. Hi. It is a common complaint from a novel observer that he only sees white isolated stars. It’s your telescope and the technique that needs some guidance. How do you Polar Align using an Alt-Az Mount with a Wedge? If you are older than 40 years of age, this diameter further drops to 5 or 6mm. Credit: UnderOakObservatory, Wide field image of the Messier M13 Globular cluster. As soon as I insert any lens (one of those approx 1" long items 20mm, I have a couple different ones.) A decent telescope is required if you are to view planets and stars clearly as cheap, budget telescopes just don’t cut it. Credit: Tom Diana. I have a 200mm telescope which collects perhaps 1600x as much light as my naked eye, but objects such as the Andromeda Galaxy or the Orion Nebula are no brighter in appearance than I can see with my naked eye, or through binoculars. You will learn how to align the finder, how to calculate the power of your eyepieces, how to pick a good observing site, how much power is too much power, and what telescope accessories you really need. Look through the finder, and if the target isn't centered in it, adjust the finder.