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The Basics
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• The first step is to find what you're looking for. Whether you star hop or use a go-to mount, find the object with a low-power eyepiece to get a wide field of view. Congratulate yourself, step back, take a sip of coffee or water and a few deep breaths. Oxygenate your brain… this will help you see better.
• Step back up to the eyepiece. Inspect the object and the stars around it. Is the field of view around the object rich with stars, or is it relatively sparse? What are the colors of the brightest stars in the field of view?
• Now look at the object itself. What is its shape? If it's a galaxy, is it round, or elongated? Does the shape change when you use averted vision? Do you see any structure, dark patches or dust lanes? As you look through the eyepiece, tap gently on the side of your telescope to stimulate your eye's innate ability to detect motion.
• If you're looking at a globular cluster, can you resolve individual stars around the edge, or all the way to the core? Again, averted vision will help enormously. Move your eyes right and left, up and down to see which view is best. Does the density of stars dwindle suddenly at the edge, or more gradually? Any color?
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A Deeper Look
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• Take your time as you look for structure, shape, color, and patterns. Wait for fleeting moments when the atmosphere steadies. Sometimes you get a few seconds of clear seeing when the object seems to jump out at you in 3D. Now step back from the eyepiece and try to hold in your mind the image of what you have seen. How would you describe what you see to someone else?
• Put in a higher-power eyepiece and repeat the above process. For dim, large-area objects like nebula and face-on galaxies, medium power is good enough. But for tight globular clusters, planets, planetary nebulae, and double stars, work your way up to the highest-power eyepiece you have.
• To develop the keenest attention to detail, try sketching what you see. All you need are a few pencils and a piece of paper. Don't worry if you can't draw. You're goal isn't to produce a work of art. It's to develop awareness of fine detail. Take a look, sketch a little, take another look, and sketch some more. Perfect this skill, and you will be astonished at what you will see, even with a small telescope.
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A Bit of History
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Steven James O'Meara is one of the keenest observers alive. In the mid-1970's, he saw what looked like radial spokes in the rings of Saturn. No one else could see them, and so no one believed him. But he was vindicated when Voyager 1 arrived at Saturn in 1979 and took close-up photos of the spokes which arise from interactions between the rings and Saturn's magnetic field.
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Personal View
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When you're pressed for time, go for quality over quantity. I rarely look at more than 3-4 objects per hour. But with a little patience, I see new detail nearly every time, even in objects I've seen many times before.
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