But colored filters can overcome image deterioration caused by the properties of light. At first glance, adding a color tint to your view of the Moon may not seem like an improvement. To dim such an overpowering Moon, we can use several types of eyepiece filters, including neutral-density filters and polarizing filters.īut perhaps the most useful are colored filters, made of glass coated in gelatin-dye. From our vantage point during these phases - First Quarter to Third Quarter - the Sun is shining more directly overhead, and, therefore, more brightly on the Moon’s surface. In fact, you will learn very quickly that it can be painfully bright in any telescope with an aperture larger than about 3 inches, whenever the Moon is more than half Full. Its mountains, impact craters, and rays of debris are spectacular. The Moon is an obvious target for the beginning observer.
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