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Titlebook: Astronomy with a Budget Telescope; Patrick Moore,John Watson Book 20031st edition Springer-Verlag London 2003 Telescopes.asteroid.astronom

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樓主: Optician
21#
發(fā)表于 2025-3-25 05:21:40 | 只看該作者
22#
發(fā)表于 2025-3-25 10:49:52 | 只看該作者
Observing the Stars and Galaxies,Come now to the stellar heavens, where there is a great deal of scope for the user of a budget telescope.
23#
發(fā)表于 2025-3-25 14:39:48 | 只看該作者
24#
發(fā)表于 2025-3-25 18:52:11 | 只看該作者
The Next Steps,Apart from his Meade ETX, all Patrick’s telescopes have permanent observatories in Selsey. This shows his 12?-inch Newtonian, in a “double runoff” protective building.
25#
發(fā)表于 2025-3-25 22:56:20 | 只看該作者
Fortschritte in der parenteralen Ern?hrungways a straightforward answer, because so much depends upon the interests and the circumstances of the beginner. However, there are various points to be borne in mind at once, and these are important, because it is only too easy to make a wrong choice and be bitterly disappointed.
26#
發(fā)表于 2025-3-26 00:10:20 | 只看該作者
27#
發(fā)表于 2025-3-26 06:10:05 | 只看該作者
Der vordere anatomische Hüftzugang (AHA)s not the case with a camera, which is why photography is such a powerful tool for astronomers. When you use a camera to take a normal photograph the shutter is usually open for a tiny fraction of a second, to “stop” the motion of moving objects. Typically this ranges from 1/100 second to 1/2000 sec
28#
發(fā)表于 2025-3-26 09:32:04 | 只看該作者
Hüftarthroskopie und Impingementer at the processing lab why . pictures have to be treated specially. If you are using a 35mm camera, most processing houses will copy your negatives onto a CD-ROM when they develop and print the pictures, for a couple of dollars (or pounds) extra. Scanners designed for PCs sometimes feature a film-
29#
發(fā)表于 2025-3-26 13:15:28 | 只看該作者
Introduction,ways a straightforward answer, because so much depends upon the interests and the circumstances of the beginner. However, there are various points to be borne in mind at once, and these are important, because it is only too easy to make a wrong choice and be bitterly disappointed.
30#
發(fā)表于 2025-3-26 18:47:56 | 只看該作者
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