压倒
发表于 2025-3-25 04:18:43
https://doi.org/10.1007/978-3-642-52368-7In the preceding chapter I talked about various image-processing . Of course, not all of these features are available with every software package. The purchaser of a CCD camera soon finds out that the software that comes with the camera does not necessarily come with the routines that he or she wants.
acclimate
发表于 2025-3-25 09:40:19
Dezentralisierung der Verantwortung,An observatory may, to the beginner, seem like a secondary issue when contemplating the purchase of a modest telescope. Admittedly, a small telescope such as a 75 mm refractor or 150 mm reflector can be hauled out of the house whenever the clouds part, but lugging anything bigger outside can be a major effort.
gusher
发表于 2025-3-25 14:06:15
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Boycott
发表于 2025-3-25 16:11:28
Refractors and Reflectors,Refracting telescopes (“refractors”) focus light by using a lens (or “object glass”, or “objective”) as shown in Figure 2.1.
小母马
发表于 2025-3-25 23:22:11
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GEN
发表于 2025-3-26 01:39:34
Binoculars,To most beginners in Astronomy, binoculars seem at first to be of very limited use. Surely a telescope is what is required to enjoy astronomy or do useful scientific work? Nothing could be further from the truth.
climax
发表于 2025-3-26 04:57:59
Telescope Mountings,Most amateur astronomers buy their telescopes as a complete package, that is, the optics, tube, equatorial mounting and tripod are purchased as a working system.
反省
发表于 2025-3-26 11:50:42
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完整
发表于 2025-3-26 14:09:45
Image Processing, Planetarium and Telescope Control Software,In the preceding chapter I talked about various image-processing . Of course, not all of these features are available with every software package. The purchaser of a CCD camera soon finds out that the software that comes with the camera does not necessarily come with the routines that he or she wants.
平
发表于 2025-3-26 20:19:26
Observatories,An observatory may, to the beginner, seem like a secondary issue when contemplating the purchase of a modest telescope. Admittedly, a small telescope such as a 75 mm refractor or 150 mm reflector can be hauled out of the house whenever the clouds part, but lugging anything bigger outside can be a major effort.