Titlebook: Astronomical Equipment for Amateurs; Martin Mobberley Book 1999 Springer-Verlag London 1999 Astrometry.CCD.Observatories.astronomy.instrum

压倒

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

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

Boycott

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

GEN

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

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

完整

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

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.