The Observer's Guide to Astronomy:

The Observer's Guide to Astronomy:

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How can you find new minor planets, comets and novae? How can you use photoelectric detectors to derive the temperatures of stars? And how can you predict future eclipses and occultations of stars by minor planets? The questions asked by serious amateur astronomers are answered in this authoritative and wide-ranging guide, first published in 1994. For each topic, sound practical methods of observation and the scientific background are given to lead you to better observations. Guidelines also show you how to record and catalogue your observations using the recognised professional terminology and classification schemes. From the simplest pencil drawings of the moon to observations of the most distant galaxies with state-of-the-art CCD cameras and photoelectric photometers, this guide is packed with practical tips for all types of amateur observations. It will develop the observational skills of the keen novice and satisfy the more demanding needs of the experienced amateur astronomer.Numerous authors have tried to determine the best reduction formula, with greater or lesser degrees of success. ... excluding sporadic meteors); C is the average fraction of the sky that is unavailable during the observation period ( because of natural obstacles, clouds, etc.); K is a ... The zenith distance is calculated from: cos Z = cos alt;/agt; cos 6 + sin alt;Ap sin 6 cos(0 a€” a), where 4agt; = geographical latitude, ... 70 60 30 ZHR a€c agt; 10O perse1ds a€c so-ioo 657 12.3 Visual observation of meteors.

Title:The Observer's Guide to Astronomy:
Author: Patrick Martinez
Publisher:Cambridge University Press - 1994-09-22

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