Photoelectric Photometry of Variable Stars (Hall, Genet)

A Practical Guide for the Small Observatory, 2nm Edition. Ed. by Hall and Genet, 6.00\" by 9.00\", hardbound, 240 pages.

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Can amateur astronomers make significant contributions to the Science of Astronomy? In this book you learn how dedicated amateurs, using either home built or commercial equipment, regularly produce data that is published in professional journals. One example, Louis Boyd (shown on the front cover) designed and built an automatic photoelectric telescope that makes hundreds of observations each clear night. His pioneering work has spawned a whole generation of highly productive instruments. But, you do not need an automatic telescope or vast amounts of spare time to be a valuable observer --- this book, written and edited by both professional and amateur astronomers shows you how to design a program that is both personally satisfying and scientifically valuable.

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4mm LACERTA Ultra Wide Angle FV=82 deg
4mm LACERTA Ultra Wide Angle FV=82 deg
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7mm LACERTA Ultra Wide Angle FV=82 deg
7mm LACERTA Ultra Wide Angle FV=82 deg
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SkyWatcher Mercury-705 (70/500) on EQ1 mount (with StarPointer, Barium25 (20x) and Barium10 (50x) eyepieces, star diagonal)
SkyWatcher Mercury-705 (70/500) on EQ1 mount (with StarPointer, Barium25 (20x) and Barium10 (50x) eyepieces, star diagonal)
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Budapest shop:
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Limited stock (1 piece). Please contact our colleagues before ordering: +36-1-202-5651
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