Sky at Night - Discover Space Yearbook 2017 (gnv64) torrent

Sky at Night - Discover Space Yearbook 2017
English | 116 pages | True PDF | 21.4 mb

Features
Visual observing guide: supernovae 6
Peeling back the layers 10
Secrets of Selene 14
Capturing planets the Dobsonian way 20
Imaging under city skies 24
Equipment reviews: best of 2016 29
Month by month guide
January 36
February 40
March 44
Winter target: open cluster M35 48
April 50
May 54
June 58
Spring target: galaxies M81 & M82 . 62
July . 64
August 68
September 72
Summer target: globular cluster M22 . 76
October 78
November 82
December 86
Autumn target: the Crab Nebula, M1 90
Features
Insight Astronomy Photographer of the Year 2016 gallery 92
Project: showing lunar libration 100
Project: variable star light curves 102
3URMHFW SORWWLQJ D EXWWHU? GLDJUDP 104
How to: thermally optimise your telescope 106
+RZ WR PDNH D VLPSOH VRODU ?QGHU 108
How to: clean your DSLR sensor 110
Subscribe to BBC Sky at Night Magazine 112
Glossary 114