Sky and Telescope - October 2017 - Cover1

BEYOND PLUTO:
The Hunt for Planet X

LACAILLE:
Pioneer of the Southern Sky

OBSERVING:
The Unexpected Quasar

PAGE 16

PAGE 34

PAGE 62

THE ESSENTIAL GUIDE TO ASTRONOMY

The Fate of the
Solar System
PAGE 22

October Meteors:
See Bits of Halley's
Comet PAGE 50

The Milky Way's Gamma-Ray Factory
PAGE 14
US $5.99
CAN $6.99

skyandtelescope.com

Test Report:
MallinCam's
3-in-1 Camera
PAGE 58

10

A Victorian Revival
Observatory
PAGE 30

0

01
02
03
FnL1
CEZXIE1lZGlhDEdyZWcgS3J1ZWdlcgBZ
MDgwMjIwNza/
ZisxBDEwLjQCODABMQVVUEMtQQwwNzQ4
03 0076

OCTOBER 2017

74808 02207

6

Display until September 25, 2017


http://www.skyandtelescope.com

Sky and Telescope - October 2017

Table of Contents for the Digital Edition of Sky and Telescope - October 2017

Contents
Sky and Telescope - October 2017 - Cover1
Sky and Telescope - October 2017 - Cover2
Sky and Telescope - October 2017 - 1
Sky and Telescope - October 2017 - Contents
Sky and Telescope - October 2017 - 3
Sky and Telescope - October 2017 - 4
Sky and Telescope - October 2017 - 5
Sky and Telescope - October 2017 - 6
Sky and Telescope - October 2017 - 7
Sky and Telescope - October 2017 - 8
Sky and Telescope - October 2017 - 9
Sky and Telescope - October 2017 - 10
Sky and Telescope - October 2017 - 11
Sky and Telescope - October 2017 - 12
Sky and Telescope - October 2017 - 13
Sky and Telescope - October 2017 - 14
Sky and Telescope - October 2017 - 15
Sky and Telescope - October 2017 - 16
Sky and Telescope - October 2017 - 17
Sky and Telescope - October 2017 - 18
Sky and Telescope - October 2017 - 19
Sky and Telescope - October 2017 - 20
Sky and Telescope - October 2017 - 21
Sky and Telescope - October 2017 - 22
Sky and Telescope - October 2017 - 23
Sky and Telescope - October 2017 - 24
Sky and Telescope - October 2017 - 25
Sky and Telescope - October 2017 - 26
Sky and Telescope - October 2017 - 27
Sky and Telescope - October 2017 - 28
Sky and Telescope - October 2017 - 29
Sky and Telescope - October 2017 - 30
Sky and Telescope - October 2017 - 31
Sky and Telescope - October 2017 - 32
Sky and Telescope - October 2017 - 33
Sky and Telescope - October 2017 - 34
Sky and Telescope - October 2017 - 35
Sky and Telescope - October 2017 - 36
Sky and Telescope - October 2017 - 37
Sky and Telescope - October 2017 - 38
Sky and Telescope - October 2017 - 39
Sky and Telescope - October 2017 - 40
Sky and Telescope - October 2017 - 41
Sky and Telescope - October 2017 - 42
Sky and Telescope - October 2017 - 43
Sky and Telescope - October 2017 - 44
Sky and Telescope - October 2017 - 45
Sky and Telescope - October 2017 - 46
Sky and Telescope - October 2017 - 47
Sky and Telescope - October 2017 - 48
Sky and Telescope - October 2017 - 49
Sky and Telescope - October 2017 - 50
Sky and Telescope - October 2017 - 51
Sky and Telescope - October 2017 - 52
Sky and Telescope - October 2017 - 53
Sky and Telescope - October 2017 - 54
Sky and Telescope - October 2017 - 55
Sky and Telescope - October 2017 - 56
Sky and Telescope - October 2017 - 57
Sky and Telescope - October 2017 - 58
Sky and Telescope - October 2017 - 59
Sky and Telescope - October 2017 - 60
Sky and Telescope - October 2017 - 61
Sky and Telescope - October 2017 - 62
Sky and Telescope - October 2017 - 63
Sky and Telescope - October 2017 - 64
Sky and Telescope - October 2017 - 65
Sky and Telescope - October 2017 - 66
Sky and Telescope - October 2017 - 67
Sky and Telescope - October 2017 - 68
Sky and Telescope - October 2017 - 69
Sky and Telescope - October 2017 - 70
Sky and Telescope - October 2017 - 71
Sky and Telescope - October 2017 - 72
Sky and Telescope - October 2017 - 73
Sky and Telescope - October 2017 - 74
Sky and Telescope - October 2017 - 75
Sky and Telescope - October 2017 - 76
Sky and Telescope - October 2017 - 77
Sky and Telescope - October 2017 - 78
Sky and Telescope - October 2017 - 79
Sky and Telescope - October 2017 - 80
Sky and Telescope - October 2017 - 81
Sky and Telescope - October 2017 - 82
Sky and Telescope - October 2017 - 83
Sky and Telescope - October 2017 - 84
Sky and Telescope - October 2017 - Cover3
Sky and Telescope - October 2017 - Cover4
http://www.nxtbook.com/nxtbooks/aas/st_201912
http://www.nxtbook.com/nxtbooks/aas/st_201911
http://www.nxtbook.com/nxtbooks/aas/st_201910
http://www.nxtbook.com/nxtbooks/aas/st_201909
http://www.nxtbook.com/nxtbooks/aas/st_201908
http://www.nxtbook.com/nxtbooks/aas/st_201907
http://www.nxtbook.com/nxtbooks/aas/st_201906
http://www.nxtbook.com/nxtbooks/aas/st_201905
http://www.nxtbook.com/nxtbooks/aas/st_201904
http://www.nxtbook.com/nxtbooks/aas/st_201903
http://www.nxtbook.com/nxtbooks/aas/st_201902
http://www.nxtbook.com/nxtbooks/aas/st_201901
http://www.nxtbook.com/nxtbooks/aas/st_201812
http://www.nxtbook.com/nxtbooks/aas/st_201811
http://www.nxtbook.com/nxtbooks/aas/st_201810
http://www.nxtbook.com/nxtbooks/aas/st_201809
http://www.nxtbook.com/nxtbooks/aas/st_201808
http://www.nxtbook.com/nxtbooks/aas/st_201807
http://www.nxtbook.com/nxtbooks/aas/st_201806
http://www.nxtbook.com/nxtbooks/aas/st_201805
http://www.nxtbook.com/nxtbooks/aas/st_201804
http://www.nxtbook.com/nxtbooks/aas/st_201803
http://www.nxtbook.com/nxtbooks/aas/st_201802
http://www.nxtbook.com/nxtbooks/aas/st_201801
http://www.nxtbook.com/nxtbooks/aas/st_201712
http://www.nxtbook.com/nxtbooks/aas/st_201711
http://www.nxtbook.com/nxtbooks/aas/st_201710
http://www.nxtbook.com/nxtbooks/aas/st_201709
http://www.nxtbook.com/nxtbooks/aas/st_201708
http://www.nxtbook.com/nxtbooks/aas/st_201707
http://www.nxtbook.com/nxtbooks/aas/st_201706
http://www.nxtbook.com/nxtbooks/aas/st_201705
http://www.nxtbook.com/nxtbooks/aas/st_201704
http://www.nxtbook.com/nxtbooks/aas/st_201703
http://www.nxtbook.com/nxtbooks/aas/st_201702
http://www.nxtbook.com/nxtbooks/aas/st_201701
http://www.nxtbook.com/nxtbooks/aas/st_201612
http://www.nxtbook.com/nxtbooks/aas/st_201611
http://www.nxtbook.com/nxtbooks/newtrack/st_201612
http://www.nxtbook.com/nxtbooks/aas/st_201610
http://www.nxtbook.com/nxtbooks/aas/st_201609
http://www.nxtbook.com/nxtbooks/aas/st_201608
http://www.nxtbook.com/nxtbooks/aas/st_201607
http://www.nxtbook.com/nxtbooks/aas/st_201606
http://www.nxtbook.com/nxtbooks/aas/st_201605
http://www.nxtbook.com/nxtbooks/aas/st_201604
http://www.nxtbook.com/nxtbooks/aas/st_201603
http://www.nxtbook.com/nxtbooks/aas/st_201602
http://www.nxtbook.com/nxtbooks/aas/st_201601
http://www.nxtbook.com/nxtbooks/aas/st_201512
http://www.nxtbook.com/nxtbooks/aas/st_201511
http://www.nxtbook.com/nxtbooks/aas/st_201510
http://www.nxtbook.com/nxtbooks/aas/st_201509
http://www.nxtbook.com/nxtbooks/aas/st_201508
http://www.nxtbook.com/nxtbooks/aas/st_201507
http://www.nxtbook.com/nxtbooks/aas/st_201506
http://www.nxtbook.com/nxtbooks/aas/st_201505
http://www.nxtbook.com/nxtbooks/aas/st_201504
http://www.nxtbook.com/nxtbooks/aas/st_201503
http://www.nxtbook.com/nxtbooks/aas/st_201502
http://www.nxtbook.com/nxtbooks/aas/st_201501
http://www.nxtbook.com/nxtbooks/aas/st_201412
http://www.nxtbook.com/nxtbooks/aas/st_201411
http://www.nxtbook.com/nxtbooks/aas/st_201410
http://www.nxtbook.com/nxtbooks/aas/st_201409
http://www.nxtbook.com/nxtbooks/aas/st_201408
http://www.nxtbook.com/nxtbooks/aas/st_201407
http://www.nxtbook.com/nxtbooks/aas/st_201406
http://www.nxtbook.com/nxtbooks/aas/st_mars
http://www.nxtbook.com/nxtbooks/aas/st_201405
http://www.nxtbook.com/nxtbooks/aas/st_201404
http://www.nxtbook.com/nxtbooks/aas/st_201403
http://www.nxtbook.com/nxtbooks/aas/st_201402
http://www.nxtbook.com/nxtbooks/aas/st_201401
http://www.nxtbook.com/nxtbooks/aas/st_201312
http://www.nxtbook.com/nxtbooks/aas/st_201311
http://www.nxtbook.com/nxtbooks/aas/st_201310
http://www.nxtbook.com/nxtbooks/aas/st_201309
http://www.nxtbook.com/nxtbooks/aas/st_201308
http://www.nxtbook.com/nxtbooks/aas/st_201307
http://www.nxtbook.com/nxtbooks/aas/st_201306
http://www.nxtbook.com/nxtbooks/aas/st_201305
http://www.nxtbook.com/nxtbooks/aas/st_201304
http://www.nxtbook.com/nxtbooks/aas/st_201303
http://www.nxtbook.com/nxtbooks/aas/st_201302
http://www.nxtbook.com/nxtbooks/aas/st_201301
http://www.nxtbook.com/nxtbooks/aas/st_201212
http://www.nxtbook.com/nxtbooks/aas/st_201211
http://www.nxtbook.com/nxtbooks/aas/st_201210
http://www.nxtbook.com/nxtbooks/aas/st_201209
http://www.nxtbook.com/nxtbooks/aas/st_201208
http://www.nxtbook.com/nxtbooks/aas/st_201207
http://www.nxtbook.com/nxtbooks/aas/st_201206
http://www.nxtbook.com/nxtbooks/aas/st_201205
http://www.nxtbook.com/nxtbooks/aas/st_201204
http://www.nxtbook.com/nxtbooks/aas/st_201203
http://www.nxtbook.com/nxtbooks/aas/st_201202
http://www.nxtbook.com/nxtbooks/aas/st_201201
http://www.nxtbook.com/nxtbooks/aas/st_201112
http://www.nxtbook.com/nxtbooks/aas/st_201111
http://www.nxtbook.com/nxtbooks/aas/st_201110
http://www.nxtbook.com/nxtbooks/aas/st_201109
http://www.nxtbook.com/nxtbooks/aas/st_201108
http://www.nxtbook.com/nxtbooks/aas/st_201107
http://www.nxtbook.com/nxtbooks/aas/st_201106
http://www.nxtbook.com/nxtbooks/aas/st_201105
http://www.nxtbook.com/nxtbooks/aas/st_201104
http://www.nxtbook.com/nxtbooks/aas/st_201103
http://www.nxtbook.com/nxtbooks/aas/st_201102
http://www.nxtbook.com/nxtbooks/aas/st_201101
http://www.nxtbook.com/nxtbooks/aas/st_201012
http://www.nxtbook.com/nxtbooks/aas/st_201011
http://www.nxtbook.com/nxtbooks/aas/st_201010
http://www.nxtbook.com/nxtbooks/aas/st_201009
http://www.nxtbook.com/nxtbooks/aas/newtrack_st_201009
http://www.nxtbook.com/nxtbooks/aas/st_201008_v2
http://www.nxtbook.com/nxtbooks/aas/st_201008
http://www.nxtbook.com/nxtbooks/aas/st_201007
http://www.nxtbook.com/nxtbooks/aas/st_201006
http://www.nxtbook.com/nxtbooks/aas/st_201005_v2
http://www.nxtbook.com/nxtbooks/aas/st_201005
http://www.nxtbook.com/nxtbooks/aas/st_201004
http://www.nxtbook.com/nxtbooks/aas/st_201003v4
http://www.nxtbook.com/nxtbooks/aas/st_201003v3
http://www.nxtbook.com/nxtbooks/aas/st_201003v2
http://www.nxtbook.com/nxtbooks/aas/st_201003
http://www.nxtbook.com/nxtbooks/aas/st_201002
http://www.nxtbook.com/nxtbooks/aas/st_201001
http://www.nxtbookMEDIA.com