Sky & Telescope - March 2019 - 83

AD INDEX

AAVSO . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Ash Manufacturing Co. . . . . . . . . . . . . . . 80
Astro Haven Enterprises . . . . . . . . . . . . . 80
Astro-Physics, Inc. . . . . . . . . . . . . . . . . . 80
Bradford Exchange . . . . . . . . . . . . . . . . . 13
DiscMounts . . . . . . . . . . . . . . . . . . . . . . 79

Event Calendar
Here's the info
you'll need to
"save the date"
for some of the
top astronomical events in the
coming months.

Far Point Astronomical Research . . . . . . . 78
Finger Lakes Instrumentation, LLC. . . . . . 79
Hearing Help Express . . . . . . . . . . . . . . . 81

February 4-10

June 22-29

International Dark-Sky Association . . . . . . 80

WINTER STAR PARTY

GRAND CANYON STAR PARTY

iOptron. . . . . . . . . . . . . . . . . . . . . . . . . . 40

Scout Key, FL
scas.org/home/winterstarparty

Grand Canyon, AZ
https://is.gd/GCSP2019

Knightware . . . . . . . . . . . . . . . . . . . . . . . 80

March 31-April 7

June 26-30

Lunatico Astronomia . . . . . . . . . . . . . . . . 78

INTERNATIONAL DARK SKY WEEK

ROCKY MOUNTAIN STAR STARE

MallinCam . . . . . . . . . . . . . . . . . . . . . . . 57

Everywhere!
https://is.gd/darkskyweek2019

Gardner, CO
rmss.org

April 3-6

June 29-July 3

MIDSOUTH STARGAZE

GOLDEN STATE STAR PARTY

French Camp, MS
rainwaterobservatory.org/events

Adin, CA
goldenstatestarparty.org

Optic Wave Laboratories . . . . . . . . . . . . 80

April 4-7

July 26-August 4

SOUTHERN STAR

SUMMER STAR PARTY

PreciseParts . . . . . . . . . . . . . . . . . . . . . . 78

Little Switzerland, NC
https://is.gd/southernstar2019

Plainfield, MA
rocklandastronomy.com/ssp.html

April 6-7

July 30-August 3

NORTHEAST ASTRONOMY FORUM

TABLE MOUNTAIN STAR PARTY

Skyhound . . . . . . . . . . . . . . . . . . . . . . . . 80

Suffern, NY
rocklandastronomy.com/neaf.html

Oroville, WA
tmspa.com

SkyShed. . . . . . . . . . . . . . . . . . . . . . . . . 80

April 28-May 5

July 30-August 4

Sky-Watcher USA . . . . . . . . . . . . . . . . . . . 5

TEXAS STAR PARTY

OREGON STAR PARTY

Fort Davis, TX
texasstarparty.org

Indian Trail Spring, OR
oregonstarparty.org

Meade Instruments Corp. . . . . . . . . Cover 4
Metamorphosis. . . . . . . . . . . . . . . . . . . . 79
nimax GmbH. . . . . . . . . . . . . . . . . . . . . . . 3
Observa-Dome Laboratories . . . . . . . . . . 79

QHYCCD. . . . . . . . . . . . . . . . . . . . . . . . . 69
Revolution Imager . . . . . . . . . . . . . . . . . 79
Sky & Telescope . . . . . . . . . . . . . 40, 71, 75

Software Bisque . . . . . . . . . . . . . . . . . . . . 1
Stauer . . . . . . . . . . . . . . . . . . . . . . . . . . 77

May 11

August 1-4

Stellarvue . . . . . . . . . . . . . . . . . . . . Cover 3

ASTRONOMY DAY

STELLAFANE CONVENTION

Technical Innovations . . . . . . . . . . . . 78, 79

Events across the continent
https://is.gd/AstronomyDay

Springfield, VT
stellafane.org/convention

May 30-June 2

September 19-22

TravelQuest International . . . . . . . . . . . . . 71

CHERRY SPRINGS STAR PARTY

RTMC ASTRONOMY EXPO

Vernonscopes, LLC . . . . . . . . . . . . . . . . . 79

Coudersport, PA
astrohbg.org/CSSP

Big Bear City, CA
rtmcastronomyexpo.org

Willmann-Bell, Inc. . . . . . . . . . . . . . . . . . 78
Woodland Hills Telescopes . . . . . . . . . . . 69

* For a more complete listing, visit https://is.gd/star_parties.

sk yandtele scope.com * M A RCH 2 019

DA N ECK ERT / CC BY 2.0

Tele Vue Optics, Inc. . . . . . . . . . . . . Cover 2

83


http://www.scas.org/home/winterstarparty https://www.is.gd/GCSP2019 https://www.is.gd/darkskyweek2019 http://www.rmss.org http://www.rainwaterobservatory.org/events http://www.goldenstatestarparty.org https://www.is.gd/southernstar2019 http://www.rocklandastronomy.com/ssp.html http://www.rocklandastronomy.com/neaf.html http://www.tmspa.com http://www.texasstarparty.org http://www.oregonstarparty.org https://www.is.gd/AstronomyDay http://www.stellafane.org/convention https://www.astrohbg.org/ http://www.rtmcastronomyexpo.org https://www.is.gd/star_parties http://www.skyandtelescope.com

Sky & Telescope - March 2019

Table of Contents for the Digital Edition of Sky & Telescope - March 2019

Contents
Sky & Telescope - March 2019 - Cover1
Sky & Telescope - March 2019 - Cover2
Sky & Telescope - March 2019 - 1
Sky & Telescope - March 2019 - Contents
Sky & Telescope - March 2019 - 3
Sky & Telescope - March 2019 - 4
Sky & Telescope - March 2019 - 5
Sky & Telescope - March 2019 - 6
Sky & Telescope - March 2019 - 7
Sky & Telescope - March 2019 - 8
Sky & Telescope - March 2019 - 9
Sky & Telescope - March 2019 - 10
Sky & Telescope - March 2019 - 11
Sky & Telescope - March 2019 - 12
Sky & Telescope - March 2019 - 13
Sky & Telescope - March 2019 - 14
Sky & Telescope - March 2019 - 15
Sky & Telescope - March 2019 - 16
Sky & Telescope - March 2019 - 17
Sky & Telescope - March 2019 - 18
Sky & Telescope - March 2019 - 19
Sky & Telescope - March 2019 - 20
Sky & Telescope - March 2019 - 21
Sky & Telescope - March 2019 - 22
Sky & Telescope - March 2019 - 23
Sky & Telescope - March 2019 - 24
Sky & Telescope - March 2019 - 25
Sky & Telescope - March 2019 - 26
Sky & Telescope - March 2019 - 27
Sky & Telescope - March 2019 - 28
Sky & Telescope - March 2019 - 29
Sky & Telescope - March 2019 - 30
Sky & Telescope - March 2019 - 31
Sky & Telescope - March 2019 - 32
Sky & Telescope - March 2019 - 33
Sky & Telescope - March 2019 - 34
Sky & Telescope - March 2019 - 35
Sky & Telescope - March 2019 - 36
Sky & Telescope - March 2019 - 37
Sky & Telescope - March 2019 - 38
Sky & Telescope - March 2019 - 39
Sky & Telescope - March 2019 - 40
Sky & Telescope - March 2019 - 41
Sky & Telescope - March 2019 - 42
Sky & Telescope - March 2019 - 43
Sky & Telescope - March 2019 - 44
Sky & Telescope - March 2019 - 45
Sky & Telescope - March 2019 - 46
Sky & Telescope - March 2019 - 47
Sky & Telescope - March 2019 - 48
Sky & Telescope - March 2019 - 49
Sky & Telescope - March 2019 - 50
Sky & Telescope - March 2019 - 51
Sky & Telescope - March 2019 - 52
Sky & Telescope - March 2019 - 53
Sky & Telescope - March 2019 - 54
Sky & Telescope - March 2019 - 55
Sky & Telescope - March 2019 - 56
Sky & Telescope - March 2019 - 57
Sky & Telescope - March 2019 - 58
Sky & Telescope - March 2019 - 59
Sky & Telescope - March 2019 - 60
Sky & Telescope - March 2019 - 61
Sky & Telescope - March 2019 - 62
Sky & Telescope - March 2019 - 63
Sky & Telescope - March 2019 - 64
Sky & Telescope - March 2019 - 65
Sky & Telescope - March 2019 - 66
Sky & Telescope - March 2019 - 67
Sky & Telescope - March 2019 - 68
Sky & Telescope - March 2019 - 69
Sky & Telescope - March 2019 - 70
Sky & Telescope - March 2019 - 71
Sky & Telescope - March 2019 - 72
Sky & Telescope - March 2019 - 73
Sky & Telescope - March 2019 - 74
Sky & Telescope - March 2019 - 75
Sky & Telescope - March 2019 - 76
Sky & Telescope - March 2019 - 77
Sky & Telescope - March 2019 - 78
Sky & Telescope - March 2019 - 79
Sky & Telescope - March 2019 - 80
Sky & Telescope - March 2019 - 81
Sky & Telescope - March 2019 - 82
Sky & Telescope - March 2019 - 83
Sky & Telescope - March 2019 - 84
Sky & Telescope - March 2019 - Cover3
Sky & Telescope - March 2019 - Cover4
https://www.nxtbook.com/nxtbooks/aas/st_202501
https://www.nxtbook.com/nxtbooks/aas/st_202412
https://www.nxtbook.com/nxtbooks/aas/st_202411
https://www.nxtbook.com/nxtbooks/aas/st_202410
https://www.nxtbook.com/nxtbooks/aas/st_202409
https://www.nxtbook.com/nxtbooks/aas/st_202408
https://www.nxtbook.com/nxtbooks/aas/st_202407
https://www.nxtbook.com/nxtbooks/aas/st_202406
https://www.nxtbook.com/nxtbooks/aas/st_202405
https://www.nxtbook.com/nxtbooks/aas/st_202404_qr
https://www.nxtbook.com/nxtbooks/aas/st_202404
https://www.nxtbook.com/nxtbooks/aas/st_202403
https://www.nxtbook.com/nxtbooks/aas/st_202402
https://www.nxtbook.com/nxtbooks/aas/st_202401_aus
https://www.nxtbook.com/nxtbooks/aas/st_202401
https://www.nxtbook.com/nxtbooks/aas/st_202312_aus
https://www.nxtbook.com/nxtbooks/aas/st_202312
https://www.nxtbook.com/nxtbooks/aas/st_202311
https://www.nxtbook.com/nxtbooks/aas/st_202310
https://www.nxtbook.com/nxtbooks/aas/st_202309
https://www.nxtbook.com/nxtbooks/aas/st_202308
https://www.nxtbook.com/nxtbooks/aas/st_202307
https://www.nxtbook.com/nxtbooks/aas/st_202306
https://www.nxtbook.com/nxtbooks/aas/st_202305
https://www.nxtbook.com/nxtbooks/aas/st_202304
https://www.nxtbook.com/nxtbooks/aas/st_202304_qr
https://www.nxtbook.com/nxtbooks/aas/st_202303
https://www.nxtbook.com/nxtbooks/aas/st_202302
https://www.nxtbook.com/nxtbooks/aas/st_202301
https://www.nxtbook.com/nxtbooks/aas/st_202212
https://www.nxtbook.com/nxtbooks/aas/st_202211
https://www.nxtbook.com/nxtbooks/aas/st_202210
https://www.nxtbook.com/nxtbooks/aas/st_202209
https://www.nxtbook.com/nxtbooks/aas/st_202208
https://www.nxtbook.com/nxtbooks/aas/st_202207
https://www.nxtbook.com/nxtbooks/aas/st_202206
https://www.nxtbook.com/nxtbooks/aas/st_202205
https://www.nxtbook.com/nxtbooks/aas/st_202204
https://www.nxtbook.com/nxtbooks/aas/st_202203
https://www.nxtbook.com/nxtbooks/aas/st_202202
https://www.nxtbook.com/nxtbooks/aas/st_202201
https://www.nxtbook.com/nxtbooks/aas/st_202112
https://www.nxtbook.com/nxtbooks/aas/st_202111
https://www.nxtbook.com/nxtbooks/aas/st_202110
https://www.nxtbook.com/nxtbooks/aas/st_202109
https://www.nxtbook.com/nxtbooks/aas/st_202108
https://www.nxtbook.com/nxtbooks/aas/st_202107
https://www.nxtbook.com/nxtbooks/aas/st_202106
https://www.nxtbook.com/nxtbooks/aas/st_202105
https://www.nxtbook.com/nxtbooks/aas/st_202104
https://www.nxtbook.com/nxtbooks/aas/st_202103
https://www.nxtbook.com/nxtbooks/aas/st_202102
https://www.nxtbook.com/nxtbooks/aas/st_202101
https://www.nxtbook.com/nxtbooks/aas/skywatch_2021
https://www.nxtbook.com/nxtbooks/aas/st_202012
https://www.nxtbook.com/nxtbooks/aas/st_202011
https://www.nxtbook.com/nxtbooks/aas/st_202010
https://www.nxtbook.com/nxtbooks/aas/st_202009
https://www.nxtbook.com/nxtbooks/aas/st_202008
https://www.nxtbook.com/nxtbooks/aas/st_202007
https://www.nxtbook.com/nxtbooks/aas/st_202006
https://www.nxtbook.com/nxtbooks/aas/st_202005
https://www.nxtbook.com/nxtbooks/aas/st_202004
https://www.nxtbook.com/nxtbooks/aas/st_202003
https://www.nxtbook.com/nxtbooks/aas/st_202002
https://www.nxtbook.com/nxtbooks/aas/st_202001
https://www.nxtbook.com/nxtbooks/aas/st_201912
https://www.nxtbook.com/nxtbooks/aas/st_201911
https://www.nxtbook.com/nxtbooks/aas/st_201910
https://www.nxtbook.com/nxtbooks/aas/st_201909
https://www.nxtbook.com/nxtbooks/aas/st_201908
https://www.nxtbook.com/nxtbooks/aas/st_201907
https://www.nxtbook.com/nxtbooks/aas/st_201906
https://www.nxtbook.com/nxtbooks/aas/st_201905
https://www.nxtbook.com/nxtbooks/aas/st_201904
https://www.nxtbook.com/nxtbooks/aas/st_201903
https://www.nxtbook.com/nxtbooks/aas/st_201902
https://www.nxtbook.com/nxtbooks/aas/st_201901
https://www.nxtbook.com/nxtbooks/aas/st_201812
https://www.nxtbook.com/nxtbooks/aas/st_201811
https://www.nxtbook.com/nxtbooks/aas/st_201810
https://www.nxtbook.com/nxtbooks/aas/st_201809
https://www.nxtbook.com/nxtbooks/aas/st_201808
https://www.nxtbook.com/nxtbooks/aas/st_201807
https://www.nxtbook.com/nxtbooks/aas/st_201806
https://www.nxtbook.com/nxtbooks/aas/st_201805
https://www.nxtbook.com/nxtbooks/aas/st_201804
https://www.nxtbook.com/nxtbooks/aas/st_201803
https://www.nxtbook.com/nxtbooks/aas/st_201802
https://www.nxtbook.com/nxtbooks/aas/st_201801
https://www.nxtbook.com/nxtbooks/aas/st_201712
https://www.nxtbook.com/nxtbooks/aas/st_201711
https://www.nxtbook.com/nxtbooks/aas/st_201710
https://www.nxtbook.com/nxtbooks/aas/st_201709
https://www.nxtbook.com/nxtbooks/aas/st_201708
https://www.nxtbook.com/nxtbooks/aas/st_201707
https://www.nxtbook.com/nxtbooks/aas/st_201706
https://www.nxtbook.com/nxtbooks/aas/st_201705
https://www.nxtbook.com/nxtbooks/aas/st_201704
https://www.nxtbook.com/nxtbooks/aas/st_201703
https://www.nxtbook.com/nxtbooks/aas/st_201702
https://www.nxtbook.com/nxtbooks/aas/st_201701
https://www.nxtbook.com/nxtbooks/aas/st_201612
https://www.nxtbook.com/nxtbooks/aas/st_201611
https://www.nxtbook.com/nxtbooks/aas/st_201610
https://www.nxtbook.com/nxtbooks/aas/st_201609
https://www.nxtbook.com/nxtbooks/aas/st_201608
https://www.nxtbook.com/nxtbooks/aas/st_201607
https://www.nxtbook.com/nxtbooks/aas/st_201606
https://www.nxtbook.com/nxtbooks/aas/st_201605
https://www.nxtbook.com/nxtbooks/aas/st_201604
https://www.nxtbook.com/nxtbooks/aas/st_201603
https://www.nxtbook.com/nxtbooks/aas/st_201602
https://www.nxtbook.com/nxtbooks/aas/st_201601
https://www.nxtbook.com/nxtbooks/aas/st_201512
https://www.nxtbook.com/nxtbooks/aas/st_201511
https://www.nxtbook.com/nxtbooks/aas/st_201510
https://www.nxtbook.com/nxtbooks/aas/st_201509
https://www.nxtbook.com/nxtbooks/aas/st_201508
https://www.nxtbook.com/nxtbooks/aas/st_201507
https://www.nxtbook.com/nxtbooks/aas/st_201506
https://www.nxtbook.com/nxtbooks/aas/st_201505
https://www.nxtbook.com/nxtbooks/aas/st_201504
https://www.nxtbook.com/nxtbooks/aas/st_201503
https://www.nxtbook.com/nxtbooks/aas/st_201502
https://www.nxtbook.com/nxtbooks/aas/st_201501
https://www.nxtbook.com/nxtbooks/aas/st_201412
https://www.nxtbook.com/nxtbooks/aas/st_201411
https://www.nxtbook.com/nxtbooks/aas/st_201410
https://www.nxtbook.com/nxtbooks/aas/st_201409
https://www.nxtbook.com/nxtbooks/aas/st_201408
https://www.nxtbook.com/nxtbooks/aas/st_201407
https://www.nxtbook.com/nxtbooks/aas/st_201406
https://www.nxtbook.com/nxtbooks/aas/st_mars
https://www.nxtbook.com/nxtbooks/aas/st_201405
https://www.nxtbook.com/nxtbooks/aas/st_201404
https://www.nxtbook.com/nxtbooks/aas/st_201403
https://www.nxtbook.com/nxtbooks/aas/st_201402
https://www.nxtbook.com/nxtbooks/aas/st_201401
https://www.nxtbook.com/nxtbooks/aas/st_201312
https://www.nxtbook.com/nxtbooks/aas/st_201311
https://www.nxtbook.com/nxtbooks/aas/st_201310
https://www.nxtbook.com/nxtbooks/aas/st_201309
https://www.nxtbook.com/nxtbooks/aas/st_201308
https://www.nxtbook.com/nxtbooks/aas/st_201307
https://www.nxtbook.com/nxtbooks/aas/st_201306
https://www.nxtbook.com/nxtbooks/aas/st_201305
https://www.nxtbook.com/nxtbooks/aas/st_201304
https://www.nxtbook.com/nxtbooks/aas/st_201303
https://www.nxtbook.com/nxtbooks/aas/st_201302
https://www.nxtbook.com/nxtbooks/aas/st_201301
https://www.nxtbook.com/nxtbooks/aas/st_201212
https://www.nxtbook.com/nxtbooks/aas/st_201211
https://www.nxtbook.com/nxtbooks/aas/st_201210
https://www.nxtbook.com/nxtbooks/aas/st_201209
https://www.nxtbook.com/nxtbooks/aas/st_201208
https://www.nxtbook.com/nxtbooks/aas/st_201207
https://www.nxtbook.com/nxtbooks/aas/st_201206
https://www.nxtbook.com/nxtbooks/aas/st_201205
https://www.nxtbook.com/nxtbooks/aas/st_201204
https://www.nxtbook.com/nxtbooks/aas/st_201203
https://www.nxtbook.com/nxtbooks/aas/st_201202
https://www.nxtbook.com/nxtbooks/aas/st_201201
https://www.nxtbook.com/nxtbooks/aas/st_201112
https://www.nxtbook.com/nxtbooks/aas/st_201111
https://www.nxtbook.com/nxtbooks/aas/st_201110
https://www.nxtbook.com/nxtbooks/aas/st_201109
https://www.nxtbook.com/nxtbooks/aas/st_201108
https://www.nxtbook.com/nxtbooks/aas/st_201107
https://www.nxtbook.com/nxtbooks/aas/st_201106
https://www.nxtbook.com/nxtbooks/aas/st_201105
https://www.nxtbook.com/nxtbooks/aas/st_201104
https://www.nxtbook.com/nxtbooks/aas/st_201103
https://www.nxtbook.com/nxtbooks/aas/st_201102
https://www.nxtbook.com/nxtbooks/aas/st_201101
https://www.nxtbook.com/nxtbooks/aas/st_201012
https://www.nxtbook.com/nxtbooks/aas/st_201011
https://www.nxtbook.com/nxtbooks/aas/st_201010
https://www.nxtbook.com/nxtbooks/aas/st_201009
https://www.nxtbook.com/nxtbooks/aas/st_201008
https://www.nxtbook.com/nxtbooks/aas/st_201007
https://www.nxtbook.com/nxtbooks/aas/st_201006
https://www.nxtbook.com/nxtbooks/aas/st_201005
https://www.nxtbook.com/nxtbooks/aas/st_201004
https://www.nxtbook.com/nxtbooks/aas/st_201003
https://www.nxtbook.com/nxtbooks/aas/st_201002
https://www.nxtbook.com/nxtbooks/aas/st_201001
https://www.nxtbookmedia.com