Astronomy - USA (2022-01)

4 ASTRONOMY • JANUARY 2022

JANUARY 2022

VOL. 50, NO. 1

Astronomy (ISSN 0091-6358, USPS 531-350)

is published monthly by Kalmbach Media

Co., 21027 Crossroads Circle, P. O. Box 1612,

Waukesha, WI 53187–1612. Periodicals postage

paid at Waukesha, WI, and additional offices.

POSTMASTER: Send address changes to

Astronomy, PO Box 8520, Big Sandy, TX 75755.

Canada Publication Mail Agreement #40010760.

Go to http://www.Astronomy.com

for info on the biggest news and

observing events, stunning photos,

informative videos, and more.

ONLINE

FAVORITES

CONTENTS 59

1 Centaurus A

2 The Bug Nebula

3 The Southern Cross

4 Barnard’s E

5 The Cone Nebula

6 The Rosette Nebula

7 NGC 7331

8 The Pleiades

9 The Blinking Planetary

10 NGC 6781

11 The Coma galaxy cluster

12 3C 273

13 The Crescent Nebula

14 Leo I

15 NGC 4565

16 The Hercules galaxy cluster

17 NGC 1275

18 Barnard’s Galaxy

19 The Orion Nebula

20 NGC 6231

21 The Saturn Nebula

22 The Tarantula Nebula

23 M

24 NGC 3532

25 NGC 2516

26 Mizar and Alcor

27 Omega Centauri

28 The Horsehead Nebula

83 M

84 Seyfert’s Sextet

85 The Trifid Nebula

86 The Hyades

87 M

88 M

89 M

90 Crab Nebula

91 M

92 M

93 The Eagle Nebula

94 The Beehive Cluster

95 The Ring Nebula

96 M

97 M46 and NGC 2438

98 M

99 Veil Nebula

100 The Andromeda Galaxy

101 The Coma star cluster

IN EVERY ISSUE

From the Editor 5

Sky This Month 32

Four planets line up.

MARTIN RATCLIFFE AND

ALISTER LING

Star Dome and

Paths of the Planets 34

RICHARD TALCOTT;^

ILLUSTRATIONS BY ROEN KELLY

Advertiser Index 66

29 M

30 Maffei 1

31 M

32 The Omega Nebula

33 The Southern Pleiades

34 M

35 M

36 M

37 M

38 The Owl Nebula

39 North America Nebula

40 The Jewel Box

41 M

42 The Dumbbell Nebula

43 NGC 891

44 M

45 NGC 1365

46 California Nebula

47 NGC 2403

48 NGC 4319 and

Markarian 205

49 47 Tucanae

50 The Small Sagittarius

Star Cloud

51 The Little Dumbbell Nebula

52 Cygnus X-

53 The Bubble Nebula

54 The Double Cluster

55 The Owl Cluster

56 The Whirlpool Galaxy

57 M

58 M

59 Albireo

60 M

61 The Triangulum Galaxy

62 M

63 Small Magellanic Cloud

64 The Wild Duck Cluster

65 The Blackeye Galaxy

66 Alpha and Proxima Centauri

67 The Carina Nebula

68 Stephan’s Quintet

69 The Hercules Cluster

70 M

71 Flaming Star Nebula

72 M

73 Copeland’s Septet

74 IC 1396

75 M

76 M65 and M

77 The Coalsack Nebula

78 M

79 The Lagoon Nebula

80 Large Magellanic Cloud

81 NGC 253

82 M

6 COVER STORY // 101 cosmic objects you must see

ON THE COVER

The Orion Nebula, a favorite sky

object of many, is just one of our 101

spectacular delights. JOHN CHUMACK

My Science

Shop

Perfect gifts for

your favorite

science geeks.

Sky This

Week

A daily digest

of celestial

events.

Ask Astro

Archives

Answers to all

your cosmic

questions.

Trips and

Tours

Travel the world

with the staff of

Astronomy.