Astronomy activies: Messier Marathon

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Messier Marathon: Sequence of Viewing

If you are participating in a Messier Marathon for your astronomy club or class, the following list shows the recommended sequence for viewing the Messier objects. This sequence is accurate for mid-Northern latitudes in the US.


Seq  M#  Type  Constellation  Mag  RA  Dec 
1 M77 Spiral Galaxy Cetus 10.5 2h 42.7m -9 2
2 M74 Spiral Galaxy Pisces 10.5 1h 36.6m 15 48
3 M33 Spiral Galaxy Triangulum 7 1h 33.9m 30 40
4 M31 Spiral Galaxy Andromeda 4.5 0h 42.8m 41 16
5 M32 Elliptical Galaxy Andromeda 10 0h 42.8m 40 52
6 M110 Elliptical Galaxy Andromeda 10 0h 40.4m 41 41
7 M52 Open Cluster Cassiopea 8 23h 24.2m 61 35
8 M103 Open Cluster Cassiopeia 7 1h 33.2m 60 42
9 M76 Planetary Nebula Perseus 12 1h 42.4m 51 34
10 M75 Globular Cluster Sagittarius 9.5 20h 6.1m -21 55
10 M72 Globular Cluster Aquarius 10 20h 53.5m -12 32
10 M15 Globular Cluster Pegasus 6.4 21h 30m 12 10
10 M70 Globular Cluster Sagittarius 9 18h 43.2m -32 18
10 M55 Globular Cluster Sagittarius 7 19h 40.0m -30 58
10 M22 Globular Cluster Sagittarius 6.5 18h 36.4m -29 54
10 M34 Open Cluster Perseus 6 2h 42.0m 42 47
10 M54 Globular Cluster Sagittarius 8.5 18h 55.1m -30 29
10 M73 Group/Asterism Aquarius 9 20h 59.0m -12 3
10 M69 Globular Cluster Sagittarius 9 18h 34.4m -32 21
10 M2 Globular Cluster Aquarius 6.5 21h 33.5m -0 49
11 M45 Open Cluster Taurus 1.4 3h 47.0m 24 07
11 M30 Globular Cluster Capricornus 8.5 21h 40.4m -23 11
12 M79 Globular Cluster Lepus 8.5 5h 24.5m -24 33
13 M42 Diffuse Nebula Orion 5 5h 35.3m -5 23
14 M43 Diffuse Nebula Orion 7 5h 35.5m -5 16
15 M78 Diffuse Nebula Orion 8 5h 46.8m 0 4
16 M1 Supernova remnant Taurus 8.4 5h 34.5m 22 01
17 M35 Open Cluster Gemini 5.5 6h 8.9m 24 20
18 M37 Open Cluster Auriga 6 5h 52.4m 32 33
19 M36 Open Cluster Auriga 6.5 5h 36.1 34 08
20 M38 Open Cluster Auriga 7 5h 28.7m 35 50
21 M41 Open Cluster Canis Major 5 6h 47.0m -20 44
22 M93 Open Cluster Puppis 6.5 7h 44.6m -23 52
23 M47 Open Cluster Puppis 4.5 7h 36.6m -14 30
24 M46 Open Cluster Puppis 6.5 7h 41.8m -14 49
25 M50 Open Cluster Monocerus 7 7h 3.2m -8 20
26 M48 Open Cluster Hydra 5.5 8h 13.8m -5 48
27 M44 Open Cluster Cancer 4 8h 40.1m 19 59
28 M95 Spiral Galaxy Leo 11 10h 43.9m 11 42
28 M67 Open Cluster Cancer 7.5 8h 50.4m 11 49
29 M96 Spiral Galaxy Leo 10.5 10h 46.7m 11 49
31 M105 Elliptical Galaxy Leo 11 10h 47.8m 12 35
32 M65 Spiral Galaxy Leo 10.5 11h 18.9m 13 6
33 M66 Spiral Galaxy Leo 10 11h 20.2m 13 0
34 M81 Spiral Galaxy Ursa Major 8.5 9h 55.6m 69 4
35 M82 Irregular Galaxy Ursa Major 9.5 9h 55.9m 69 41
36 M97 Planetary Nebula Ursa Major 12 11h 14.8m 55 1
37 M108 Spiral Galaxy Ursa Major 11 11h 11.6m 55 41
38 M109 Spiral Galaxy Ursa Major 11 11h 57.6m 53 23
39 M40 Double Star Ursa Major 9 12h 20.0m 58 22
40 M106 Spiral Galaxy Ursa Major 9.5 12h 18.9m 47 19
41 M94 Spiral Galaxy Canes Venatici 9.5 12h 50.9m 41 8
42 M63 Spiral Galaxy Canes Venatici 8.5 13h 15.8m 42 2
43 M51 Spiral Galaxy Ursa Major 8 13h 30.0m 47 11
44 M101 Spiral Galaxy Ursa Major 8.5 14h 3.3m 54 22
45 M102 Lenticular (S0) Galaxy Draco 10.5 15h 6.5m 55 45
46 M53 Globular Cluster Coma Berenices 8.5 13h 12.9m 18 10
47 M64 Spiral Galaxy Coma Berenices 9 12h 56.7m 21 41
48 M3 Globular Cluster Canes Venatici 6.4 13h 42.2m 28 23
49 M98 Spiral Galaxy Coma Berenices 11 12h 13.9m 14 55
50 M99 Spiral Galaxy Coma Berenices 10.5 12h 18.9m 14 26
51 M100 Spiral Galaxy Coma Berenices 10.5 12h 23.0m 15 50
52 M85 Lenticular (S0) Galaxy Coma Berenices 10.5 12h 25.5m 18 12
53 M84 Lenticular (S0) Galaxy Virgo 11 12h 25.1m 12 54
54 M86 Lenticular (S0) Galaxy Virgo 11 12h 26.3m 12 57
55 M87 Elliptical Galaxy Virgo 11 12h 30.9m 12 24
56 M89 Elliptical Galaxy Virgo 11.5 12h 35.7m 12 34
57 M90 Spiral Galaxy Virgo 11 12h 36.9m 13 10
58 M88 Spiral Galaxy Coma Berenices 11 12h 32.1m 14 26
59 M91 Spiral Galaxy Coma Berenices 11.5 12h 35.5m 14 30
60 M58 Spiral Galaxy Virgo 11 12h 37.8m 11 50
61 M59 Elliptical Galaxy Virgo 11.5 12h 42.1m 11 39
62 M60 Elliptical Galaxy Virgo 10.5 12h 43.7m 11 34
63 M49 Elliptical Galaxy Virgo 10 12h 29.8m 8 1
64 M61 Spiral Galaxy Virgo 10.5 12h 22.0m 4 29
65 M104 Spiral Galaxy Virgo 9.5 12h 39.9m -11 37
66 M68 Globular Cluster Hydra 9 12h 39.5m -26 45
67 M83 Spiral Galaxy Hydra 8.5 13h 37.1m -29 52
68 M5 Globular Cluster Serpens Caput 5.8 15h 18.6m 2 5
69 M13 Globular Cluster Hercules 5.9 16h 41.7m 36 28
70 M92 Globular Cluster Hercules 7.5 17h 17.1m 43 8
71 M57 Planetary Nebula Lyra 9.5 18h 53.6m 33 2
72 M56 Globular Cluster Lyra 9.5 19h 16.6m 30 11
73 M29 Open Cluster Cygnus 9 20h 23.9m 38 32
74 M39 Open Cluster Cygnus 5.5 21h 32.2m 48 26
75 M27 Planetary Nebula Vulpecula 7.5 19h 59.6m 22 43
76 M71 Globular Cluster Sagitta 8.5 19h 53.8m 18 47
77 M107 Globular Cluster Ophiucus 10 16h 32.5m -13 3
78 M12 Globular Cluster Ophiucus 6.6 16h 47.2m -1 57
79 M10 Globular Cluster Ophiucus 6.6 16h 57.1m -4 6
80 M14 Globular Cluster Ophiucus 7.6 17h 37.6m -3 15
81 M9 Globular Cluster Ophiucus 7.9 17h 19.2m -18 31
82 M4 Globular Cluster Scorpius 5.9 16h 23.6m -26 32
83 M80 Globular Cluster Scorpius 8.5 16h 17.0m -22 59
84 M19 Globular Cluster Ophiucus 8.5 17h 2.6m -26 16
85 M62 Globular Cluster Ophiucus 8 17h 1.2m -30 7
86 M6 Open Cluster Scorpius 4.2 17h 40.1m -32 13
87 M7 Open Cluster Scorpius 3.3 17h 53.9m -34 49
88 M11 Open Cluster Scutum 5.8 18h 51.1m -6 16
89 M26 Open Cluster Scutum 9.5 18h 45.2m -9 24
90 M16 Open Cluster Serpens Claudia 6.5 18h 18.8m -13 47
91 M17 Diffuse Nebula Sagittarius 7 18h 20.8m -16 11
92 M18 Open Cluster Sagittarius 8 18h 19.9m -17 8
93 M24 Star Cloud Sagittarius 11.5 18h 18.4m -18 25
94 M25 Open Cluster Sagittarius 4.9 18h 28.8m -19 17
95 M23 Open Cluster Sagittarius 6 17h 56.8m -19 1
96 M21 Open Cluster Sagittarius 7 18h 4.6m -22 30
97 M20 Trifid Nebula Sagittarius 5 18h 2.3m -23 2
98 M8 Lagoon Nebula Sagittarius 5 18h 3.1m -24 23
99 M28 Globular Cluster Sagittarius 8.5 18h 24.5m -24 52





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