Messier Guide: Index by Number

Here is a list of Messier objects sorted by number together with my ratings. Objects observed with a narrowband filter have two entries, one for the object as it appears without a filter and one with an appended f (e.g. M97f) for the object as it appears through my Lumicon UHC filter.

Obj S178 S70 U178 U70 Type Con RA Dec Mag PBrt SBrt Size
M1 2B 3C 3C 4C SNR Tau 05:34.5 +22:01 8.4 —- 20.5 6×4
M2 2B 2B 2B 3C GCL Aqr 21:33.5 -00:49 6.5 16.6 20.7 13
M3 1B 2B 2B 3C GCL CVn 13:42.2 +28:23 6.2 16.8 20.8 16
M4 2A 3C 4B 4C GCL Sco 16:23.6 -26:32 5.6 18.0 21.3 26
M5 1A 2B 1A 2B GCL Ser 15:18.6 +02:05 5.7 16.6 20.5 17
M6 2B 2B 2B 2B OCL Sco 17:40.1 -32:13 4.0 —- 19.1 20
M7 2B 2B 2B 2B OCL Sco 17:53.9 -34:49 3.0 —- 21.1 80
M8 2B 3B 3C 4C C/N Sgr 18:03.8 -24:23 5.0 —- 21.6 50×30
M8f 2A 3B 2B 3C C/N Sgr 18:03.8 -24:23 —- —- 50×30
M9 3C 3C 3C 4C GCL Oph 17:19.2 -18:31 7.7 17.8 21.2 9.3
M10 2A 2B 3B 3C GCL Oph 16:57.1 -04:06 6.6 17.9 21.1 15
M11 1A 2B 1A 2B OCL Sct 18:51.1 -06:16 5.8 —- 20.2 14
M12 2A 2B 3B 3C GCL Oph 16:47.2 -01:57 6.7 18.5 21.2 15
M13 1A 2B 1A 2B GCL Her 16:41.7 +36:28 5.8 16.9 20.6 17
M14 2B 3C 3C 4C GCL Oph 17:37.6 -03:15 7.6 —- 21.6 12
M15 2A 2B 2A 2B GCL Peg 21:30.0 +12:10 6.2 16.3 20.2 12
M16 2B 2B 2C 2B C/N Ser 18:18.8 -13:47 6.0 —- 20.7 18×15
M16f 2A 2B 2B 3C C/N Ser 18:18.8 -13:47 —- —- 18×15
M17 2B 3B 2B 3B NEB Sgr 18:20.8 -16:11 6.0 —- 21.4 25×20
M17f 2A 2B 2A 2B NEB Sgr 18:20.8 -16:11 —- —- 25×20
M18 3C 3C 3C 3C OCL Sgr 18:19.9 -17:08 6.9 —- 20.3 9.0
M19 3C 3C 3C 4C GCL Oph 17:02.6 -26:16 6.8 17.3 21.2 14
M20 4C 4C 5D C/N Sgr 18:02.3 -23:02 6.3 —- 21.9 30×20
M20f 3C 3C 4C C/N Sgr 18:02.3 -23:02 —- —- 30×20
M21 3C 3C 3C 3C OCL Sgr 18:04.6 -22:30 5.9 —- 20.1 13
M22 1A 2B 1B 2B GCL Sgr 18:36.4 -23:54 5.1 17.4 20.6 24
M23 2B 2B 2B 2B OCL Sgr 17:56.8 -19:01 5.5 —- 21.3 27
M24 3B 3B 3B 3C OTH Sgr 18:16.9 -18:29 3.1 —- 20.5 95×35
M25 2B 2B 2B 3C OCL Sgr 18:31.6 -19:15 4.6 —- 20.5 29
M26 3C 3C 3C OCL Sct 18:45.2 -09:24 8.0 —- 21.1 8.0
M27 1B 2B 2B 3C PLN Vul 19:59.6 +22:43 7.3 18.4 20.1 8.0×5.7
M27f 1A 2B 2B 2B PLN Vul 19:59.6 +22:43 —- —- 8.0×5.7
M28 2B 2B 2B 3C GCL Sgr 18:24.5 -24:52 6.8 17.0 20.6 11
M29 2B 2B 2B 3C OCL Cyg 20:23.9 +38:32 7.0 —- 19.9 7.0
M30 2B 2C 2B 2C GCL Cap 21:40.4 -23:11 7.2 17.5 21.0 11
M31 1A 1B 2B 2C GAL And 00:42.7 +41:16 3.4 16.6 22.2 191×62
M32 2C 3C 2C 3C GAL And 00:42.7 +40:52 8.1 17.7 21.1 8.7×6.5
M33 3A 3B 4C 4C GAL Tri 01:33.9 +30:39 5.7 20.1 23.0 71×42
M34 2B 2B 2B 2B OCL Per 02:42.0 +42:47 5.2 —- 21.5 35
M35 1A 2B 1A 3B OCL Gem 06:08.9 +24:20 5.1 —- 21.0 28
M36 2B 2B 2B 2B OCL Aur 05:36.1 +34:08 6.0 —- 20.0 12
M37 1A 2B 2A 3B OCL Aur 05:52.4 +32:33 5.6 —- 21.1 24
M38 2B 2B 2B 3C OCL Aur 05:28.4 +35:50 6.4 —- 21.6 21
M39 2B 2B 2B 2B OCL Cyg 21:32.2 +48:26 4.6 —- 20.8 32
M40 2C 3C 2C 4C OTH UMa 12:22.3 +58:05 9.1 —- 17.5 0.9
M41 2B 2B 2B 2B OCL CMa 06:46.0 -20:46 4.5 —- 21.0 38
M42 1A 1A 1A 2A C/N Ori 05:35.4 -05:27 4.0 —- 20.5 40×35
M43 2B 2C 2C 3C C/N Ori 05:35.6 -05:16 9.0 —- 22.6 10
M44 2B 1A 2B 1A OCL Cnc 08:40.1 +19:59 3.1 —- 21.6 95
M45 1A 1A 1A 1A OCL Tau 03:47.0 +24:07 1.2 —- 19.8 100
M46 2A 2B 2A 3B OCL Pup 07:41.8 -14:49 6.1 —- 21.9 27
M47 2B 2B 2B 2B OCL Pup 07:36.6 -14:30 4.4 —- 20.4 30
M48 2B 2B 2B 2B OCL Hya 08:13.8 -05:48 5.8 —- 21.8 30
M49 2C 3C 3C 3C GAL Vir 12:29.8 +08:00 8.4 18.7 21.8 10×8.3
M50 2B 2B 2B 3B OCL Mon 07:02.8 -08:21 5.9 —- 20.5 16
M51 2A 3B 3B 4C GAL CVn 13:29.9 +47:12 8.4 19.3 21.7 11×6.9
M52 1A 2B 2B 3C OCL Cas 23:24.2 +61:35 6.9 —- 21.1 13
M53 2B 2B 2B 3C GCL Com 13:12.9 +18:10 7.6 17.9 21.8 13
M54 3B 3B 3B 3C GCL Sgr 18:55.1 -30:29 7.6 16.9 21.0 9.1
M55 3C 4C 4C 4C GCL Sgr 19:40.0 -30:58 6.3 19.0 21.3 19
M56 3C 3C 3C 4C GCL Lyr 19:16.6 +30:11 8.3 18.7 21.2 7.1
M57 1A 2B 2A 3B PLN Lyr 18:53.6 +33:02 8.8 17.8 17.8 1.4×1.0
M58 3C 3C 3C 5D GAL Vir 12:37.7 +11:49 9.7 19.4 21.9 5.9×4.7
M59 2C 3C 4C GAL Vir 12:42.0 +11:39 9.6 19.4 21.5 5.4×3.7
M60 2C 3C 3C 4C GAL Vir 12:43.7 +11:33 8.8 18.8 21.5 7.4×6.0
M61 3C 4C 5D GAL Vir 12:21.9 +04:28 9.7 19.9 22.3 6.5×5.8
M62 2C 3C 3C 3C GCL Oph 17:01.2 -30:07 6.5 16.6 20.9 14
M63 2B 3B 3B 4C GAL CVn 13:15.8 +42:02 8.6 19.3 22.2 13×7.2
M64 2B 2C 3C 4C GAL Com 12:56.7 +21:41 8.5 18.9 21.5 10×5.4
M65 2C 3D 3C 4D GAL Leo 11:18.9 +13:05 9.3 19.3 21.6 9.8×2.9
M66 2B 2C 2B 3C GAL Leo 11:20.2 +12:59 8.9 19.0 21.5 9.1×4.2
M67 1A 2B 2B 3C OCL Cnc 08:51.6 +11:49 6.9 —- 22.5 25
M68 3C 4C GCL Hya 12:39.5 -26:45 7.8 18.9 21.8 12
M69 3C 3C 3C 3C GCL Sgr 18:31.4 -32:21 7.6 17.5 20.5 7.1
M70 3B 3C 3B 4C GCL Sgr 18:43.2 -32:18 7.9 17.8 21.0 7.8
M71 3B 3C 3C 3C GCL Sge 19:53.8 +18:47 8.2 19.0 21.1 7.2
M72 3C 4C 3C 4C GCL Aqr 20:53.5 -12:32 9.3 19.3 21.8 5.9
M73 3C 4C 4C OTH Aqr 20:59.1 -12:38 9.6 —- 18.2 1.0
M74 4D 5D 5D GAL Psc 01:36.7 +15:47 9.4 20.5 23.1 11×9.6
M75 3C 3C 3C 3C GCL Sgr 20:06.1 -21:55 8.5 17.8 21.0 6.0
M76 2B 4C 3B PLN Per 01:42.4 +51:34 10.1 18.6 20.4 2.7×1.8
M77 2C 3C 3C 4D GAL Cet 02:42.7 -00:01 8.9 18.4 21.6 7.1×6.0
M78 3B 3B 3B 4C NEB Ori 05:46.7 +00:03 8.0 —- 20.8 8×6
M79 2B 3B 3C 3C GCL Lep 05:24.5 -24:33 7.7 17.7 21.0 8.7
M80 2B 3B 2B 3B GCL Sco 16:17.0 -22:59 7.3 17.0 20.7 8.9
M81 2B 2B 2B 3B GAL UMa 09:55.6 +69:04 6.9 17.8 22.0 27×14
M82 2A 2B 2A 3B GAL UMa 09:55.8 +69:41 8.4 18.8 21.2 11×4.3
M83 3C 5D 4C GAL Hya 13:37.0 -29:52 7.5 18.6 21.6 13×12
M84 2C 3C 3C 5D GAL Vir 12:25.1 +12:53 9.1 19.0 21.6 6.5×5.6
M85 2C 3C 3C 5D GAL Com 12:25.4 +18:11 9.1 19.1 21.7 7.1×5.5
M86 2C 3C 3C 5D GAL Vir 12:26.2 +12:57 8.9 19.2 21.8 8.9×5.8
M87 2C 3C 3C 4C GAL Vir 12:30.8 +12:24 8.6 18.9 21.6 8.3×6.6
M88 2B 3C 3C 5D GAL Com 12:32.0 +14:25 9.6 19.6 21.7 6.9×3.7
M89 3C 4C 3C 5D GAL Vir 12:35.7 +12:33 9.8 19.3 21.9 5.1×4.7
M90 3C 4C 4C GAL Vir 12:36.8 +13:10 9.5 19.8 22.2 9.6×4.4
M91 4C 5C 5D GAL Com 12:35.4 +14:30 10.2 20.2 22.2 5.4×4.3
M92 1A 2B 2B 3B GCL Her 17:17.1 +43:08 6.4 16.5 20.2 11
M93 2B 2B 2B 3B OCL Pup 07:44.6 -23:52 6.2 —- 21.5 22
M94 2C 3C 3C 3C GAL CVn 12:50.9 +41:07 8.2 17.7 21.8 11×9.1
M95 3C 4C 4C GAL Leo 10:44.0 +11:42 9.7 19.7 22.2 7.4×5.0
M96 2C 3C 3C 4D GAL Leo 10:46.8 +11:49 9.3 19.2 21.9 7.6×5.3
M97 3C 3C 5D PLN UMa 11:14.8 +55:01 9.9 21.1 21.1 3.3
M97f 2B 2C 3C 4C PLN UMa 11:14.8 +55:01 —- —- 3.3
M98 4C 4D GAL Com 12:13.8 +14:54 10.1 20.3 22.3 9.8×2.8
M99 3C 3C 4C GAL Com 12:18.8 +14:25 9.9 19.9 22.0 5.4×4.7
M100 3C 4C 5C GAL Com 12:22.9 +15:49 9.4 20.0 22.2 7.4×6.3
M101 3B 4B 5C GAL UMa 14:03.2 +54:21 7.9 20.3 23.8 29×27
M103 2B 3C 3B 3C OCL Cas 01:33.2 +60:42 7.4 —- 19.9 6.0
M104 2B 2C 2B 3C GAL Vir 12:40.0 -11:37 8.0 18.3 21.0 8.7×6.3
M105 3C 3C 3C 4D GAL Leo 10:47.8 +12:35 9.3 18.9 21.5 5.4×4.8
M106 2B 3C 3C 4C GAL CVn 12:19.0 +47:18 8.4 19.2 22.4 19×7.2
M107 3C 4C 4C GCL Oph 16:32.5 -13:03 7.9 19.2 21.5 10
M108 3C 4D 4D GAL UMa 11:11.5 +55:40 10.0 19.8 21.8 8.7×2.2
M109 3C 4D 4C GAL UMa 11:57.6 +53:23 9.8 20.4 22.3 7.6×4.7
M110 3C 3C 4C 5C GAL And 00:40.4 +41:41 8.1 19.8 22.7 22×11

For a key to this table, see
Key to the Tables.

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