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🌌 Deep-Sky Objects — Messier & Caldwell

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Hemisphere
DifficultyⓘNaked eye from a dark sky — no equipment needed.ⓘBinoculars sufficient.ⓘSmall telescope (3-4 inch) under dark skies.ⓘ6 inch+ aperture and/or very dark sky essential.
Catalogⓘ110 objects (M1–M110), compiled by Charles Messier 1774–1781.ⓘ109 objects (C1–C109), compiled by Sir Patrick Moore 1995.
Type
Best Month

217 objects found.  Messier: 108  ·  Caldwell: 109   Click a number or name for details and finder chart.

M# ▲C# ▲▼ NGC / IC ▲▼ Name ▲▼ Type ▲▼Const. ▲▼Mag. ▲▼Best Month ▲▼Difficulty ▲▼ ⓘEasiest — naked eye, dark sky.
Easy — binoculars.
Moderate — 3–4 inch telescope.
Challenging — 6 inch+ or very dark sky.
1—1952Crab NebulaSupernova RemnantTau8.4JanuaryEasy
2—7089NGC 7089Globular ClusterAqr6.5SeptemberEasy
3—5272NGC 5272Globular ClusterCVn6.2MayEasy
4—6121NGC 6121Globular ClusterSco5.9JulyEasiest
5—5904NGC 5904Globular ClusterSer6.7JuneEasy
6—6405Butterfly ClusterOpen ClusterSco4.2JulyEasiest
7—6475Ptolemy's ClusterOpen ClusterSco3.3JulyEasiest
8—6523Lagoon NebulaEmission NebulaSgr6.0AugustEasiest
9—6333NGC 6333Globular ClusterOph7.9JulyModerate
10—6254NGC 6254Globular ClusterOph6.6JulyEasy
11—6705Wild Duck ClusterOpen ClusterSct5.8AugustEasiest
12—6218NGC 6218Globular ClusterOph6.7JulyEasy
14—6402NGC 6402Globular ClusterOph7.6JulyModerate
15—7078NGC 7078Globular ClusterPeg6.4SeptemberEasy
16—6611Eagle NebulaEmission NebulaSer6.4AugustEasy
17—6618Omega NebulaEmission NebulaSgr6.0AugustEasiest
18—6613NGC 6613Open ClusterSgr7.5AugustEasy
19—6273NGC 6273Globular ClusterOph6.8JulyEasy
20—6514Trifid NebulaEmission NebulaSgr6.3AugustEasy
21—6531NGC 6531Open ClusterSgr6.5AugustEasy
22—6656NGC 6656Globular ClusterSgr5.1AugustEasiest
23—6494NGC 6494Open ClusterSgr6.9AugustEasy
24——Sagittarius Star CloudOpen ClusterSgr4.6AugustEasiest
25—IC 4725IC 4725Open ClusterSgr4.6AugustEasiest
26—6694NGC 6694Open ClusterSct8.0AugustModerate
27—6853Dumbbell NebulaPlanetary NebulaVul7.5AugustEasy
28—6626NGC 6626Globular ClusterSgr6.8AugustEasy
29—6913NGC 6913Open ClusterCyg7.1AugustModerate
30—7099NGC 7099Globular ClusterCap7.5SeptemberModerate
31—224Andromeda GalaxyGalaxyAnd3.4NovemberEasiest
32—221NGC 221GalaxyAnd8.7NovemberEasy
33—598Triangulum GalaxyGalaxyTri5.7NovemberModerate
34—1039NGC 1039Open ClusterPer5.5DecemberEasiest
35—2168NGC 2168Open ClusterGem5.3FebruaryEasiest
36—1960NGC 1960Open ClusterAur6.3JanuaryEasy
37—2099NGC 2099Open ClusterAur6.2JanuaryEasy
38—1912NGC 1912Open ClusterAur7.4JanuaryEasy
39—7092NGC 7092Open ClusterCyg4.6SeptemberEasiest
40——Winnecke 4Open ClusterUMa8.4AprilModerate
41—2287NGC 2287Open ClusterCMa4.5FebruaryEasiest
42—1976Orion NebulaEmission NebulaOri4.0JanuaryEasiest
43—1982De Mairan's NebulaEmission NebulaOri9.0JanuaryEasy
44—2632Beehive ClusterOpen ClusterCnc3.7MarchEasiest
46—2437NGC 2437Open ClusterPup6.0FebruaryEasy
47—2422NGC 2422Open ClusterPup4.4FebruaryEasiest
48—2548NGC 2548Open ClusterHya5.5MarchEasiest
49—4472NGC 4472GalaxyVir8.4MayEasy
50—2323NGC 2323Open ClusterMon5.9FebruaryEasy
51—5194Whirlpool GalaxyGalaxyCVn8.4MayEasy
52—7654NGC 7654Open ClusterCas7.3OctoberEasy
53—5024NGC 5024Globular ClusterCom7.6MayModerate
54—6715NGC 6715Globular ClusterSgr7.7AugustModerate
55—6809NGC 6809Globular ClusterSgr7.0AugustEasy
56—6779NGC 6779Globular ClusterLyr8.3AugustModerate
57—6720Ring NebulaPlanetary NebulaLyr8.8AugustEasy
58—4579NGC 4579GalaxyVir9.7MayModerate
59—4621NGC 4621GalaxyVir9.6MayModerate
60—4649NGC 4649GalaxyVir8.8MayEasy
61—4303NGC 4303GalaxyVir9.7MayModerate
62—6266NGC 6266Globular ClusterOph6.5JulyEasy
63—5055Sunflower GalaxyGalaxyCVn8.6MayEasy
64—4826Black Eye GalaxyGalaxyCom8.5MayEasy
65—3623Leo TripletGalaxyLeo9.3AprilModerate
66—3627Leo TripletGalaxyLeo8.9AprilModerate
67—2682NGC 2682Open ClusterCnc6.1MarchEasy
68—4590NGC 4590Globular ClusterHya9.7AprilModerate
69—6637NGC 6637Globular ClusterSgr7.7AugustModerate
70—6681NGC 6681Globular ClusterSgr8.1AugustModerate
71—6838NGC 6838Globular ClusterSge8.3AugustModerate
72—6981NGC 6981Globular ClusterAqr9.3SeptemberChallenging
73—6994NGC 6994Open ClusterAqr9.0SeptemberChallenging
74—628Phantom GalaxyGalaxyPsc9.4NovemberChallenging
75—6864NGC 6864Globular ClusterSgr8.6SeptemberModerate
76—650Little Dumbbell NebulaPlanetary NebulaPer10.1DecemberChallenging
77—1068Cetus AGalaxyCet8.9DecemberModerate
78—2068NGC 2068Reflection NebulaOri8.3JanuaryModerate
79—1904NGC 1904Globular ClusterLep8.0JanuaryModerate
80—6093NGC 6093Globular ClusterSco7.3JulyModerate
81—3031Bode's GalaxyGalaxyUMa6.9AprilEasiest
82—3034Cigar GalaxyGalaxyUMa8.4AprilEasiest
83—5236Southern Pinwheel GalaxyGalaxyHya7.6MayEasy
84—4374NGC 4374GalaxyVir9.3MayModerate
85—4382NGC 4382GalaxyCom9.1MayModerate
86—4406NGC 4406GalaxyVir8.9MayModerate
87—4486Virgo AGalaxyVir8.6MayModerate
88—4501NGC 4501GalaxyCom9.6MayModerate
89—4552NGC 4552GalaxyVir9.8MayModerate
90—4569NGC 4569GalaxyVir9.5MayModerate
91—4548NGC 4548GalaxyCom10.2MayChallenging
92—6341NGC 6341Globular ClusterHer6.5JulyEasy
93—2447NGC 2447Open ClusterPup6.0FebruaryEasy
94—4736Cat's Eye GalaxyGalaxyCVn8.2MayEasy
95—3351NGC 3351GalaxyLeo9.7AprilModerate
96—3368NGC 3368GalaxyLeo9.2AprilModerate
97—3587Owl NebulaPlanetary NebulaUMa9.9AprilChallenging
98—4192NGC 4192GalaxyCom10.1MayModerate
99—4254NGC 4254GalaxyCom9.9MayModerate
100—4321NGC 4321GalaxyCom9.3MayModerate
101—5457Pinwheel GalaxyGalaxyUMa7.9MayModerate
102—5866Spindle GalaxyGalaxyDra9.9JuneModerate
103—581NGC 581Open ClusterCas7.4NovemberModerate
104—4594Sombrero GalaxyGalaxyVir8.0MayEasy
105—3379NGC 3379GalaxyLeo9.3AprilModerate
106—4258NGC 4258GalaxyCVn8.4AprilEasy
107—6171NGC 6171Globular ClusterOph7.9JulyModerate
108—3556NGC 3556GalaxyUMa10.0AprilModerate
109—3992NGC 3992GalaxyUMa9.8AprilModerate
110—205NGC 205GalaxyAnd8.9NovemberEasy
—10610447 TucanaeGlobular ClusterTuc4.0NovemberEasiest
—604038Antennae Galaxies (north)GalaxyCrv10.3AprilChallenging
—614039Antennae Galaxies (south)GalaxyCrv10.3AprilChallenging
—576822Barnard's GalaxyGalaxySgr8.7AugustChallenging
—447479Barred Spiral GalaxyGalaxyPeg11.0SeptemberChallenging
—156826Blinking PlanetaryPlanetary NebulaCyg8.8AugustEasy
—227662Blue Snowball NebulaPlanetary NebulaAnd8.3OctoberModerate
—240Bow-Tie NebulaPlanetary NebulaCep10.7OctoberChallenging
—117635Bubble NebulaEmission NebulaCas10.0OctoberChallenging
—696302Bug NebulaPlanetary NebulaSco9.6JulyModerate
—1188Caroline's ClusterOpen ClusterCep8.1OctoberModerate
—582360Caroline's Cluster (south)Open ClusterCMa7.2FebruaryEasy
—66543Cat's Eye NebulaPlanetary NebulaDra8.1JulyModerate
—9IC 342Cave NebulaEmission NebulaCep7.0SeptemberModerate
—775128Centaurus A (duplicate)GalaxyCen6.8MayEasiest
—99—CoalsackDark NebulaCru—MayEasiest
—19IC 5146Cocoon NebulaEmission NebulaCyg7.2AugustChallenging
—354889Coma ClusterGalaxy ClusterCom11.4AprilChallenging
—276888Crescent NebulaEmission NebulaCyg7.4AugustChallenging
—307331Deer Lick GalaxyGalaxyPeg9.5SeptemberModerate
—14869Double Cluster (h Persei)Open ClusterPer4.3NovemberEasiest
—336992Eastern Veil NebulaSupernova RemnantCyg7.0AugustEasy
—743132Eight-Burst NebulaPlanetary NebulaVel8.2MarchEasy
—392392Eskimo NebulaPlanetary NebulaGem9.1FebruaryModerate
—923372Eta Carinae NebulaEmission NebulaCar1.0MarchEasiest
—126946Fireworks GalaxyGalaxyCep8.8AugustModerate
—31IC 405Flaming Star NebulaEmission NebulaAur6.0JanuaryModerate
—593242Ghost of JupiterPlanetary NebulaHya7.7MarchEasy
—637293Helix NebulaPlanetary NebulaAqr7.3OctoberEasy
—5IC 342Hidden GalaxyGalaxyCam8.4NovemberModerate
—462261Hubble's Variable NebulaReflection NebulaMon9.0FebruaryModerate
—41—HyadesOpen ClusterTau0.5DecemberEasiest
—51IC 1613IC 1613GalaxyCet9.3OctoberChallenging
—252419Intergalactic WandererGlobular ClusterLyn10.4FebruaryChallenging
—47023Iris NebulaReflection NebulaCep6.8SeptemberModerate
—944755Jewel BoxOpen ClusterCru4.2MayEasiest
—100IC 2944Lambda Centauri ClusterOpen ClusterCen4.5MayEasiest
—437814Little Sombrero GalaxyGalaxyPeg10.5OctoberChallenging
—384565Needle GalaxyGalaxyCom9.6AprilModerate
—671097NGC 1097GalaxyFor9.2DecemberModerate
—871261NGC 1261Globular ClusterHor8.4DecemberModerate
—17147NGC 147GalaxyCas9.5OctoberModerate
—18185NGC 185GalaxyCas9.2OctoberModerate
—731851NGC 1851Globular ClusterCol7.3JanuaryEasy
—72403NGC 2403GalaxyCam8.4DecemberEasy
—62247NGC 247GalaxyCet8.9NovemberModerate
—712477NGC 2477Open ClusterPup5.8FebruaryEasiest
—542506NGC 2506Open ClusterMon7.6FebruaryModerate
—962516NGC 2516Open ClusterCar3.8FebruaryEasiest
—482775NGC 2775GalaxyCnc10.3FebruaryModerate
—902867NGC 2867Planetary NebulaCar9.7MarchChallenging
—70300NGC 300GalaxyScl8.7NovemberEasy
—1093195NGC 3195Planetary NebulaCha11.6MarchChallenging
—793201NGC 3201Globular ClusterVel6.7MarchEasy
—104362NGC 362Globular ClusterTuc6.4NovemberEasy
—403626NGC 3626GalaxyLeo10.9MarchChallenging
—34236NGC 4236GalaxyDra9.7AprilChallenging
—264244NGC 4244GalaxyCVn10.2AprilModerate
—1084372NGC 4372Globular ClusterMus7.8MayModerate
—214449NGC 4449GalaxyCVn9.4AprilModerate
—364559NGC 4559GalaxyCom9.8AprilModerate
—984609NGC 4609Open ClusterCru6.9MayModerate
—524697NGC 4697GalaxyVir9.3AprilModerate
—1054833NGC 4833Globular ClusterMus7.3MayEasy
—834945NGC 4945GalaxyCen8.7MayEasy
—295005NGC 5005GalaxyCVn9.8AprilModerate
—455248NGC 5248GalaxyBoo10.2MayModerate
—845286NGC 5286Globular ClusterCen7.6MayEasy
—7255NGC 55GalaxyScl7.9NovemberEasy
—8559NGC 559Open ClusterCas9.5NovemberModerate
—665694NGC 5694Globular ClusterHya10.2MayChallenging
—885823NGC 5823Open ClusterCir7.9JuneModerate
—956025NGC 6025Open ClusterTrA5.1JuneEasiest
—1076101NGC 6101Globular ClusterAps9.2JulyModerate
—756124NGC 6124Open ClusterSco5.8JuneEasiest
—826193NGC 6193Open ClusterAra5.2JuneEasiest
—766231NGC 6231Open ClusterSco2.6JuneEasiest
—816352NGC 6352Globular ClusterAra8.1JulyModerate
—866397NGC 6397Globular ClusterAra5.7JulyEasiest
—786541NGC 6541Globular ClusterCrA6.6JulyEasy
—10663NGC 663Open ClusterCas7.1OctoberEasy
—1016744NGC 6744GalaxyPav8.3AugustEasy
—936752NGC 6752Globular ClusterPav5.4AugustEasiest
—376885NGC 6885Open ClusterVul8.1AugustModerate
—476934NGC 6934Globular ClusterDel8.9AugustModerate
—427006NGC 7006Globular ClusterDel10.6AugustChallenging
—167243NGC 7243Open ClusterLac6.4SeptemberEasy
—28752NGC 752Open ClusterAnd5.7OctoberEasiest
—207000North America NebulaEmission NebulaCyg4.0AugustEasy
—805139Omega CentauriGlobular ClusterCen3.9MayEasiest
—13457Owl ClusterOpen ClusterCas6.4OctoberEasy
—973766Pearl ClusterOpen ClusterCen5.3MayEasiest
—241275Perseus AGalaxyPer11.6NovemberChallenging
—686729R Coronae Australis NebulaReflection NebulaCrA9.7AugustModerate
—502244Rosette ClusterOpen ClusterMon4.8FebruaryEasy
—492237Rosette NebulaEmission NebulaMon6.0FebruaryModerate
—896087S Normae ClusterOpen ClusterNor5.4JuneEasiest
—557009Saturn NebulaPlanetary NebulaAqr8.0SeptemberEasy
—65253Sculptor GalaxyGalaxyScl7.1NovemberEasy
—23891Silver Sliver GalaxyGalaxyAnd9.9OctoberModerate
—56246Skull NebulaPlanetary NebulaCet10.9NovemberChallenging
—85IC 2391Southern PleiadesOpen ClusterVel2.5MarchEasiest
—102IC 2602Southern PleiadesOpen ClusterCar1.9MarchEasiest
—533115Spindle GalaxyGalaxySex8.9MarchEasy
—1032070Tarantula NebulaEmission NebulaDor8.0JanuaryEasiest
—642362Tau Canis Majoris ClusterOpen ClusterCMa3.8FebruaryEasiest
—346960Western Veil NebulaSupernova RemnantCyg7.0AugustEasy
—324631Whale GalaxyGalaxyCVn9.3AprilEasy
—913532Wishing Well ClusterOpen ClusterCar3.0MarchEasiest