M1 thru M100
M1 - NGC1952-SNR-Tau (Mag: +8.4) – Crab Nebula; supernove of A.D. 1052, elongated shape.
M2 - NGC7089-GC-Aqr (Mag: +6.5) – high concentration of stars; very bright, very large, very well resolved; very beautiful large & round.
M3 - NGC5272-GC-CVn (Mag: +6.4) – medium concentration of stars, bright & very large.
M4 - NGC6121-GC-Sco (Mag: +5.9) – low concentration of stars; very well resolved by binocular.
M5 -Â NGC5904-GC-Ser (Mag: +5.8) – low concentration of stars; bright, large, round & extremely rich, slightly oval shaped.
M6 - NGC6405-OC-Sco (Mag: +4.2) – The Butterfly Cluster; 80 stars, detached, no concentration of stars.
M7 - NGC6475-OC-Sco (Mag: +3.3) – The Ptolemy Cluster; 80 stars; detached, weak concentration of stars, very large.
M8 -Â NGC6523-BN+OC-Sgr (Mag: +5.8)Â – known as Lagoon Nebula, very large, very bright nebula; contains open cluster NGC6530. most remarkable object (diagram).
M9 -Â NGC6333-GC-Oph (Mag: +7.9) – medium concentration of stars; bright, round & large.
M10 - NGC6254-GC-Oph (Mag: +8.0) – medium concentration of stars; very large, round, bright & very well resolved.
M11 - NGC6705-OC-Sct (Mag: +5.8) – The Wild Duck Cluster; around 200 stars, detached, strong concentration. resembles a flight of wild ducks in shape.
M12 - NGC6218-GC-Oph (Mag: +6.6) – low concentration of stars; very bright & very large.
M13 - NGC6205-GC-Her (Mag: +5.9) – The Hercules Cluster; extremely bright, very large, round & very rich.
M14 - NGC6402-GC-Oph (Mag: +7.6) – bright, very large, round & extremely rich. remarkable object!
M15 - NGC7078-GC-Oph (Mag: +7.6) – high concentration of stars; very bright, very large & very well resolved.
M16 - NGC6611-BN+OC-Ser (Mag: +6.0) – The Eagle Nebula; large, bright nebula containing open cluster. Known as Star Queen Nebula.
M17 - NGC6618-BN+OC-Sgr (Mag: +7.0) – The Swan Nebula; (also known as the Omega Nebula, Checkmark Nebula and the Horseshoe nebula / Sharpless 45) large & bright with bright open cluster of around 40 stars. (requested OIII filter to be seen.)
M18 - NGC6613-OC-Sgr (Mag: +7.2) – 20 stars; detached, weak concentration of stars.
M19 - NGC6273-GC-Oph (Mag: +7.2) – medium concentration of stars; very bright, large & round.
M20 - NGC6515-BN+C-Sgr (Mag: +6.3) -Trifid Nebula;  very bright, very large nebula trisected by prominent dark lanes; contains a very bright  & very large open cluster of 60 stars.
M21 - NGC6531-OC-Sgr (Mag: +5.9) – 70 stars; detached, strong concentration of stars. Located NE of M20.
M22 - NGC6656-GC-Sgr (Mag: +5.1) – medium concentration of stars; very bright, very large, rich & round.
M23 - NGC6494-OC-Sco (Mag: +5.5) – 150 stars; detached, no concentration of stars.
M24 – IC4715-(n/a)-Sgr (Mag: n/a) – Milky-Way clouds in Sagittarius.
M25 – IC4725-OC-Sgr (Mag: +4.6) – 30 stars; detached, strong concentration of stars, moderate range in brightness.
M26 - NGC6694-OC-Sct (Mag: +8.0) – 30 stars; detached, strong concentration of stars.
M27 - NGC6853-PN-Vul (Mag: 7.3) – Dumbbell Nebula, also known as Hourglass Nebula; very bright & very large, finest planetary nebula! (photo: close-up.)
M28 - NGC6626-GC-Sgr (Mag: +6.8) – high concentration of stars; very bright, large & very well resolved.
M29 - NGC6913-OC-Cyg (Mag: +6.6) – Cooling Tower; 50 stars, detached, no concentration of stars, large range in brightness, best viewed at low power.
M30 - NGC7099-GC-Cap (Mag: +7.5) – medium concentration of stars; bright, large & slightly elongated.
M31 - NGC224-Gx-And (Mag: 3.4) – Andromeda Galaxy; Remarkable objects & readily visible to the naked-eye!
M32 - NGC221-Gx-And (Mag: +8.2) – a satellite of galaxy (M31). (easy to mistake for a bright star.
M33 -Â NGC598-Gx-Tri (Mag: +5.7) – Triangulum Galaxy or Pinwheel Galaxy; very large, very faint, visible to the naked-eye in exceptionally dark skies.
M34 - NGC1039-OC-Per (Mag: +5.2) – Spiral Cluster; 60 stars; detached, weak concentration.
M35 - NGC2168-OC-Gem (Mag: +5.1) – 200 stars, very large with an opera glass.
M36 - NGC1960-OC-Aur (Mag: +6.0) – bright, very large, 150 stars but weal concentration of stars.
M37 - NGC2099-OC-Aur (Mag: +5.6) – 150 stars; weak concentration of stars, small range brightness.
M38 - NGC1912-OC-Aur (Mag: +6.4) – Starfish Cluster; 100 stars; very large and bright.
M39 - NGC7092-OC-Cyg (Mag: +4.6) – 30 stars; detached, no concentration of stars.
M40 – Winnecke 4 (Mag: +9.1) – two stars very near each other & very small.
M41 - NGC2287-OC-CMa (Mag: +4.5) – 80 stars; detached but weak concentration.
M42 - NGC1976-BN-Ori (Mag: +4.0) – Great Nebula; extremely bright and extremely large, irregular mass of greenish haze.
M43 - NGC1982-BN-Ori (Mag: +9.0) – very bright and large nebula, north of Messier 42 (de Mairan’s Nebula).
M44 - NGC2632-OC-Cnc (Mag: +3.1) – Praesepe; also known as Beehive Cluster or The Manger, weak concentration of stars.
M45 -Â NGC1432-BN+OC-Tau (Mag: +1.2) – Pleiades or The Seven Sisters; contains at least 100 stars, surrounded by the extremely large & faint Merope Nebula (IC349).
M46 - NGC2437-OC-Pup (Mag: + 6.1) – 100 stars; detached, no concentration of stars, bright and large.
M47 - NGC2422-OC-Pup (Mag: +4.4) – 30 stars; detached, no concentration of stars. Visible to naked-eye.
M48 - NGC2548-OC-Hya (Mag: +5.8) – 70 stars detached, strong concentration of stars.
M49 - NGC4472-Gx-Vir (Mag: +8.4) – very bright, large & round with NGC4467.
M50 - NGC2323-OC-Mon (Mag: +5.9) – Heart-Shaped Cluster; 80 stars; detached, weak concentration of stars. red stars’s there toward the south.
M51 - NGC5194-Gx-CVn (Mag: +8.1) – two clouds that touch; known as Whirlpool Galaxy.
M52 - NGC7654-OC-Cas (Mag: +7.7) – Detached, strong concentration of stars. rich sparking group.
M53 -Â NGC5024-GC-Com (Mag: +7.7) – medium concentration of stars; a large bright cluster.
M54 - NGC6715-GC-Sgr (Mag: +7.7) – high concentration of stars; very bright, large & round.
M55 - NGC6809-GC-Sgr (Mag: +7.0) – low concentration of stars; pretty bright, large round & very rich.
M56 - NGC6779-GC-Lyr (Mag: +8.2) – low concentration of stars, large & very well resolved at high power.
M57 -Â NGC6720-PN-Lyr (Mag: +8.8) – The Ring nebula; known also as Smoke Ring or Donut Nebula; bright, pretty large, irregular ring structure, very impressive & stunning object!
M58 - NGC4579-Gx-Vir (Mag: +9.8) – bright, pretty large, irregularly round.
M59 - NGC4621-Gx-Vir (Mag: +8.8) – bright, pretty large & round. (Virgo Galaxy Cluster.)
M60 - NGC4649-Gx-Vir (Mag:8.8) – very bright, pretty large & round. (Virgo Galaxy Cluster.)
M61 - NGC4303-Vir-Gx (Mag: +9.7) – very bright, very large, face-on spiral.
M62 - NGC6266-GC-Oph (Mag: +6.6) – high concentration of stars; large, very bright & very well resolved.
M63 - NGC5055-Gx-CVn (Mag: 8.6) – very bright & large; very small, bright nucleus; known as Sunflower Galaxy.
M64 -Â NGC4826-Gx-Com (Mag: +8.5) – The Black Eye; very bright, very large and very elongated; extremely bright nucleus & dark lane. (Photo: close-up.)
M65 - NGC3623-Gx-Leo (Mag: +9.3) – bright, large & elongated; very bright nucleus. member of Leo’s Triplet (photo) along with M66 & NGC 3628.
M66 - NGC3627-Gx-Leo (Mag: +9.0) – bright, very large & very elongated; small, very bright nucleus, a member of Leo’s Triplet (photo) along with M65 & NGC3628).
M67 - NGC2682-OC-Cnc (Mag: +6.9) – 200 stars; detached, weak concentration of stars; very bright, very large.
(M68 – not seen yet!)
M69 - NGC6637–GC-Sgr (Mag: +7.7) – medium concentration of stars; bright, large, round & very well resolved.
M70 - NGC6681-GC-Sgr (Mag: +7.7) – medium concentration of stars; bright, large & round.
M71 - NGC6838-GC-Sgr (Mag: +8.1) – large & very rich, visually an oval with brighter side forming a curving V.
M72 - NGC6981-GC-Aqr (Mag: +9.4) – low concentration of stars, pretty bright, pretty large, round & very well resolved in large telescopes.
M73 - NGC6994-(n/a)-Aqr (Mag: +9.2) – cluster of three or four little stars; looks like a nebula at first glance by Messier.
M74 - NGC628-Gx-Psc (Mag: +9.2) – very small; face-on spiral with two major arms.
M75 - NGC6864-GC-Sgr (Mag: +9.2) – high concentration of stars, bright, round, pretty large; partially resolved.
M76 - NGC650-PN-Per (Mag: 10.1) – Little Dumbell; one of the faintest – PN Messier objects; “Butterfly” shape.
M77 - NGC1068-Gx-Cet (Mag: +8.8) – Cetus A;  irregularly round; very bright nucleus.
M78 - NGC2068-BN-Ori (Mag: 8.0) – wispy nebula; resembles a comet with a split nucleus.
(M79 – not seen yet!)
M80 - NGC6093-GC-Sco (Mag: +7.2) – high concentration of stars; large, very bright, well resolved, extremely rich.
M81 - NGC3031-Gx-UMa (Mag: +6.4) – one of Bode’s Nebulae, along with galaxy M82.
M82 - NGC3034-Gx-UMa (Mag: +8.4) – Cigar Galaxy; one of Bode’s Nebulae, along with galaxy, M81.
M83 - NGC5236-Gx-Hya (Mag: +7.6) – Southern Pinwheel Galaxy; very bright, large & face-on; two main arms.
M84 - NGC4374-Gx-Vir (Mag: +9.3) – Markarian’s Chain; very bright, round & pretty large, paired with NGC4387.
M85 - NGC4382-Gx-Com (Mag: +9.2) – very bright, round & pretty large, extremely bright, diffuse nucleus. (Paired with galaxy NGC 4394.)
M86 - NGC4406-Gx-Vir (Mag: +9.2) – large, very bright & round; paired with galaxy NGC4402.
M87 - NGC4486-Gx-Vir (Mag: +8.6) – very bright, very large & round. Visible in 20-inch is a faint ray (optical jet).
M88 - NGC4501-Gx-Vir (Mag: +9.5) – bright, very large & quite elongated.
M89 - NGC4552-Gx-Vir (Mag: +9.8) – pretty bright, pretty small & round.
M90 - NGC4569-Gx-Vir (Mag: +9.5) – pretty large & elongated; extremly bright, very small nucleus.
M91 - NGC4548-Gx-Com (Mag: +10.2)  bright, large & slightly elongated with a central bar dimly visible in large telescope.
M92 - NGC6341-GC-Her (Mag: +6.5) – high concentration of stars; large & very bright.
M93 - NGC2447-OC-Pup (Mag: +6.2) – 80 stars; not well detached from surrounding star field.
M94 - NGC4736-Gx-CVn (Mag: +8.1) – large, very bright, irregularly round; extremely bright nucleus; no spiral arms.
M95 - NGC3351-Gx-Leo (Mag: +9.7) – Large, bright & round, extremely nucleus; internal ring with bar.
M96 - NGC3368-Gx-Leo (Mag: + 9.2) – slightly elongated but very bright & very large; dark lanes visible.
M97 - NGC3587-PN-UMa (Mag: 9.9) – Owl Nebula; very bright, very large & round; resembles the face of an owl with two dark “eyes”.
M98 - NGC4192-Gx-Com (Mag: +9.8) – bright, large & round; elongated/face-on similar in appearance to M33 but much smaller.
M99 - NGC4254-Gx-Com (Mag: +9.8) – Pin-wheel Nebula; bright, large & round; face-on, small & very bright nucleus. similar in appearance of M33.
M100 - NGC4321-Gx-Com (Mag: +9.8) – Blowdryer Galaxy; pretty faint, very large & round; face-on, brightest spiral in Virgo Galaxy Cluster, paired with NGC4312.
M101 - NGC5457-Gx-UMa (Mag: +7.7) – Pinwheel Galaxy; pretty bright & very large; face-on faint spiral arms.
M102 – same object as M101; according to discover by Pierre Me’chain, the confusion was due to error in his star chart.
M103 - NGC581-OC-Cas (Mag: +7.4) – no concentration of stars; arrowhead small group of stars.
M104 - NGC4594-Gx-Vir (Mag: +8.3) – Sombrero Galaxy; very bright, very large & elongated; with a prominent dark lane and large nucleus bulge.
M105 - NGC3379-Gx-Leo (Mag: +9.3) – Very bright, large & round. Leo galaxy group paired with NGC 3384).
M106 -Â NGC4258-Gx-CVn (Mag: +8.3) – very bright, very large & very elongated; small, bright nucleus in bright bulge.
M107 - NGC6171-Gx-Oph (Mag: +8.1) – low concentration of stars; very large, very rich, well resolved.
M108 - NGC3356-Gx-UMa (Mag: +10.0) – Surboard Galaxy; bright, very large & very elongated; nearly edge on.
M109 - NGC3992-Gx-UMa (Mag: +9.8) – Vacuum Cleaner Galaxy; quite bright, large & elongated; spiral arms, diffuse with bright nucleus.
M110 - NGC205-Gx-And (Mag: +8.0) – somewhat elongated (Messier 110 / M110).