Until very recently, the heavenly bodies have been investigated only with reference to their position and their laws of motion, and a quarter of a century ago astronomy was little more than celestial topography.

/ George Phillips Bond /

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By type:

open clusters [67]

globular clusters [14]

diffuse nebulae [3]

dark nebulae [0]

planetary nebulae [27]

variable stars [18]

binary stars [23]

asterisms [2]

galaxies [119]

quasars [1]

planets [2]

minor planets [1]

comets [5]

Sun [0]

Moon [5]

other objects [8]

By catalogue:

Messier 1-50 [20]

Messier 51-110 [18]

NGC 1-1000 [17]

NGC 1001-2000 [21]

NGC 2001-3000 [32]

NGC 3001-4000 [25]

NGC 4001-5000 [18]

NGC 5001-6000 [22]

NGC 6001-7000 [40]

NGC 7001-7840 [35]

IC 1-5386 [1]

other catalogues [71]

uncataloged [10]

[25]

By constellation:

Andromeda Antlia Apus Aquila Aquarius Ara Aries Auriga Boötes Caelum Camelopardalis Capricornus Carina Cassiopeia Centaurus Cepheus Cetus Chamaeleon Circinus Canis Major Canis Minor Cancer Columba Coma Berenices Corona Austrina Corona Borealis Crater Crux Corvus Canes Venatici Cygnus Delphinus Dorado Draco Equuleus Eridanus Fornax Gemini Grus Hercules Horologium Hydra Hydrus Indus Lacerta Leo Lepus Libra Leo Minor Lupus Lynx Lyra Mensa Microscopium Monoceros Musca Norma Octans Ophiuchus Orion Pavo Pegasus Perseus Phoenix Pictor Piscis Austrinus Pisces Puppis Pyxis Reticulum Sculptor Scorpius Scutum Serpens Sextans Sagitta Sagittarius Taurus Telescopium Triangulum Australe Triangulum Tucana Ursa Major Ursa Minor Vela Virgo Volans Vulpecula

M41 (Open cluster) Right ascension: 6h 47m Declination: -2° 47' Constellation: Canis Major Date/time: 2013.03.02 18:30 UT Equipment: 4.5" f/8 Newtonian FoV: 52' Magnification and filter(s): 60x Seeing: 8/10 Transparency: 4/5 SQM: 21.32 m/as2 Temperature: 4°C Humidity: dry Wind: none Sight: 2 - minor details, somewhat interesting Difficulty: 1 - instantly visible, no dark adaptation or averted vision needed Position: 2 - easy, bright star nearby Location: Lipótfa, Zselic, Hungary Observer: Ferenc Lovró Description: Sparsely populated, large open cluster just under the bright star Sirius. It can be detected with the unaided eye as a faint little spot. It contains about a dozen bright stars and about two dozens of fainter companions. Hi-resolution image: [ reversed sketch | original sketch ]

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