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Messier 110

Izvor: Wikipedija

M 110
M110, eliptična galaksija.
Otkriće
Položaj
Epoha J2000
Zviježđe Andromeda
Udaljenost 2,500,000 ly  (766,000 pc)
Rektascenzija 00h 40m 24.0s
Deklinacija +41° 41′ 00.0″
Izgled na našem nebu
Prividna magnituda 8.10
Prividne dimenzije (V) 19.5' x 11.5'
Stvarne osobine objekta
Ostalo
Druge oznake NGC 205

Messier 110 (M110 ili NGC 205) je eliptična galaksija u Andromedi.

Ovo je posljednji objekt Messierova kataloga. Charles Messier otkrio ga je 1773. ali nikada ga nije zabilježio i unio u katalog. Galaksiju je u katalog dodao Kenneth Glyn Jones 1966. godine.

Svojstva

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M110 je patuljasta eliptična galaksija i zajedno s M32 satelit Andromedine galaksije. Galaksija ima promjer od 7,900 ly, nalazi se na istoj udaljenosti kao i M31, oko 2.5 milijuna godina svjetlosti. Galaksije je neobična u odnosu na ostale eliptične galaktike jer ima oblake prašine i plina kraj središta. Zato se ponekad M110 klasificira kao sferoidna galaksija a ne kao eliptična galaksija.

Masa M110 je oko 3.6 i 15 milijardi puta veće od mase Sunca.

Unatoč malim dimenzijama ova galaktika ima sustav od čak 8 dosad poznatih kuglastih skupova. Najsjajniji od njih je G73 čiji je prividni sjaj + 15 magnituda. Moguće ga je promatrati amaterskim teleskop većim od 450 mm u promjeru.

Amaterska promatranja

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M110 moguće je uočiti kao tamniju ali veliku mrlju sjeverno od M31. Na malim povećanjima moguće je vidjeti sve tri galaktike u istom vidnom polju. Pod tamnim nebom u 200 mm teleskopu M110 je sjajan elipsasti oblak s sjajnom jezgrom.

Eksterni linkovi

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Skica M110


Objekti u Messierovom katalogu
M1M2M3M4M5M6M7M8M9M10M11M12M13M14M15M16M17M18M19M20M21M22M23M24M25M26M27M28M29M30M31M32M33M34M35M36M37M38M39M40M41M42M43M44M45M46M47M48M49M50M51M52M53M54M55M56M57M58M59M60M61M62M63M64M65M66M67M68M69M70M71M72M73M74M75M76M77M78M79M80M81M82M83M84M85M86M87M88M89M90M91M92M93M94M95M96M97M98M99M100M101M102M103M104M105M106M107M108M109M110
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Messier 110
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