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Messier 107

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M 107
M107, Kuglasti skup. Snimka: Hubble
Otkriće
Položaj
Epoha J2000
Zviježđe Zmijonosac
Udaljenost 20,900 ly  (6,400 pc)
Rektascenzija 16h 32m 30.0s
Deklinacija -13° 30′ 00.0″
Izgled na našem nebu
Prividna magnituda 7.93
Prividne dimenzije (V) 13.0' x 13.0'
Stvarne osobine objekta
Ostalo
Druge oznake NGC 6171

Messier 107 (M107 ili NGC 6171) je kuglasti skup u zviježđu Zmijonosac. Otkrio ga je Pierre Méchain 1782. godine i vjerojatno je zadnji objekt otkriven iz Messierova kataloga. Helen Sawyer Hogg dodala je M107 u katalog 1947. godine zajedno s M105 i M106. Postojale su naznake da je Pierre Méchain planirao M107 dodati u buduća izdanja kataloga. Skup je samostalno ponovno otkrio William Herscel 1793. godine i prva je osoba koja ga je razlučila na zvijezde.

Svojstva

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M107 nalazi se na udaljenosti do 20,900 ly i ima promjer od 80 ly. Ukupni sjaj skupa je oko 400,000 puta veći od sjaja Sunca. Čini se da M107 sadrži neke tamne regije što je neobično za kuglasti skup. Skup je također među rjeđim kuglastim skupovima i klasificiran je kao tip X skup.

M107 nam prilazi brzinom od 147 km/s. Dosad je u njemu otkriveno 25 promjenjivih zvijezda.

Amaterska promatranja

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U 200mm teleskopu, M107 je samo tamna mrlja bez ikakvih detalja.


Objekti u Messierovom katalogu
M1M2M3M4M5M6M7M8M9M10M11M12M13M14M15M16M17M18M19M20M21M22M23M24M25M26M27M28M29M30M31M32M33M34M35M36M37M38M39M40M41M42M43M44M45M46M47M48M49M50M51M52M53M54M55M56M57M58M59M60M61M62M63M64M65M66M67M68M69M70M71M72M73M74M75M76M77M78M79M80M81M82M83M84M85M86M87M88M89M90M91M92M93M94M95M96M97M98M99M100M101M102M103M104M105M106M107M108M109M110
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Messier 107
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