Messier 103
Messier 103 (also known as M103, or NGC 581) is an open cluster where a few thousand stars formed in the constellation Cassiopeia. This open cluster was discovered in 1781 by Charles Messier's friend and collaborator Pierre Méchain. It is one of the most distant open clusters known, with distances of 8,000 to 9,500 light-years from the earth and ranging about 15 light-years apart. There are about 40 member stars within M103, two of which have magnitudes 10.5, and a 10.8 red giant, which is the brightest within the cluster. Observation of M103 is generally dominated by the appearance of Struve 131, though the star is not a member of the 172-star cluster. M103 is about 25 million years old.
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Messier 103
Messier 103 (also known as M103, or NGC 581) is an open cluster where a few thousand stars formed in the constellation Cassiopeia. This open cluster was discovered in 1781 by Charles Messier's friend and collaborator Pierre Méchain. It is one of the most distant open clusters known, with distances of 8,000 to 9,500 light-years from the earth and ranging about 15 light-years apart. There are about 40 member stars within M103, two of which have magnitudes 10.5, and a 10.8 red giant, which is the brightest within the cluster. Observation of M103 is generally dominated by the appearance of Struve 131, though the star is not a member of the 172-star cluster. M103 is about 25 million years old.
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25بك المحتوى هنا ينقصه الاستشه ...... له شارل مسييه بنفسه في قائمته.
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Descubierto por Pierre Méchain ...... torización del autor AstroSeti
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L'objet astronomique numéro 10 ...... uchbah) à epsilon Cassiopeiae.
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M 103 (conosciuto anche come N ...... la costellazione di Cassiopea.
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M103(NGC 581、Melotte 8)は、カシオペヤ座にある散開星団である。
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Messier 103 (NGC 581) is een o ...... r 8000 lichtjaar van de Aarde.
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Messier 103 (also known as M10 ...... is about 25 million years old.
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Messier 103 (auch als NGC 581 ...... öffentlichten Messier-Katalog.
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Messier 103 (também conhecido ...... atalogado por Charles Messier.
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Messier 103 (znana również jak ...... szy, układ wielokrotny gwiazd.
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25بك المحتوى هنا ينقصه الاستشه ...... له شارل مسييه بنفسه في قائمته.
@ar
Descubierto por Pierre Méchain ...... torización del autor AstroSeti
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L'objet astronomique numéro 10 ...... drait que 25 étoiles. M103 con
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M 103 (conosciuto anche come N ...... la costellazione di Cassiopea.
@it
M103(NGC 581、Melotte 8)は、カシオペヤ座にある散開星団である。
@ja
Messier 103 (NGC 581) is een o ...... r 8000 lichtjaar van de Aarde.
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Messier 103 (also known as M10 ...... is about 25 million years old.
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Messier 103 (auch als NGC 581 ...... mit einer +7,3 mag und einer +
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Messier 103 (também conhecido ...... atalogado por Charles Messier.
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Messier 103 (znana również jak ...... jej jasność względna to 7,4m).
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Cúmulo abierto M103
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M 103
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M103 (astronomia)
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M103 (天体)
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M103 (星團)
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M103
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Messier 103
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Messier 103
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Messier 103
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Messier 103
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