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NGC 103

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Open cluster in the constellation Cassiopeia

NGC 103 open cluster

Observation data (J2000.0 epoch)
Right ascension	00 25 18
Declination	+61° 21.0′
Distance	4600
Apparent magnitude (V)	9.8
Apparent dimensions (V)	5′
Physical characteristics
Other designations	Cr 1, OCL291
Associations
Constellation	Cassiopeia
See also: Open cluster, List of open clusters

NGC 103 is a small open cluster. It is partially visible in an 8" amateur telescope under moderately light polluted skies. It is roughly 4600 light-years from the Sun.

References

^ "NGC 103". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2006-12-08.

External links

NGC 103 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images

v t e Astronomical catalogs
NGC	NGC 98 NGC 99 NGC 100 NGC 101 NGC 102 NGC 103 NGC 104 NGC 105 NGC 106 NGC 107 NGC 108
Collinder	Collinder 1 Collinder 2 Collinder 3 Collinder 4 Collinder 5

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New General Catalogue 1 to 499

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Constellation of Cassiopeia

Bayer	α (Schedar) β (Caph) γ (Navi/Tsih) δ (Ruchbah) ε (Segin) ζ (Fulu) η (Achird) θ (Marfak) ι κ λ μ ν ξ ο π ρ σ τ υ υ (Castula) φ χ ψ ω
Flamsteed	1 2 4 6 9 10 12 42 47 48 (A) 49 50 54
Variable	R S TZ WZ YZ (21) AO AR PZ V373 V509 V547 V669 V705 V762 V863 V773 V987 V1022 V1405
HR	5 91 144 196 244 273 297 743 932 8832 8853 8881
HD	861 7924 7977 15558 17156 (Nushagak) 240210 240237 240429 240430
Other	BD+60°2522 Gliese 49 IRAS 23304+6147 LS I +61 303 PSR J0205+6449 Tycho G 4U 0142+61 WR 2 WR 3

Exoplanets	HD 7924 b HD 17156 b HD 219134 b c d e (h) f g HD 240210 b HD 240237 b

Star clusters	Messier 52 Messier 103 NGC 103 NGC 110 NGC 129 NGC 133 NGC 136 NGC 146 NGC 189 NGC 225 NGC 358 NGC 366 NGC 381 NGC 433 NGC 436 NGC 457 NGC 559 NGC 637 NGC 654 NGC 659 NGC 663 NGC 1027 NGC 7789 NGC 7790 Trumpler 3

NGC	281 7635
Other	3C 58 Cassiopeia A Heart Nebula IC 289 IC 1805 KjPn 8 LBN 114.55+00.22 Sh 2-185 Westerhout 5

NGC	147 185 278
Other	Andromeda VII 3C 20 3C 35 Dwingeloo 1 Dwingeloo 2 MB 3 IC 10 Maffei 1 Maffei 2 QSO B0153+744

Astronomical events	SN 1181 SN 1572 (B)

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