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Spiral galaxy in the constellation Andromeda From Wikipedia, the free encyclopedia
NGC 109 is a spiral galaxy estimated to be about 240 million light-years away in the constellation of Andromeda. It was discovered by Heinrich d'Arrest in 1861 and its magnitude is 13.7.[4]
| NGC 109 | |
|---|---|
NGC 109 imaged by SDSS | |
| Observation data (J2000 epoch) | |
| Constellation | Andromeda |
| Right ascension | 00h 26m 14.636s[1] |
| Declination | +21° 48′ 26.64″[1] |
| Redshift | 0.018206[2] |
| Heliocentric radial velocity | 5458[2] |
| Distance | 216.40 ± 17.85 Mly (66.350 ± 5.473 Mpc)[2] |
| Apparent magnitude (V) | 14.08[2] |
| Apparent magnitude (B) | 15.0[3] |
| Characteristics | |
| Type | SB(r)a[2] |
| Size | 81,800 ly (25,090 pc)[2][note 1] |
| Apparent size (V) | 1.1′ × 1.0′[2] |
| Other designations | |
| UGC 251, MCG +04-02-020, PGC 1606[3] | |
One supernova has been observed in NGC 109: SN 2019upw (type Ia, mag. 17.5).[5]
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