NGC1640 (Galaxy)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From South El Monte , NGC1640 will become visible at around 20:00 (PDT), 26° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 3 hours and 51 minutes after the Sun at 22:52.
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Name
NGC1640
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Object type
Galaxy
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Position
| Right ascension: | 04h42m [2] |
| Declination: | −20°26' [2] |
| Constellation: | Eridanus |
| Magnitude: | 11.69 (V) [2] 12.43 (B) [2] 9.81 (J) [2] 9.14 (H) [2] 8.90 (K) [2] |
| Angular dimensions: | 2.7 arcmin x 2.6 arcmin |
| Position angle: | Major axis 50.0°E of N |
| Hubble type: | Sb |
| Distance: | 13.5 Mpc 44.0 Mlyr [1] |
| B-V Color (mag): | 0.74 |
Derived quantities
| Absolute mag (V): | -18.96 |