NGC6491 (Galaxy)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From South El Monte , NGC6491 is visible in the dawn sky, becoming accessible around 01:45 (PST), when it reaches an altitude of 21° above your north-eastern horizon. It will then reach an altitude of 49° before fading from view as dawn breaks at 05:45.
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Name
NGC6491
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Object type
Galaxy
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Position
| Right ascension: | 17h50m [4] |
| Declination: | +61°31' [4] |
| Constellation: | Draco |
| Magnitude: | 14.43 (B) [2] 11.29 (J) [2] 10.58 (H) [2] 10.24 (K) [2] |
| Angular dimensions: | 1.2 arcmin x 0.5 arcmin |
| Position angle: | Major axis 37.0°E of N |
| Hubble type: | Sab |
| Distance: | 71.5 Mpc 233.1 Mlyr [1] |
Derived quantities
| Absolute mag (V): | -19.84 |
Sources