NGC6439 (Planetary nebula)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From Cambridge , NGC6439 is visible in the morning sky, becoming accessible around 01:37, when it reaches an altitude of 21° above your south-eastern horizon. It will then reach its highest point in the sky at 04:05, 31° above your southern horizon. It will be lost to dawn twilight around 04:26, 30° above your southern horizon.
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Name
NGC6439
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Object type
Planetary nebula
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Position
| Right ascension: | 17h48m [1] |
| Declination: | -16°28' [1] |
| Constellation: | Sagittarius |
| Magnitude: | 12.60 (V) [1] 13.80 (B) [1] 12.62 (J) [1] 12.65 (H) [1] 11.76 (K) [1] |
| Distance: | 1.3 kpc 4.2 klyr [2] |
| B-V Color (mag): | 1.20 |
Derived quantities
| Absolute mag (V): | 2.03 |
Sources