The Little Gem (NGC6818)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From Los Angeles , the Little Gem will become visible at around 17:46 (PST), 29° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 3 hours and 52 minutes after the Sun at 20:35.
Name
The Little Gem (NGC6818)
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Object type
Planetary nebula
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Position
Right ascension: | 19h43m [1] |
Declination: | −14°09' [1] |
Constellation: | Sagittarius |
Magnitude: | 9.30 (V) [1] 9.90 (B) [1] 10.66 (J) [1] 10.60 (H) [1] 9.91 (K) [1] |
Distance: | 2.2 kpc 7.2 klyr [2] |
B-V Color (mag): | 0.60 |
Derived quantities
Absolute mag (V): | -2.41 |
Sources