The Little Gem (NGC6818)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From South El Monte , the Little Gem is visible in the evening sky, becoming accessible around 20:58 (PDT), 26° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 23:51, 41° above your southern horizon. It will continue to be observable until around 03:13, when it sinks below 21° above your south-western horizon.
|
Name
The Little Gem (NGC6818)
|
Object type
Planetary nebula
|
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