M21 (Open cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
Finder chart
Click and drag the chart above to pan around the sky, or use the mouse wheel to zoom.
Click to enlarge.
From South El Monte , M21 is not observable – it will reach its highest point in the sky during daytime and is 5° below the horizon at dusk.
Begin typing the name of a town near to you, and then select the town from the list of options
which appear below.
|
Name
M21
|
Object type
Open cluster
|
Position
| Right ascension: | 18h04m [3] |
| Declination: | −22°29' [3] |
| Constellation: | Sagittarius |
| Magnitude: | 5.90 (V) [5] |
| Distance: | 1.2 kpc 3.9 klyr [2] |
Derived quantities
| Absolute mag (V): | -4.50 |
Sources
Visibility from South El Monte
All times shown in South El Monte local time.