M103 (Open cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From South El Monte , M103 will become visible at around 18:31 (PST), 53° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, becoming tricky to observe after 23:02 when it dips 21° above your north-western horizon.
|
Name
M103
|
Object type
Open cluster
|
Position
| Right ascension: | 01h33m [3] |
| Declination: | +60°39' [3] |
| Constellation: | Cassiopeia |
| Magnitude: | 7.40 (V) [5] 7.72 (B) [3] |
| Angular dimensions: | 4.5 arcmin |
| Distance: | 2.2 kpc 7.2 klyr [2] |
| B-V Color (mag): | 0.32 |
Derived quantities
| Absolute mag (V): | -4.31 |
Sources