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 is visible in the dawn sky, becoming accessible around 02:35 (PDT), when it reaches an altitude of 21° above your north-eastern horizon. It will then reach an altitude of 34° before fading from view as dawn breaks at 04:28.
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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] |
| Distance: | 2.2 kpc 7.2 klyr [2] |
| B-V Color (mag): | 0.32 |
Derived quantities
| Absolute mag (V): | -4.31 |
Sources