20-Per (Star)
Color-magnitude diagram
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 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 Cambridge , 20-Per is visible in the evening sky, becoming accessible around 17:27 (EST), 33° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 22:31, 85° above your southern horizon. It will continue to be observable until around 04:57, when it sinks below 20° above your north-western horizon.
Begin typing the name of a town near to you, and then select the town from the list of options
which appear below.
|
Name
20-Per
|
Object type
Star
|
Position
| Right ascension: | 02h53m42s [2] |
| Declination: | +38°20'14" [2] |
| Constellation: | Perseus |
| Magnitude: Variable | 5.35 (V) [2] 5.82 (BT) [2] 5.39 (VT) [2] |
| Distance: | 70.7 parsec 230.4 lightyrs [3] |
| B-V Color (mag): | 0.36 |
| Proper motion (speed): | 91.7 mas/yr[3] |
| Proper motion (pos ang): | 149.3° |
Derived quantities
| Absolute mag (V): | 1.11 |
Visibility from Cambridge
All times shown in Cambridge local time.