The star η-Ser
Color-magnitude diagram
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
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From Ashburn (click to change), η-Ser is visible in the evening sky, becoming accessible at around 21:10 (EDT) as the dusk sky fades, 46° above your southern horizon. It will then reach its highest point in the sky at 21:57, 48° above your southern horizon. It will continue to be observable until around 02:25, when it sinks to 17° above your western horizon.
|
Name
η-Ser
|
Object Type
Star
|
Position
| Constellation: | Serpens Cauda |
| Magnitude: Variable | 3.24 (V)[1] 4.43 (BT)[1] 3.34 (VT)[1] 2.43 (RP)[2] 2.88 (G)[2] 3.67 (BP)[2] |
| B-V Color (mag): | 0.93 |
| Right Ascension: | 18h21m18s [2] |
| Declination: | -02°54'06" [2] |
| Distance: | 17.8 parsec 58.2 lightyears [2] |
| Proper motion (speed): | 888.9 mas/yr [2] |
| Proper motion (pos ang): | 218.2° |
Derived Quantities
| Absolute Mag (V): | 1.98 |