η-Ser (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 Ashburn , η-Ser is difficult to observe as it will appear no higher than 18° above the horizon. It is visible in the dawn sky, rising at 04:37 (EST) – 2 hours and 46 minutes before the Sun – and reaching an altitude of 18° above the eastern horizon before fading from view as dawn breaks around 06:18.
Begin typing the name of a town near to you, and then select the town from the list of options
which appear below.
|
Name
η-Ser
|
Object type
Star
|
Other names
Position
| Constellation: | Serpens Cauda |
| Magnitude: Variable | 3.24 (V) [2] 4.43 (BT) [2] 3.34 (VT) [2] 2.88 (G) [4] 3.67 (BP) [4] 2.43 (RP) [4] |
| B-V Color (mag): | 0.93 |
| Right ascension: | 18h21m18s [4] |
| Declination: | -02°54'06" [4] |
| Distance: | 17.8 parsec 58.2 lightyrs [4] |
| Proper motion (speed): | 888.9 mas/yr [4] |
| Proper motion (pos ang): | 218.2° |
Derived quantities
| Absolute mag (V): | 1.98 |
Visibility from Ashburn
All times shown in Ashburn local time.