Epsilon Serpentis — Star in Serpens
Observe
1Physical Properties
Magnitude
3.71
Spectral Type
A2 M
Star Color
White
(B-V 0.15)
Distance
70 ly
2Position & Identifiers
RA
15h 50m 49.0s
Dec
+04° 28' 40.0"
Constellation
Serpens
(Ser)
HR
5892
HIP
77622
HD
141795
SAO
121218
Bayer
Epsilon
Flamsteed
37 Ser
Querying VizieR catalog...
3How easy to spot?
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Easy | Medium+ | Medium+ |
| 50 mm finder 50mm finder | Easy | Easy | Easy |
| 150 mm telescope 150mm scope | Easy | Easy | Easy |
Easy
Medium
Hard
Very hard
Impossible
Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs
4Visibility
Set a location in User Settings to see visibility data.
Best season
Apr – Jun
(peak: May)
5Survey Image
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Explore
7
Size Comparison
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8
Compare Stars
9
Spectral Classification
10
Hertzsprung-Russell Diagram
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11
Stellar Lifecycle
12
Blackbody Spectrum
13
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
14
Stellar Fusion
Discover
15Stellar Notes
Also classified A6IVm.
16
Light Travel Time Machine
17
Relativistic Travel
Nearby in the Sky
Other targets within a few degrees — pan your scope a little and keep exploring.
Visibility scores assume a 150 mm Newton at Bortle 4.
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Article
Serpens
Mythology, bright stars, and deep-sky highlights.
Constellation
