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37 Comae Berenices — Star in Coma Berenices

Magnitude 4.9m Star Coma Berenices (Com) Visible
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1Physical Properties

Magnitude 4.90
Spectral Type G9IIICH-2Fe1Ca1 giant
Star Color Red (B-V 1.17)
Distance 204 ly

2Position & Identifiers

RA 13h 00m 16.5s
Dec +30° 47' 06.0"
Constellation Coma Berenices (Com)
HR 4924
HIP 63462
HD 112989
SAO 63288
Flamsteed 37 Com
Variable ID Var?
Double Cat 8731
SIMBAD

3How easy to spot?

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Equipment Bortle 3 Bortle 4 Bortle 5
Naked eye Medium+ Medium Hard+
50mm finder Easy Easy Easy
150mm scope Easy Easy Easy
Easy Medium Hard Very hard Impossible

Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs

4Visibility

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Best season Mar – May (peak: Apr)

5Survey Image

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6

Size Comparison

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7

Compare Stars

8

Spectral Classification

9

Hertzsprung-Russell Diagram

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Read: The Hertzsprung-Russell Diagram — Reading Stars Like a Map
10

Stellar Lifecycle

11

Blackbody Spectrum

12

Stellar Absorption Spectrum

Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.

13

Stellar Fusion

Discover

14Stellar Notes

CPM.
15

Light Travel Time Machine

16

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.

NGC 4559
Easy
Bright spiral galaxy
Galaxy mag 9.9 6.0° Coma Berenices
Coma Star Cluster
Easy
Open cluster
Open Cluster mag 1.8 9.0° Coma Berenices
Show on Map

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