9 Com
HIP 60098; 9 Com
DoubleStar
Com
Visible
Level 2
Small telescope (4") - Requires steady seeing
Physical Properties
Magnitude
6.33
Spectral Type
F8V s
Star Color
Yellow
(B-V 0.50)
Distance
130.5 ly
Position & Identifiers
RA
12h 19m 29.6s
Dec
+28° 09' 25.0"
Constellation
Com
HR
4688
HIP
60098
Flamsteed
9 Com
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Visibility
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Multiple Star System
Separation
545.5″
Companion Mag
8.9
Position Angle
224°
Star Colors
A: Yellow
B: Orange
Discoverer
LEP 53
Eyepiece View
15x
Dawes: 1.9″
TFOV: 3.3°
Realistic = true angular size
Sep: 545.5″ · PA: 224° · N up, E left
Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″
Size Comparison
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Stellar Lifecycle
Spectral Classification
Hertzsprung-Russell Diagram
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Blackbody Spectrum
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
Stellar Notes
Mel 111 #66 (Coma).
Survey Image
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