Alpha Mic
HIP 102831; Alpha Mic
DoubleStar
Microscopium
(Mic)
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
4.90
Spectral Type
G7III
Star Color
Orange
(B-V 1.00)
Distance
272 ly
Position & Identifiers
RA
20h 49m 58.1s
Dec
-33° 46' 47.0"
Constellation
Microscopium
(Mic)
HR
7965
HIP
102831
Bayer
Alpha
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Visibility
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Multiple Star System
Separation
20.2″
Companion Mag
10.1
Position Angle
165°
Star Colors
A: Orange
Discoverer
HJ 5224
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 20.2″ · PA: 165° · N up, E left
Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 2.3″
Size Comparison
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Spectral Classification
Hertzsprung-Russell Diagram
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