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HIP 64820 — Star in Musca

Magnitude 4.9m Star Musca (Mus) Visible
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1Physical Properties

Magnitude 4.87
Spectral Type K2Ib-II supergiant
Star Color Red (B-V 1.50)
Distance 466 ly

2Position & Identifiers

RA 13h 17m 13.0s
Dec -66° 47' 01.0"
Constellation Musca (Mus)
HR 5002
HIP 64820
HD 115211
SAO 252240

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

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8

Spectral Classification

9

Hertzsprung-Russell Diagram

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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

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14Stellar Notes

6.54 - 6.60p.
15

Light Travel Time Machine

16

Relativistic Travel

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