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110 Herculis — Star in Hercules

Magnitude 4.2m Star Hercules (Her) Visible
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Observe

1Physical Properties

Magnitude 4.19
Spectral Type F6V
Star Color Yellow (B-V 0.46)
Distance 63 ly

2Position & Identifiers

RA 18h 45m 39.7s
Dec +20° 32' 47.0"
Constellation Hercules (Her)
HR 7061
HIP 92043
HD 173667
SAO 86406
Flamsteed 110 Her
Double Cat 11658

3How easy to spot?

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Equipment Bortle 3 Bortle 4 Bortle 5
Naked eye Medium+ Medium+ Medium
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 May – Jul (peak: Jun)

5Survey Image

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7

Size Comparison

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8

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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

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15Stellar Notes

All companions probably optical.
16

Light Travel Time Machine

17

Relativistic Travel

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