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16 Comae Berenices — Star in Coma Berenices

Magnitude 5.0m Star Coma Berenices (Com) Visible
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Observe

1Physical Properties

Magnitude 5.00
Spectral Type A4V
Star Color White (B-V 0.08)
Distance 136 ly

2Position & Identifiers

RA 12h 26m 59.3s
Dec +26° 49' 32.0"
HR 4738
HIP 60746
HD 108382
SAO 82314
Flamsteed 16 Com

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 Feb – Apr (peak: Mar)

5Survey Image

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Explore

6

Size Comparison

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7

Compare Stars

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

Mel 111 #130 (Coma).
15

Light Travel Time Machine

16

Relativistic Travel

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