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8 Andromedae — Star in Andromeda

Magnitude 4.8m Star Andromeda (And) Visible
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Observe

1Physical Properties

Magnitude 4.85
Spectral Type M2+IIIBa0.3
Star Color Red (B-V 1.67)
Distance 297 ly

2Position & Identifiers

RA 23h 17m 44.7s
Dec +49° 00' 55.0"
Constellation Andromeda (And)
HR 8860
HIP 115022
HD 219734
SAO 52871
Flamsteed 8 And
Double Cat 16656

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 Aug – Oct (peak: Sep)

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

AB, CPM. B, 13.0v at 8".
15

Light Travel Time Machine

16

Relativistic Travel

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