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7 Andromedae — Star in Andromeda

Magnitude 4.5m Star Andromeda (And) Visible
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Observe

1Physical Properties

Magnitude 4.52
Spectral Type F0V
Star Color Yellow-white (B-V 0.29)
Distance 64 ly

2Position & Identifiers

RA 23h 12m 33.0s
Dec +49° 24' 23.0"
Constellation Andromeda (And)
HR 8830
HIP 114570
HD 219080
SAO 52787
Flamsteed 7 And
SIMBAD

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 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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Read: The Hertzsprung-Russell Diagram — Reading Stars Like a Map
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

Discover

14Stellar Notes

Unresolved by speckle interferometry 1986.46.
15

Light Travel Time Machine

16

Relativistic Travel

Nearby in the Sky

Other targets within a few degrees — pan your scope a little and keep exploring.

Visibility scores assume a 150 mm Newton at Bortle 4.

8 And
Easy
Cool red giant
Star mag 4.85 0.9° Andromeda
NGC 7686
Easy
Rich open cluster
Open Cluster mag 5.6 2.9° Andromeda
Blue Snowball
NGC 7662
Medium+
Small bright planetary nebula
Planetary Nebula mag 8.3 7.3° Andromeda
V509 Cas
Medium
Variable star, range 4.8–5.5
Variable Star mag 5.00 7.8° Cassiopeia
Show on Map

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