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Beta Lacertae — Star in Lacerta

Magnitude 4.4m Star Lacerta (Lac) Visible
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Observe

1Physical Properties

Magnitude 4.43
Spectral Type G8.5IIIbCa1 bright giant
Star Color Orange (B-V 1.02)
Distance 155 ly

2Position & Identifiers

RA 22h 23m 33.6s
Dec +52° 13' 45.0"
Constellation Lacerta (Lac)
HR 8538
HIP 110538
HD 212496
SAO 34395
Bayer Beta
Flamsteed 3 Lac
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 Jul – Sep (peak: Aug)

5Survey Image

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Explore

7

Size Comparison

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Compare Stars

9

Spectral Classification

10

Hertzsprung-Russell Diagram

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

Discover

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.

NGC 7296
Easy
Open cluster
Open Cluster mag 10.0 0.7° Lacerta
5 Lac
Easy
Cool red giant
Star mag 4.36 4.6° Lacerta
Delta Cep
Medium+
Pulsating variable, period 5.4d
Variable Star mag 3.75 6.2° Cepheus
Cocoon Nebula
IC 5146
Medium+
Emission nebula — try an OIII filter
Emission Nebula mag 10.0 6.9° Cygnus
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