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11 Lacertae — Star in Lacerta

Magnitude 4.5m Star Lacerta (Lac) Visible
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1Physical Properties

Magnitude 4.46
Spectral Type K2+III-IIIb
Star Color Orange (B-V 1.33) (reddened by dust)
Distance 326 ly

2Position & Identifiers

RA 22h 40m 30.9s
Dec +44° 16' 35.0"
Constellation Lacerta (Lac)
HR 8632
HIP 111944
HD 214868
SAO 52251
Flamsteed 11 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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8

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

15Stellar Notes

Hyades group.
16

Light Travel Time Machine

17

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.

15 Lac
Easy
Cool red giant
Star mag 4.94 2.3° Lacerta
5 Lac
Easy
Cool red giant
Star mag 4.36 3.9° Lacerta
NGC 7330
Hard+
Elliptical galaxy
Galaxy mag 13.0 5.8° Lacerta
AR Lac
Medium
Eclipsing binary, period 2.0d
Variable Star mag 6.11 5.8° Lacerta
NGC 7209
Easy
Rich open cluster
Open Cluster mag 6.7 6.6° Lacerta
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