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Kappa Reticuli — Star in Reticulum

Magnitude 4.7m Star Reticulum (Ret) Visible
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1Physical Properties

Magnitude 4.72
Spectral Type F5IV-V subgiant
Star Color Yellow-white (B-V 0.40)
Distance 54 ly

2Position & Identifiers

RA 03h 29m 22.7s
Dec -62° 56' 15.0"
Constellation Reticulum (Ret)
HR 1083
HIP 16245
HD 22001
SAO 248819
Bayer Kappa
SIMBAD

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 Oct – Dec (peak: Nov)

5Survey Image

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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

Hyades moving group.
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.

Zeta Ret
HIP 15371; Zeta2 Reticuli
Easy
Easy double, sep 309.1″
Double Star mag 5.24 1.3° Reticulum
Gamma Ret
Easy
Cool red giant
Star mag 4.51 3.7° Reticulum
NGC 1313
Easy
Barred spiral galaxy
Galaxy mag 9.0 3.8° Reticulum
TW Hor
Hard+
Semi-regular variable, range 5.5–6.0
Variable Star mag 5.74 6.0° Horologium
NGC 1261
Easy
Globular cluster — dense ball of ancient stars
Globular Cluster mag 8.4 8.0° Horologium
Show on Map

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