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Gamma Normae — Star in Norma

HIP 80000; Gamma2 Normae

Magnitude 4.0m Star Norma (Nor) Visible
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+ List + Plan

Observe

1Physical Properties

Magnitude 4.02
Spectral Type G8III giant
Star Color Orange (B-V 1.08)
Distance 74 ly

2Position & Identifiers

RA 16h 19m 50.4s
Dec -50° 09' 20.0"
Constellation Norma (Nor)
HR 6072
HIP 80000
HD 146686
SAO 243643
Bayer Gamma2
SIMBAD Wikipedia

3How easy to spot?

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Equipment Bortle 3 Bortle 4 Bortle 5
Naked eye Easy 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 Apr – Jun (peak: May)

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.

NGC 6134
Easy
Open cluster
Open Cluster mag 7.2 1.6° Norma
Epsilon Nor
Easy
Easy double, sep 22.9″
Double Star mag 4.47 2.9° Norma
NGC 6165
Easy
Planetary nebula — try an OIII filter
Planetary Nebula mag 6.71 3.1° Norma
NGC 5946
Easy
Compact globular cluster
Globular Cluster mag 9.6 7.1° Norma
Show on Map

Explore Nightbase

Related knowledge, tools, and stories — no observation planning required.

Arthur Eddington
1919 eclipse expedition confirming general relativity; first theory of stellar interiors; the Eddington limit
Biography
Norma
Mythology, bright stars, and deep-sky highlights.
Constellation
The Hertzsprung-Russell Diagram — Reading Stars Like a Map
The HR diagram turns the night sky into a physics map: every named star has a spot, every spot tells you mass, age, and fate. A guide for amateur observers.
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