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Delta Normae — Star in Norma

Magnitude 4.7m Star Norma (Nor) Visible
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Observe

1Physical Properties

Magnitude 4.72
Spectral Type Am
Star Color Yellow-white (B-V 0.23)
Distance 93 ly

2Position & Identifiers

RA 16h 06m 29.4s
Dec -45° 10' 24.0"
Constellation Norma (Nor)
HR 5980
HIP 78914
HD 144197
SAO 226500
Bayer Delta
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 Apr – Jun (peak: May)

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

14

Light Travel Time Machine

15

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.

Epsilon Nor
Easy
Easy double, sep 22.9″
Double Star mag 4.47 4.3° Norma
NGC 6169
Easy
Open cluster
Open Cluster mag 7.0 5.0° Norma
NGC 6164
Easy
Planetary nebula — try an OIII filter
Planetary Nebula mag 6.71 5.5° Norma
V856 Sco
Medium
Variable star, range 7.0–7.7
Variable Star mag 7.05 6.1° Scorpius
Show on Map

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