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HIP 26868 — Star in Columba

Magnitude 5.3m Star Columba (Col) Visible
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1Physical Properties

Magnitude 5.29
Spectral Type B9.5V
Star Color Blue-white (B-V -0.05)

2Position & Identifiers

RA 05h 42m 15.1s
Dec -34° 40' 04.0"
Constellation Columba (Col)
HR 1973
HIP 26868
HD 38170
SAO 196098
SIMBAD

3How easy to spot?

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Equipment Bortle 3 Bortle 4 Bortle 5
Naked eye Medium Hard+ 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 Nov – Jan (peak: Dec)

5Survey Image

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6

Size Comparison

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Compare Stars

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Spectral Classification

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Hertzsprung-Russell Diagram

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

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 2090
Medium
Bright spiral galaxy
Galaxy mag 12.0 1.1° Columba
Mu Col
Easy
Hot blue O-type star
Star mag 5.17 2.5° Columba
C73
NGC 1851
Easy
Globular cluster — dense ball of ancient stars
Globular Cluster mag 7.3 7.8° Columba
Gamma Cae
Medium
Easy double, sep 3.2″
Double Star mag 4.55 7.8° Caelum
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