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HIP 70657 — Star in Circinus

Magnitude 5.8m Star Circinus (Cir) Visible
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Observe

1Physical Properties

Magnitude 5.85
Spectral Type K3III giant
Star Color Red (B-V 1.50)

2Position & Identifiers

RA 14h 27m 07.1s
Dec -65° 49' 18.0"
Constellation Circinus (Cir)
HR 5391
HIP 70657
HD 126241
SAO 252745
SIMBAD

3How easy to spot?

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Equipment Bortle 3 Bortle 4 Bortle 5
Naked eye Hard+ Hard V. 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 Mar – May (peak: Apr)

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

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.

AX Cir
Hard+
Pulsating variable, period 5.3d
Variable Star mag 5.87 3.4° Circinus
NGC 5288
Hard+
Open cluster
Open Cluster mag 12.0 4.2° Circinus
NGC 5189
Hard+
Planetary nebula — try an OIII filter
Planetary Nebula mag 10.0 5.5° Musca
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