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Chi Cancri — Star in Cancer

Magnitude 5.1m Star Cancer (Cnc) Visible
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Observe

1Physical Properties

Magnitude 5.14
Spectral Type F6V
Star Color Yellow (B-V 0.47)
Distance 53 ly

2Position & Identifiers

RA 08h 20m 03.9s
Dec +27° 13' 04.0"
Constellation Cancer (Cnc)
HR 3262
HIP 40843
HD 69897
SAO 80104
Bayer Chi
Flamsteed 18 Cnc

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 Dec – Feb (peak: Jan)

5Survey Image

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Explore

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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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.

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