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Eta Leporis — Star in Lepus

Magnitude 3.7m Star Lepus (Lep) Visible
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Observe

1Physical Properties

Magnitude 3.71
Spectral Type F2V
Star Color Yellow-white (B-V 0.33)
Distance 49 ly

2Position & Identifiers

RA 05h 56m 24.3s
Dec -14° 10' 04.0"
Constellation Lepus (Lep)
HR 2085
HIP 28103
HD 40136
SAO 150957
Bayer Eta
Flamsteed 16 Lep

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 Nov – Jan (peak: Dec)

5Survey Image

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Explore

7

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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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

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15

Light Travel Time Machine

16

Relativistic Travel

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