R Leporis — Variable Star in Lepus
Excellent (74/100)
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1Physical Properties
Magnitude
7.71
Range
5.5 - 11.7
Period
437 days
Variable Type
Mira (Long-period Pulsating)
Spectral Type
C6IIe
supergiant
Star Color
Deep ruby red
(B-V 5.74)
2Position & Identifiers
RA
04h 59m 36.5s
Dec
-14° 48' 21.0"
Constellation
Lepus
(Lep)
HR
1607
HIP
23203
HD
31996
SAO
150058
Variable ID
R Lep
Querying VizieR catalog...
3How easy to follow?
Magnitude
5.5 – 11.7 mag
Amplitude
6.2 mag
Period
437.2 d
Type
M
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Imp. | Imp. | Imp. |
| 50 mm finder 50mm finder | V. hard | Imp. | Imp. |
| 150 mm telescope 150mm scope | Medium | Hard+ | Hard |
Easy
Medium
Hard
Very hard
Impossible
Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs
4Visibility
Set a location in User Settings to see visibility data.
Best season
Oct – Dec
(peak: Nov)
5Survey Image
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6Light Curve
7Comparison Stars for R Lep (5.5–11.7)
Nearby stable stars for estimating brightness (AAVSO)
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Explore
8
Size Comparison
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9
Compare Stars
10
Spectral Classification
11
Hertzsprung-Russell Diagram
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12
Stellar Lifecycle
13
Blackbody Spectrum
14
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
15
Stellar Fusion
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16Stellar Notes
M 5.5 - 11.7v. Period has varied between 418 and 441d: since JD 2436000, 427.07d; max. mag. varies in period possibly | over 40y.
Hind's Crimson Star; One of the reddest stars visible to amateurs; Carbon star
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 1784
Bright spiral galaxy
Galaxy
mag 11.8
3.3°
Lepus
Mu Lep
Variable star, range 3.0–3.4
Variable Star
mag 3.31
3.5°
Lepus
Kappa Lep
Tight double — a rewarding split at 2.0″
Double Star
mag 4.36
3.8°
Lepus
RX Lep
Semi-regular variable, range 5.0–7.4
Variable Star
mag 5.68
4.1°
Lepus
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