HIP 20825 — Star in Reticulum
Observe
1Physical Properties
Magnitude
5.75
Spectral Type
K0III
giant
Star Color
Orange
(B-V 1.01)
2Position & Identifiers
RA
04h 27m 45.9s
Dec
-62° 31' 15.0"
Constellation
Reticulum
(Ret)
HR
1435
HIP
20825
HD
28732
SAO
249029
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3How easy to spot?
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Hard+ | Hard | V. hard+ |
| 50 mm finder 50mm finder | Easy | Easy | Easy |
| 150 mm telescope 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
Oct – Dec
(peak: Nov)
5Survey Image
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Explore
6
Size Comparison
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7
Compare Stars
8
Spectral Classification
9
Hertzsprung-Russell Diagram
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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.
R Dor
Semi-regular variable, range 4.8–6.6
Variable Star
mag 5.40
1.1°
Dorado
Theta Ret
Easy double, sep 4.1″
Double Star
mag 5.87
1.4°
Reticulum
NGC 1534
Bright spiral galaxy
Galaxy
mag 12.92
2.2°
Reticulum
Gamma Ret
Cool red giant
Star
mag 4.51
3.1°
Reticulum
NGC 1787
Open cluster
Open Cluster
mag 10.92
4.7°
Dorado
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Article
Reticulum
Mythology, bright stars, and deep-sky highlights.
Constellation
