Castula — Star in Cassiopeia
HIP 4422; Upsilon2 Cassiopeiae; 28 Cassiopeiae
Observe
1Physical Properties
Magnitude
4.63
Spectral Type
G8IIIbFe-0.5
bright giant
Star Color
Orange
(B-V 0.96)
Distance
64 ly
2Position & Identifiers
RA
00h 56m 39.8s
Dec
+59° 10' 52.0"
Constellation
Cassiopeia
(Cas)
HR
265
HIP
4422
HD
5395
SAO
21855
Bayer
Upsilon2
Flamsteed
28 Cas
Querying VizieR catalog...
3How easy to spot?
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Medium+ | Medium | 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
Set a location in User Settings to see visibility data.
Best season
Aug – Oct
(peak: Sep)
5Survey Image
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Explore
6
Size Comparison
Querying VizieR for stellar data…
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
Discover
14Stellar Notes
Wolf 630 group.
Possible BaII star.
15
Light Travel Time Machine
16
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.
Achird
HIP 3821; Eta Cassiopeiae; 24 Cassiopeiae
Colorful double, sep 13.6″
Double Star
mag 3.44
1.7°
Cassiopeia
NGC 436
Open cluster
Open Cluster
mag 8.8
2.5°
Cassiopeia
NGC 281
Emission nebula — try an OIII filter
Emission Nebula
mag 7.0
2.6°
Cassiopeia
Shedir
HIP 3179; Alpha Cassiopeiae; 18 Cassiopeiae
Bright naked-eye star, mag 2.2
Star
mag 2.23
3.4°
Cassiopeia
IC 10
Galaxy
Galaxy
mag 10.3
4.6°
Cassiopeia
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Article
Cassiopeia
Mythology, bright stars, and deep-sky highlights.
Constellation
