Iota Aquarii — Star in Aquarius
Observe
1Physical Properties
Magnitude
4.27
Spectral Type
B9IV-V
subgiant
Star Color
Blue-white
(B-V -0.07)
2Position & Identifiers
RA
22h 06m 26.2s
Dec
-13° 52' 11.0"
Constellation
Aquarius
(Aqr)
HR
8418
HIP
109139
HD
209819
SAO
164861
Bayer
Iota
Flamsteed
33 Aqr
Querying VizieR catalog...
3How easy to spot?
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Medium+ | Medium+ | Medium |
| 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
Jul – Sep
(peak: Aug)
5Survey Image
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Explore
7
Size Comparison
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8
Compare Stars
9
Spectral Classification
10
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
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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Article
Aquarius
Mythology, bright stars, and deep-sky highlights.
Constellation
