Observe
1Physical Properties
Magnitude
6.89
Range
6.08 - 6.60
Period
51 days
Variable Type
Semi-Regular Variable (Late-type Giant)
Spectral Type
M4III
2Position & Identifiers
RA
21h 52m 18.2s
Dec
+21° 16' 23.0"
Constellation
Pegasus
(Peg)
HR
8350
HIP
107956
HD
207932
Variable ID
HO Peg
Querying VizieR catalog...
3How easy to follow?
Magnitude
6.1 – 6.6 mag
Amplitude
0.5 mag
Period
50.86 d
Type
SRB
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | V. hard | V. hard | Imp. |
| 50 mm finder 50mm finder | Hard+ | Hard+ | Hard+ |
| 150 mm telescope 150mm scope | Hard+ | Hard+ | Hard+ |
Easy
Medium
Hard
Very hard
Impossible
Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs
Out of reach for typical amateur telescopes, even at Bortle 3.
4Visibility
Set a location in User Settings to see visibility data.
Best season
Jul – Sep
(peak: Aug)
5Light Curve
6Comparison Stars for HO Peg (6.1–6.6)
Nearby stable stars for estimating brightness (AAVSO)
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Explore
7
Size Comparison
Querying VizieR for stellar data…
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
Discover
15Stellar Notes
I, amp. 0.4B.
Survey Image
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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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Variable Stars — A Guide for Observers
A practical guide to visual observation of variable stars: estimating magnitudes, finding comparison stars, recording data, and contributing to science with AAVSO.
Article
Pegasus
Mythology, bright stars, and deep-sky highlights.
Constellation
