AltairvsSceptrum
Altair has a higher Declination (9 vs -14 °), while Sceptrum has a higher Distance (110 vs 17 light-years), while Sceptrum has a higher Apparent Magnitude (4 vs 1 mag).
Brightness
1
Apparent Magnitude
4
2
Absolute Magnitude
1
11
Luminosity
28
Physical Properties
17
Distance
110
8,004
Surface Temperature
4,554
0
Color Index (B-V)
1
Position
20
Right Ascension
5
9
Declination
-14
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Data sourced from HYG Database (Free for any purpose, including commercial).