Star Magnitude Calculator
Calculate apparent and absolute star magnitudes.
Star Magnitude Calculator
Distance Modulus: m - M = 5 log10(d / 10 pc)
Reference Stars
| Star | App. Mag | Abs. Mag | Distance (pc) |
|---|---|---|---|
| Sun | -26.74 | 4.83 | 0.0000048 |
| Sirius | -1.46 | 1.42 | 2.64 |
| Betelgeuse | 0.42 | -5.85 | 197 |
| Polaris | 1.98 | -3.6 | 133 |
| Vega | 0.03 | 0.58 | 7.68 |