Labels Constellations Direction Labels Below Horizon Brightest only (mag ≤ 1.5) Very bright (mag ≤ 2.5) Bright (mag ≤ 3.5) Moderate (mag ≤ 4.5) Faint (mag ≤ 5.5) All naked-eye (mag ≤ 6.5) ⟳ Refresh