SKY · COMETS · USA
Comets Visible Tonight — Philadelphia
Which tracked comets are above the horizon after dark from Philadelphia, how bright they really are, and which way to look. Positions are computed live for your coordinates (40.0°,-75.2°) — a comet below your horizon is marked as such rather than pretended into view.
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“From here, now” is the comet's current altitude and compass bearing for Philadelphia, computed from its live NASA/JPL position. Best viewing is when a comet is high and the sky is fully dark — check our stargazing conditions for Philadelphia.