Where is Comet 51P/Harrington?

Comet 51P/Harrington is currently in the constellation of Leo. Right now, from Greenwich, UK (change location), 51P/Harrington can be observed looking in the West-South-West at an altitude of 34.23 degrees above the horizon. View the position of comet 51P/Harrington in an interactive map of the sky. Given its current brightness (magnitude 26.76), 51P/Harrington is visible only through long exposure photography.

The current apparent celestial coordinates of comet 51P/Harrington, useful for pointing an equatorial telescope, the hour angle, and the sidereal time are provided in the table below:

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Star map showing the position of comet 51P/Harrington in the constellation of Leo on July, 17 2025
Field of view: 50x30 degrees
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Additional Resources on TheSkyLive

• Comet 51P/Harrington: Complete reference information on TheSkyLive.com.
• Where is comet 51P/Harrington?: Key information on where to find comet 51P/Harrington in the sky.
• Distance of comet 51P/Harrington from Earth: Find out how far comet 51P/Harrington is from Earth right now.
• How Bright is comet 51P/Harrington?: Current visual brightness (magnitude) and apparent size.
• Rise and Set Times: Rise and set times of comet 51P/Harrington from your location.
• Interactive Sky Map: Planetarium-style interactive visualization of comet 51P/Harrington's position in the sky.
• Live Position Tracker: High precision real time tracker of comet 51P/Harrington's position using deep space imagery.
• Ephemeris: 15 days comet 51P/Harrington's computed ephemeris.