Where is Comet 17P/Holmes?

Comet 17P/Holmes is currently in the constellation of Crater. Right now, from Greenwich, UK (change location), 17P/Holmes can be observed looking in the East-South-East at an altitude of 0.03 degrees above the horizon. View the position of comet 17P/Holmes in an interactive map of the sky. Given its current brightness (magnitude 23.20), 17P/Holmes is visible only through long exposure photography.

The current apparent celestial coordinates of comet 17P/Holmes, 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 17P/Holmes in the constellation of Crater on July, 17 2025
Field of view: 50x30 degrees
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Additional Resources on TheSkyLive

• Comet 17P/Holmes: Complete reference information on TheSkyLive.com.
• Where is comet 17P/Holmes?: Key information on where to find comet 17P/Holmes in the sky.
• Distance of comet 17P/Holmes from Earth: Find out how far comet 17P/Holmes is from Earth right now.
• How Bright is comet 17P/Holmes?: Current visual brightness (magnitude) and apparent size.
• Rise and Set Times: Rise and set times of comet 17P/Holmes from your location.
• Interactive Sky Map: Planetarium-style interactive visualization of comet 17P/Holmes's position in the sky.
• Live Position Tracker: High precision real time tracker of comet 17P/Holmes's position using deep space imagery.
• Ephemeris: 15 days comet 17P/Holmes's computed ephemeris.