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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:48  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
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In Evidence

Best Places to See the 2024 American Eclipse Based on Historical Weather Data
Using historical cloud coverage data we suggest the locations that could provide the better chances to have clear skies on April 8, 2024 to observe the eclipse. Read more...

Ephemeris Calculator

Compute Comet 109P/Swift-Tuttle ephemerides for any date and time between 01 Jan 1970 and 01 Jan 1970 and display the predicted position in an interactive sky map.

Time: : UTC

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Comets » Comet 109P/Swift-Tuttle

When Does Comet 109P/Swift-Tuttle Rise and Set?

Today's Comet 109P/Swift-Tuttle rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 110.2°
Max altitude: 18.3°
Azimuth: 249.8°
Comet 109P/Swift-Tuttle is below the horizon from Greenwich, United Kingdom

The rise and set times are defined as the time at which the upper limb of Comet 109P/Swift-Tuttle touches the horizon, taking into account the effect of the atmospheric refraction. Since the atmosphere conditions cannot be modeled precisely, the times reported here should be considered correct with an approximation of a few minutes.

See Also

Available Resources for Comet 109P/Swift-Tuttle