When Does Comet 109P/Swift-Tuttle Rise and Set from Fuentes del Valle, Mexico?
Today's Comet 109P/Swift-Tuttle rise, transit and set times from Fuentes del Valle, Mexico are the following (all times relative to the local timezone America/Mexico_City):
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.