When Does Comet 123P/West-Hartley Rise and Set from Chester, United States?
Today's Comet 123P/West-Hartley rise, transit and set times from Chester, United States are the following (all times relative to the local timezone America/New_York):
The rise and set times are defined as the time at which the upper limb of Comet 123P/West-Hartley 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.