# sun_set_time obs.sun_set_time(time_obs, which='nearest') # Default obs.sun_set_time(time_obs, which='next') obs.sun_set_time(time_obs, which='previous') obs.sun_set_time() # Will be use time=Time.now(), which='nearest' # sun_rise_time obs.sun_rise_time(time_obs, which='nearest') # Default obs.sun_rise_time(time_obs, which='next') obs.sun_rise_time(time_obs, which='previous') # moon rise obs.moon_rise(time_obs, which='nearest') # moon set obs.moon_set(time_obs, which='nearest') # The above functions can be called with an `angle` keyword argument to specify # a particular horizon angle for rising or setting, or can be called with # convenience functions for particular morning/evening twilight. # For example, to compute astronomical twilight by specifying the `angle`: obs.sun_set_time(time_obs, which='next', angle=18*u.degree) # evening (astronomical) twilight obs.twilight_evening_astronomical(time_obs) # evening (nautical) twilight obs.twilight_evening_nautical(time_obs) # evening (civil) twilight obs.twilight_evening_civil(time_obs)
# sunset obs.sunset(date=time_obs, which='nearest') # Default obs.sunset(date=time_obs, which='next') obs.sunset(date=time_obs, which='previous') # sunrise obs.sunrise(date=time_obs, which='nearest') # Default obs.sunrise(date=time_obs, which='next') obs.sunrise(date=time_obs, which='previous') # moon rise obs.moon_rise(date=time_obs, which='nearest') # moon set obs.moon_set(date=time_obs, which='nearest') # The above functions can be called with an `angle` keyword argument to specify # a particular horizon angle for rising or setting, or can be called with # convenience functions for particular morning/evening twilight. # For example, to compute astronomical twilight by specifying the `angle`: obs.sunset(date=time_obs, which='next', angle=18*u.degree) # evening (astronomical) twilight obs.evening_astronomical(date=time_obs) # evening (nautical) twilight obs.evening_nautical(date=time_obs) # evening (civil) twilight obs.evening_civil(date=time_obs)
