findDaytime

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Finds the range of date values (suitable for pylab.plot_date) that correspond to daylight hours at the specified observatory for the specified range of dates.

Usage:

au.findDaytime(startdate, enddate=None, observatory='ALMA', intervalMinutes=30, finestSearch=4.0)

Inputs:

• startdate: string format YYYY-MM-DD or YYYY/MM/DD
• intervalMinutes: initial grid size to use in the search
• finestSearch: final grid to use (in minutes)

Returns:

• a list of 2-element arrays corresponding to sunrise, sunset

Example:

CASA <5>: au.findDaytime('2015-12-31')
  Out[5]: [array([ 735963.41041667,  735963.96736111])]

-- ToddHunter - 2015-12-31