code: function listPasses (data, cb) {
    var index = 0
    var passes = data.passes
    var newpasses = ''
    if (passes.length === 0) {
      newpasses += ':( No results found for **' + data.location.name + '**'
    } else {
      passes.map(function (obj) {
        if (index === 0) {
          newpasses += '**' + data.location.name + '** (' + obj.timezone + ')\n'
        }
        var dateFormat = 'YYYYMMDDHHmmss'
        var newDateFormat = 'ddd MMM Do, hh:mma'
        var begin = moment(obj.begin, dateFormat).format(newDateFormat)
        var duration = moment.utc(moment(obj.end, dateFormat).diff(moment(obj.begin, dateFormat))).format('m\\m s\\s')
        newpasses += begin + ' (' + duration + ')\n'
        index++
      })
    }
    newpasses += ':satellite:'
    cb(false, newpasses)
  }
docs: Build up a string based on the astroViewer data
  @param  {object}   data Return the astroviewer object
  @param  {Function} cb