In [1]:

    

from bokeh.plotting import ColumnDataSource, figure, output_notebook, show, GridPlot
from bokeh.models import HoverTool
from datetime import datetime
import pandas as pd
from pandas.tseries.tools import to_datetime
import numpy as np
import ephem


    

In [2]:

    

TOOLS="pan,wheel_zoom,box_zoom,reset,hover,previewsave"
output_notebook()