In [14]:

    

from ipyaladin import Aladin

from ipywidgets import Layout, Box, widgets

a = Aladin(layout=Layout(width='33.33%'), target='M 81', fov=0.3)
b = Aladin(layout=Layout(width='33.33%'), survey='P/DSS2/red')
c = Aladin(layout=Layout(width='33.33%'), survey='P/2MASS/color')

# synchronize target between 3 widgets
widgets.jslink((a, 'target'), (b, 'target'))
widgets.jslink((b, 'target'), (c, 'target'))

# synchronize FoV (zoom level) between 3 widgets
widgets.jslink((a, 'fov'), (b, 'fov'))
widgets.jslink((b, 'fov'), (c, 'fov'))

items = [a, b, c]

box_layout = Layout(display='flex',
                    flex_flow='row',
                    align_items='stretch',
                    border='solid',
                    width='100%')
box = Box(children=items, layout=box_layout)
box