<h2><img src="js/resources/images/16x16/plot.png" style="margin: 0px 10px 0px 0px;"/>Interactive Plot Session</h2>
<p>
 PNG plot generates screen output and opens an interactive session. Using buttons/slider
you can  1) navigate back and forth in time, 2) resize image, 3) select time interval for its zooming or 
storing in time table, zoom on Y Left Axis 4) extend/shift time interval, 5) save plot on your disk, 6) link the plot with other plots, 7) access to Hubble Space Telescope images.
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<img class="centered" src="help/images/plot_12.png"/> 
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<p>
In case of Time Table input you navigate over Time Table intervals. 
</p> 
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<img class="centered" src="help/images/plot_13.png"/> 
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<p>
<b><i>Zoom In Time Interval</i></b> 
</p>
<p>
After right clicking <i>Zoom On Time Axis</i> in the context menu
select interval of interest by clicking image.
You can  either 1) apply/undo zoom or 2) insert selected interval into new or existing time table.
Time Table name is to be typed (or dragged/dropped) in the <i>Time Table Name</i> field. 
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<img class="centered" src="help/images/plot_14.png"/>
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<p>
<b><i>Extend/Shift</i></b>. Time extention/shift value can be positive (interval extention, positive time shift)
or negative (interval shrinking, negative time shift). 
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<p>
You find the description of 6) Linked to Multi Plot Mode in the <i>MultiPlot Mode</i> section and 7) access to Hubble Space Telescope images in the <i>Access to Hubble Images</i> section.
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