[APBeta] Visual bug V2.0b94

[Paul Rodman]

On Sep 27, 2010, at 5:48 AM, Tony Barry wrote:

> There's a visual display disturbance in the "Altitude across a year" graph.
> 
> As you can see from the attached graph, the object has a hiccup in altitude from October to November and from March to April, where the red lines occur (what are the red lines by the way?)
> 
> The object in question is NGC 1513, loaded from the AP DSO catalogue.  The site is near Sydney, Australia.
> 
> When I control-click on the graph, I can select "Y-axis is Altitude" (and other things) but this does not fix the hiccups.

As Bruce points out this is a discontinuity caused by daylight savings transitions (the red dotted lines). This was "fixed" recently. The long-term visibility indicator shows altitude for a given local time, which assumes that daylight saving time is taken into account where applicable.

Paul R.