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False Azimut values
#1
Hi Greg,

I am afraid have found a new (?) bug: Azimut values of several objects in any list (e.g. Current Comet here) is +180° 00' (or +000° 00' in a few cases) which is obviously not correct; see below.

   

Attila
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#2
Hi,

The alt/az has to be calculated for specific time. The time normally used is the start of the imaging window for that night. Notice that not all of the comets have an imaging window, because they are not suitable targets on this night, at least in terms of your settings.

For those comets without a start time, the time of transit is used to compute the alt/az instead. So the azimuth is always 180 degrees, because that is when it is crossing the meridian.
Clear skies,
Greg

SkyTools Developer
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#3
(2018-09-27, 03:15 AM)theskyhound Wrote: Hi,

The alt/az has to be calculated for specific time. The time normally used is the start of the imaging window for that night. Notice that not all of the comets have an imaging window, because they are not suitable targets on this night, at least in terms of your settings.

For those comets without a start time, the time of transit is used to compute the alt/az instead. So the azimuth is always 180 degrees, because that is when it is crossing the meridian.

Okay, it's clear now, thanks.

Attila
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