Hi Bill,

Thank you very much for the additions. I'm sure they
will be used.

Clear skies,
Dennis

--- In guide-user@yahoogroups.com, Bill J Gray <pluto@p...> wrote:
> Hi Dennis,
>
> Stephen is definitely right as to the "standard" definition of
> LHA as an always-positive quantity. But your definition appeals to
> me; using this, you can look at, say, "-3:14:16" and immediately
> know that the object will be transiting in a bit over three hours.
> I can't see any benefit in turning this into "20:43:44", i.e.,
> "the object transited almost 21 hours ago."
>
> I've therefore revised LHA to run from -12:00:00 to +12:00:00,
> instead of from 0:00:00 to 24:00:00. If anyone really prefers the
> 24:00:00 scheme, please let me know, and I'll add in some sort of
> switch for the "standard-definition LHA"... but my guess is that
> most people will agree with Dennis; this definition makes sense.
>
> Last night, I added a "second time" check-box to the Legend
> dialog. As described in my previous two posts, you click on this
> and Guide asks for a time zone; Guide will then show the time
> corrected for that zone in the legend, so you can see two different
> zones (including "zones" such as Dynamical Time, local sidereal
> time, etc.) simultaneously.
>
> I had to pause and think about sec(z). The Legend dialog is
> already expanding (and just got bigger by that "second time"
> checkbox). I won't be surprised if you're the only user of the
> sec(z) option. So rather than add a new "sec(z)" (or "airmass")
> checkbox to the Legend dialog, I did this:
>
> Go into the Legend dialog and click on "Add to Caption", and
> enter "sec(z)". When the cursor is above the horizon, that text
> in the legend will now be replaced by "sec(z)=#.###". As the
> cursor moves, the value will be updated, just as the alt/az,
> RA/dec, constellation, Uranometria numbers, and other
> position-sensitive legend entries are.
>
> All this appears to be working, and will be provided with the
> next update I post.
>
> -- Bill