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Location

The APT Settings dialog box is accessible from Tools tab or with Alt+S shortcut.
 
The Location settings tab contains the options related to your site coordinates and possibilities to synchronize them. It is important to define the coordinates because they are used by Darkness Clock, Deep Sky Darkness Calculator, the filter of visible objects in Objects Browser and checking if object is above horizon on GoTo.
 
Location
 
1

Hemisphere

1. Hemisphere
 
The hemisphere you are in.
 
2

DTS

2. DTS
 
Is daylight time saving currently in effect. If "Auto" is selected APT will manage the "DST" setting using the Windows settings
 
3

Location

3. Location
 
List with the stored locations. Supported are up to five locations. Select the site you want to use/edit.
 
4

Site Name

4. Site Name
 
The site name.
 
5

Latitude

5. Latitude
 
The site Latitude. Accepted is any format. The GPS format of the entered value is displayed in italics. 
 
6

Longitude

6. Longitude
 
The site Longitude. Accepted is any format. The GPS format of the entered value is displayed in italics.
 
7

Elevation

7. Elevation
 
The site elevation in meters.
 
8

Time Zone

8. Time Zone
 
The site time zone.
 
9

Twilight offset

9. Twilight offset
 
Defines an offset from the calculated Astro Twilight. This allow to define that astro night starts X minutes earlier and ends X minutes later. By this way the automated imaging cans start earlier and end later. This offset is used by the #ConditionalStop script command, by SessionCraft and by manually scheduled plans via Start options.
 
10

No Sync

10.  No Sync
 
The current site coordinates will be used only in APT.
 
11

Import

11.  Import
 
The current site coordinates will be updated with the coordinates provided by the telescope as soon as it is connected.
 
12

Export

12.  Export
 
The current site coordinates will be used to set the coordinates of the telescope as soon as it is connected.
 
Note: If you want to export location information to EQMOD/EQASCOM you have to enable the option "Allow Site writes". To open the EQMOD settings panel use either:
 
APT > Gear tab > Shift-Click Connect Scope > ASCOM Telescope Chooser > EQMOD ASCOM HEQ5/6 > Properties
or
Windows Menu > EQMOD Toolbox > Driver Setup
 
13

Export Time

13. Export Time
 
When enabled will export the current time the PC clock to the ASCOM driver synchronizing telescope time.