en:documentation:left_bar

# The bar at the left

## Observatory

- Set observatory location is a shortcut for Setup → Observatory.

## Set date and time

- Set date and time is a shortcut for Setup → Date / Time.

## Setup

- Configure the program is similar way to get to Setup.

## Coordinate System group

- Equatorial coordinate is a shortcut for Chart → Chart coordinate system → Equatorial coordinate.
- Alt-Az coordinate is a shortcut for Chart → Chart coordinate system → Alt-Az coordinate.
- Ecliptic coordinate is a shortcut for Chart → Chart coordinate system → Ecliptic coordinate.
- Galactic coordinate is a shortcut for Chart → Chart coordinate system → Galactic coordinate.

Equinox and epoch settings can be done by Setup → Chart, Coordinates

## Transformation Group

- Miror horizontally is a shortcut for Chart → Transformation → Miror horizontally (the icon changes to red if the chart is mirrored).
- Miror vertically is a shortcut for Chart → Transformation → Miror vertically (the icon changes to red if the chart is mirrored).
- Rotate right rotates the chart 15° clockwise, is a shortcut for Chart → Transformation → Rotate right. See also Main bar → Position.
- Rotate left rotates the chart 15° counter-clockwise, is a shortcut for Chart → Transformation → Rotate left. See also Main bar → Position.
- Rotate by 180° is a shortcut for Chart → Transformation → Rotate by 180° This is how you can get mirror horizontally+vertically. (the icon changes to red if the chart is rotated).
- Right click on any of this button to reset the orientation.