To change the colour used to paint a Messier object’s area, click here.

To paint the area that a Messier object takes up in the sky, click here.

To change the colour used to display a Messier object’s outline, click here.

To outline the area that a Messier object takes up in the sky, click here.

To show a Messier object’s name (if it has one) click here. Not available because labels are turned off.

To show a Messier object’s name (if it has one) click here.

To show Messier numbers, click here. Not available because labels are turned off.

To show Messier numbers, click here.

To show symbols where Messier objects are located, click here. Not available because labels are turned off.

To show symbols where Messier objects are located, click here.

Use this slider to select how brightly Messier images will be drawn. Not available because image display is turned off or because your monitor is set to show only 256 colours or less.

Use this slider to select how brightly Messier images will be drawn.

Use this pop-up menu to select the image quality for Messier objects. Not available because image display is turned off.

Use this pop-up menu to select the image quality for Messier objects.

To show Messier objects as images, correctly scaled and rotated, click here. Not available because Messier objects are not shown as images in chart view.

To show Messier objects as images, correctly scaled and rotated, click here.