Whether you want to check the positions of Jupiter's Moons, produce a finder chart for tonight's observing, find a periodic comet or just browse the sky, SkyMap Pro is the ideal tool.

Set the clock to the distant past or far into the future to see how precession moves the Earth's poles in a 26,000 year cycle. Choose from a wide range of options to display just the information you need.

SkyMap Pro has been written by astronomers for astronomers and is one of the most useful investments the PC-owning astronomer can make. Collect your copy from Green Witch or call us on 01954 211288 for mail order.

Major new features in version 7 include:

• Stars from the Tycho catalog are now displayed in (approximately) their true colours, based on the B-V colour index of the star.

• Saguaro Astronomy Club (SAC) database updated to version 7.1 .

• Map overlays added, map overlays are a little like external data catalogs, but show lines and text on the map rather than "objects".

• Quick search field to the toolbar, providing a rapid method of searching for any object by name.

• Search for events feature allows the user to search for astronomical "events" such as conjunctions, oppositions, minimum and maximum separations, extremes of declinations, and much more.

• Quick catalog allows easy display of newly discovered objects such as Novae.

• New telescope drivers include the Celestron "NexStar" range of telescopes and the Astro-Physics "GTO" range of computer-controlled mounts.

• Constellation names optionally now shown in map corners.

• Enhanced eyepiece field of view circles, now give the ability to include the effects of a barlow lens.

• Enhanced finder/binocular field circles, the "TelRad finder circles" annotation option has been replaced with a much more general-purpose "Finder/Binocular" option.

• Enhanced camera/CCD frame annotation, as with the finder annotation, frame definitions are now selected from a list to which you can add your own definitions.

• "Delete annotations" facility now allows annotations to be individually deleted from the map, making it easy to correct errors.

• Magnitude adjustment for deep sky object types can now be entered for each specific type of deep sky object.

• Dark nebulae can now be switched on or off independently of the other types of deep sky object.

• Tooltip display of brief object information, when the mouse is left over any object on the map for longer than 1 second, brief details of the object are displayed.

• Deep sky objects can now labeled the object with both the catalog number and object name (eg "M57 - Ring Nebula").

• Information dialog buttons replaced by menu.

• New "add to target list" option in all object information dialogs.

• Increased flexibility in target list names when creating a target list.

• Target list catalog now displays on the star chart the objects contained in the current target list.

• Logging observations in LMT, users can now select whether the default time is set to UT or LMT.

• Observation planning tool has been completely revised and re-written to allow greater ease of use and increased functionally.

• Stars can now be searched by their SAO catalog number.

• Variable star magnitude range displayed.

• Keyboard shortcuts are now completely configurable by the user.

• "Manual" data catalog display option, when the catalog is switched on by the user it will stay on until manually switched off again by the user.

• Tabular dialogs remember column widths.

• Satellite tracks display satellite name.

• New "ephemeris" option in object information dialogs provides a "shortcut" method for displaying an ephemeris.

• Zoom confirmation dialog can mow be switched off if desired.

• "Show search marker" option added to the global preferences dialog to allow the user to choose whether or not the position of the target of a search is shown by a visual marker on the map.

• Precess coordinates tool, added for precessing coordinates from one epoch to another

• Toolbars now have the modern "flat" look.