|Miscellaneous||COELIX APEX||COELIX LITE|
|Operating system||Windows 32 bit and 64 bit.||ü|
|Disk space||160 MB (460 MB with the Guide Star Catalogue).||40 MB|
|Observation station||Ephemeris and views are shown from an observation site chosen in a list. Possibility to define and add new sites everywhere on Earth.||ü|
|Spanning of the ephemeris in time||From the year -4712 until the year +9999. Very accurate for recent times and fairly accurate for historical research spanning several centuries.||10 years in the past and up to 6 months in the future (may be extended with free updates).|
|Database of the stars||More than 2 million stars up to limiting magnitude 12 from Tycho-2 Catalogue and other catalogues. About 15 million stars to the limiting magnitude 15.6 with the Guide Star Catalogue. More than 100,000 double and multiple stars from the "Washington Double Star Catalogue".||Approximately 122,000 stars up to limiting magnitude 9.0. Selection of 2000 double stars.|
|Database of the deep sky objects||About 28,350 objects including open star clusters, globular clusters, diffuse nebulae, planetary nebulae, galaxies, quasars and clusters and groups of galaxies.||About 25,000 objects.|
|Comets and asteroids||Possibility to display orbital elements, ephemeris, trajectories in 3D and on a sky map of about 3000 comets and more than 380,000 asteroids. Possibility to download from inside the software, the most recent orbital elements of comets and asteroids. Possibility to add comets by entering their orbital elements.
For selected comets and asteroids, possibility to get very accurate ephemeris already calculated by the JPL and taking into account the gravitational perturbations.
|Approximately 300 comets and the first 1000 IAU numbered asteroids. Updated with software updates only.|
|Search engine||Possibility of finding an object (planet, star, deep sky objects, comets, asteroids) by editing its name or designation. Once found, you can easily see the ephemeris of the object, its position, its path on a map, etc.||ü|
|Night vision||Possibility to display all the screens of the software in shades of red to preserve night vision adaption.||ü|
|Telescope control||COELIX APEX||COELIX LITE|
|Supported telescopes with ASCOM||Pre-validated models to simplify the configuration:
Meade LX200 classic;
Meade LX200GPS and RCX;
Vixen SkySensor 2000 PC;
EQMOD compatible telescopes;
iOptron iEQ45 and iEQ75;
Gemini for Losmandy.
(Other validated models to come in future updates.)
Possibly many other models that are supported with the ASCOM platform by using the correct configuration.
(may vary depending on the telescope model)
|Connection and disconnection.
Parking (park and unpark).
Tracking: sidereal, lunar and solar.
Eight ways to point the telescope (GOTO).
Synchronization of the telescope.
Multi-speed manual corrections with button pushed mode and pulse mode.
Changing the date and time of the telescope.
Control of a focuser motor.
|Different ways to make the GOTO||GOTO directly to edited equatorial coordinates.
GOTO directly to edited altazimuth coordinates.
GOTO to an object clicked in the view of the celestial hemisphere.
GOTO to an object clicked in the view of the visual field.
GOTO to an object clicked on a celestial map.
GOTO to an object found with the search engine.
GOTO to a star or deep sky object in a catalogue.
GOTO to a comet or an asteroid in a table of orbital elements.
|Sky Maps||COELIX APEX
|Resolution of the maps on the screen||1944 X 2520 pixels corresponding to about 250 dpi on a sheet of A4 or U.S. letter format or to an image of 4.9 megapixels.||ü|
|Available fields of view||Six different zooms, from a map of the hemisphere with a field of 180° up to a 16X zoom with a field of 2.5° X 3°.||Up to a zoom of 2X with a field of 20° X 24°.|
|Limiting magnitude of the visible objects||Depends on the zoom. The limiting magnitude of the stars is 15.6 for the 16X zoom.||Limiting magnitude of 8.5 for the 2X zoom.|
|Objects that are visible on the maps||Stars, deep sky objects, labels of the celestial bodies, equatorial coordinates, ecliptic, galactic equator, Milky Way, constellations lines, boundaries and names of the constellations, paths of planets, comets and asteroids, Telrad sights. Objects and labels are color coded.||ü|
|Editing functions||Possibility to add, delete and move labels, titles and Telrad sights. Possibility to save the maps in a Coelix format and open them later to continue edition.||ü|
|Orientation||North to the top or south to the top. Portrait or landscape.||ü|
|Printing and saving the maps||Maps can be printed and saved in bitmap format and in vector format (PostScript and PDF) to enjoy the maximum resolution of your printer.||Only the maps of zooms 1X, 2X and of the hemisphere can be saved and printed.|
|The Celestial Hemisphere||COELIX APEX||COELIX LITE|
|Resolution of the views||By default, according to the screen resolution. Can be modified by the user.||ü|
|Objects that are visible||Stars, deep sky objects, labels of celestial bodies, equatorial coordinates, ecliptic, meridian, Milky Way, constellations lines, boundaries and names of the constellations, Moon, planets, comets and asteroids, and meteor radiants.||ü|
|Visible phenomena||Positions of the stars in the sky, conjunctions, eclipses, meteor showers, etc.||ü|
|Limiting magnitude and visibility of objects||Default values can be modified by the user for each type of object. For example, you can only render comets visible to help locate them.You can also make blinking a single type of object.||ü|
|Local horizon||Option to define and edit a local horizon for each observation station, taking into account the obstacles: houses, trees, mountains, light poles, power cables...||ü|
|Animation||You can make time spend faster with animation to see the various celestial phenomena accelerated.||ü|
|Orientation||The sky may be oriented with one of the 16 cardinal points downward.||ü|
|Paths of celestial bodies||A virtual camera can retain the paths of stars, planets or other celestial bodies (works with animation).||ü|
|Visual fields||COELIX APEX||COELIX LITE|
|Types of fields||Virtual telescope in which the magnification and field of view can be modified by using a virtual eyepiece (5X to 2000X).
Circular and rectangular fields of view, configurable by the user, and that can represent the fields of view of eyepieces, CCD cameras, digital cameras, binoculars or finders.
|Secondary CCD sensor||Possibility to have a secondary CCD in the visual fields of the CCD camaras to help to find a guide star (up to magnitude 15.6) to do autoguiding.||The limiting magnitude of 9 for the visual fields may limit the choice of guide stars.|
|Animation and tracking||You can make time spend faster with animation to see the celestial phenomena accelerated. The virtual telescope can follow the movement of objects by using various guiding modes (on object, sidereal or fixed).||ü|
|Objects that are visible||Stars up to magnitude 15.6 (with the Guide Star Catalogue), double stars, deep sky objects, labels of celestial bodies, Moon, planets, comets, asteroids, satellites of Mars (2), Jupiter ( 4), Saturn (8), Uranus (5) and Neptune (2).||Stars to magnitude 9.0. Satellites of Jupiter and Saturn only..|
|Observable phenomena||Eclipses of the Sun and Moon, lunar occultations, phenomena of the satellites of Jupiter, and so on.||ü|
|Orientations and rotations of the field||Rotations: north or south at the top. Fields can be horizontally mirrored. Rectangular fields can undergo a rotation.||ü|
|The graphic almanac||COELIX APEX||COELIX LITE|
|Phenomena visible inside the graph for all the days of the year||Times of sunrises, sunsets, civil, nautical and astronomical twilight in various shades of blue.
Risings, transits and settings of the Moon and planets.
Local sidereal time, equation of time, Julian day.
|Phenomena visible inside the graph according to the occurence||Conjunctions and encounters of celestial bodies.
Greatest elongations of Mercury and Venus.
Maximum brightness of Venus.
Most remarkable meteor showers.
|Phenomana present in the list of the main phenomena of the year||Phases of the Moon.
Perigees and apogees of the Moon.
Perihelion and aphelion of the Earth and Mars.
Oppositions of the superior planets (Mars to Pluto) with the Sun.
Greatest elongations of Mercury and Venus.
Equinoxes and solstices.
|Editing and printing||Possibility to add and move text labels and lines on the graph.
Possibility to add events to the list of the main phenomena.
Possibility to print the almanac in bitmap format (bmp, png and jpg).
Possibility to save and print the almanac in PDF vector format, compatible and readable with Adobe Acrobat. Print quality to be printed in poster size.
|Year of the almanac||You can generate an almanac for the current, past and future years.||For the year of the current version only.|
|Graphics||COELIX APEX||COELIX LITE|
|Paths of planets and Moon's positions||Map of the equatorial zone of the sky showing the positions and motions of planets and the phases of the Moon during a chosen month.||ü|
|Risings, transits and settings||Graphic giving the times of sunrises, sunsets and transits of the Moon, planets or a selected celestial body, for one month, three months or a whole year.||ü|
|Lunar calendar||One month calendar showing the phases of the Moon. Dates of eclipses and orientation of the libration are also shown.||ü|
|Elongations of the planets||Graphic of the elongations of the planets during two years.||ü|
|Appearance of the planets in one month||Images of the planets at the same scale showing the variation of their apparent diameters and their orientations for a chosen month.||ü|
|Animated world map||Animated map of the Earth showing the time zones and the areas of day, twilight, night and of the visibility of the Moon. There are also the subsolar and sublunar points.||ü|
|Sun-Earth-Moon system||View of the respective positions of the Sun, Earth and Moon, showing the inclination of the Moon's orbit and the lunar nodes. View of the Moon from the Earth and the Earth seen from multiple viewpoints.||ü|
|Map of the Moon||Map of the Moon in small and medium format showing the correct position of the terminator, the libration, the inclination of the pole and some lunar formations.||ü|
|Lunar librations||Graph showing the amplitude and direction of the lunar librations for a chosen month. The graph is accompanied by an image of the Moon showing where are the main lunar formations near the limb, as well as images of the phases of the Moon during the month.||ü|
|Physical ephemeris of the Moon||Graph showing for a chosen month the apparent diameter and percentage of illumination of the Moon, the longitudes of the sunrise and sunset terminators, the selenographic longitude of the observer and the position angle of the lunar north pole.||ü|
|Contacts diagram of a lunar eclipse||Diagram showing the Moon's position at each of its contacts with the shadow and the penumbra of the Earth during a lunar eclipse. Information on the times of contacts, on the magnitude of the eclipse and on the diameters of the shadow and penumbra.||ü|
|Magnitudes and diameters of the planets||Graphs of apparent magnitudes and apparent angular diameters of the planets during the current year.||ü|
|Orbits of the planets||Views of the planets on their orbits seen from the north pole of the ecliptic. These views can be animated to show the movements of the planets in their respective orbits. Choice of two representations:
* geocentric and heliocentric solar system ;
* solar system and view of a planet through a virtual telescope.
|Mars planisphere||Map of Mars showing the main formations, the subsolar and subterrestrial points, the limits of the areas visible from Earth and illuminated by the Sun. The map is accompanied by a simultaneous view of Mars from Earth through a virtual telescope and can be animated in time.||ü|
|Orbits of the satellites of Jupiter and Saturn||Image of the orbits of the galilean satellites of Jupiter or the eight brighter satellites of Saturn as seen from the north pole of the planet and from the Earth. It shows the positions of the satellites in their orbits. These views can be animated to show the movements of the satellites.||ü|
|Orbits and positions of the satellites of Uranus and Neptune||Images of the orbits and positions of the five major satellites of Uranus and satellites Triton and Nereid of Neptune. Satellites can be displayed for a period extending from January 10, 2005, to December 27, 2029.||Satellite Nereid is not displayed. The period of visibility is limited between January 10, 2009, and the limiting date of the ephemeris.|
|Elongations of the satellites||Graphics of the elongations of the two satellites of Mars, the four galilean satellites of Jupiter and the eight brighter satellites of Saturn during the current month.||Satellites of Jupiter and Saturn only.|
|3D view of the orbit of a comet or an asteroid||Three-dimensional representation of the respective positions of the Sun, the Earth and a comet or an asteroid on their orbits. This view can be animated to see the movements of these bodies.||ü|
|Stellar diagrams||Display of the properties of stars in graphical form. The Hertzsprung-Russell diagram is an example where we display the absolute magnitude in relation to the spectral class.||Unavailable.|
|Light curves of bright variable stars||Graph of the light curve of a variable star chosen in a list of some well known variable stars.||ü|
|Tables||COELIX APEX||COELIX LITE|
|Observation sites||Names and locations of all observation sites available. (You can add sites).||ü|
|Lunar phases||Dates and times of lunar phases displayed for a chosen number of months.||ü|
|Physical ephemeris of the Moon||Longitude of the terminator. Selenographic longitude and latitude of the observer, of the center of the Earth and of the Sun. Position angle of the Moon's north pole and of the illuminated limb.||ü|
|Physical ephemeris of the Sun||Angle of inclination of the rotation axis of the Sun. Longitude and latitude of the center of the Sun. Carrington's rotation number.||ü|
|Solar eclipses||Circumstances and times of contacts of all solar eclipses (total, annular and partial) for a chosen number of years. You can access a view of an eclipse in the hemisphere or through the virtual telescope by selecting it in the table.||ü|
|Lunar eclipses||Circumstances and times of contacts of all lunar eclipses (total, partial and penumbral) during a chosen number of years. You can access the diagram or the view of an eclipse in the shemisphere or through the virtual telescope by selecting it in the table.||ü|
|Lunar occultations||Times of occultations of stars and planets by the Moon. The table also indicates the magnitude of the occulted body, the illumination and azimuthal coordinates of the Moon.||ü|
|General ephemeris||Times of sunrise, transit and sunset for a selected object, as well as other characteristics such as magnitude, apparent diameter, elongation, etc. This object may be the Moon, the Sun, a planet, a comet, an asteroid, a star or a deep sky object.||ü|
|Geocentric phenomena||Conjunctions of solar system planets, between themselves, with the Sun, the Moon and with some bright stars. Oppositions of the planets with the Sun. Greatest elongations of Mercury and Venus. Tables give the time and circumstances of these phenomena.||ü|
|Central meridian of Mars||Longitude of the central meridian of the disk of Mars at chosen intervals.||ü|
|Central meridian of Jupiter||Table giving the longitude of the central meridian of the illuminated disk of Jupiter in systems I and II.||ü|
|Transits of the Red Spot||Times of the passages of the Red Spot on Jupiter's central meridian. The Red Spot is clearly visible in an interval of one hour and half before and after its passage. The moments of the passages of the Red Spot depend on its longitude in the system II, which varies randomly over time. You can update the longitude of the Red Spot in the software.||ü|
|Phenomena of the galilean satellites of Jupiter||List of the phenomena of the galilean satellites of Jupiter during a selected number of days. The table gives the beginning and end of the following phenomena:
- passage of a satellite in front of the Jupiter's disk;
- passage of the shadow of a satellite on the Jupiter's disk;
- satellite occultation behind Jupiter;
- eclipse of a satellite in the shadow of Jupiter.
|Orbital elements of comets and asteroids||Table of orbital elements of the comets or asteroids that are loaded into the software from the Minor Planet Center and the JPL.||Table of orbital elements of the comets or asteroids available with the last update of COELIX.|
|Meteor showers||Date of maximum, duration, number of shooting stars per hour, position of the radiant, etc. for each shower of one year.||ü|
|Star catalogues||Coordinates and various properties of stars. The stars are selected using filters and are displayed in a chosen order (in order of right ascension, magnitude, etc.).||ü|
|List of double and multiple stars.||Table of over 2000 double and multiple stars with their various properties (coordinates, magnitudes, color indices, position angles, separations, etc.). The stars are selected using several filters and are displayed in an chosen order (in order of right ascension of magnitude difference, color difference, etc.).||ü|
|Washington Double Star Catalogue||Full access to the Washington Double Star Catalogue with more than 100,000 double stars. The stars are selected using several filters and are displayed in a chosen order (in order of right ascension, magnitude, separation, color index, etc.). You can choose to display for example only the double stars of a selected constellation or only a chosen catalog of stars as the STF (F. Struve).||Not available.|
|Catalogues of deep sky objects||Table of deep sky objects (open stars clusters, nebulae, galaxies, etc.) with details on their coordinates and their various properties. The objects are selected using filters and are displayed in a chosen order (in order of right ascension, magnitude, NGC number, Messier number, or other).||ü|
|Minima et maxima of bright variable stars||Dates and times of minima and maxima of a periodic variable star chosen from a list of bright variable stars.||ü|
|The observer's guide||COELIX APEX||COELIX LITE|
|What is visible in the sky tonight||List in chronological order of all the phenomena seen during one night or several consecutive nights: sunrises, sunsets and transits of celestial bodies, eclipses, occultations, maxima and minima of variable stars, phenomena of the satellites of Jupiter, transits of the Red Spot, and so on. You can view a phenomenon by clicking on it in the list.||ü|
|Phenomena of the month||List in chronological order of the main astronomical phenomena visible during a chosen month: occultations, conjunctions, grouping of celestial bodies, eclipses, etc. You can view a phenomenon by clicking on it in the list.||ü|