BASIC Programs from Sky & Telescope Magazine
File Name		Issue		Brief Description
ROCKET.BAS		Feb 02,  p. 66		Travel time for a space trip at relativistic speed
DAYSOLD.BAS		Nov 01,  p. 63		Determine date after input number of days after birthday
LOOKBAK2.BAS	Aug 01,  p. 62		Cosmological quantities of an accelerating universe
PILLAR.BAS		May 99,  p. 71		Simulate the appearance of a Sun pillar
MSACHART.BAS	Oct 98,  p. 63		Millennium Star Atlas chart number
SUPERNUM.BAS	Sep 98,  p. 70		Emergence angles of supernumerary rainbows
VISLIMIT.BAS	May 98,  p. 57		Visual limiting magnitude from any site
CCDLIMI2.BAS	May 98,  p. 117		Limiting magnitude of a CCD camera
LOOKBACK.BAS	Sep 97,  p. 59		Age and distance of a galaxy of known redshift
SOLAROSC.BAS	Jun 97,  p. 92		Visualize global solar oscillation modes
SUNDOG.BAS		Jan 97,  p. 103		Simulate the appearance of sundogs
CRATER.BAS		Nov 96,  p. 90		Find the dimensions of an impact crater
BLKHOLE1.BAS	May 96,  p. 92		Determine the mass of a black hole
BLKHOLE2.BAS	May 96,  p. 92		Calculate black-hole tidal forces
BLKHOLE3.BAS	May 96,  p. 92		Generate a black-hole "accelergram"
FACECIRC.BAS	Mar 96,  p. 84		Print setting-circle disks on a LaserJet
SCALES.BAS		Mar 96,  p. 84		Print setting-circle strips on a LaserJet
AGEUNIV.BAS		Jan 96,  p. 92		Age of the universe since the Big Bang
PULSAR.BAS		Oct 95,  p. 86		Relativistic precession in binary orbits
CHANCE.BAS		Jun 95,  p. 86		Odds of witnessing certain astronomical events
SATRINGS.BAS	May 95,  p. 92		Saturn ring-plane crossings
JACK.BAS		Sep 94,  p. 78		Demo of perturbed planetary motion
SUNUP.BAS		Aug 94,  p. 84		Times of sunrise/set at any place on Earth
MOONFX.BAS		Apr 94,  p. 86		Moon phase and distance on any given date
CAPTURE.BAS		Feb 94,  p. 85		Best film/camera combos for capturing meteors
SUNTAN.BAS		Jul 93,  p. 83		Effects of ozone, haze, on suntanning time
ASTEROID.BAS	Jun 93,  p. 83		The size of an asteroid from its brightness
CCDLIMIT.BAS	Feb 93,  p. 84		Compute the signal-to-noise ratio of a CCD
OCCVIS.BAS		Jan 93,  p. 89		Compute the visibility of a star near the Moon
ROTATE.BAS		Sep 92,  p. 318		Field rotation in a misaligned telescope
GFLASH.BAS		Feb 92,  p. 200		Simulate the appearance of the "green flash"
PRECESS.BAS		Oct 91,  p. 408		Rigorous precession of a star's coordinates
LIST.BAS		Aug 91,  p. 182		Make index lists of objects on star atlases
SOLARECL.BAS	Jul 91,  p. 71		Predictions of July 11, 1991, solar eclipse
FIREBALL.BAS	Jun 91,  p. 640		Calculate descent of a fireball
RONCHI.BAS		Apr 91,  p. 416		Ronchi test simulation
RAINBOW.BAS		Feb 91,  p. 199		Graphic simulation of a rainbow
SPIRAL.BAS		Dec 90,  p. 654		Modeling spiral galaxies
MARS.BAS		Sep 90,  p. 296		Physical ephemeris of Mars
MARCHE.BAS		Jul 90,  p. 71		Astrometric positions of a comet or asteroid
MALLAM.BAS		May 90,  p. 543		Precession of a satellite's orbit
ORIGAM.BAS		Apr 90,  p. 424		Make a paper model of a comet orbit
MIRROR.BAS		Feb 90,  p. 195		Foucault mirror test analysis
HARTLEY.BAS		Jan 90,  p. 86		Globe- and grid-drawing program (Macintosh)
JMERID.BAS		Dec 89,  p. 640		Jupiter's central meridian for any date/time
LIMMAG.BAS		Nov 89,  p. 522		Limiting magnitude of a telescope
GOSS.BAS		Oct 89,  p. 410		Light curves of eclipsing binaries
SHOWER.BAS		Aug 89,  p. 195		Dates of meteor showers
SINE.BAS		Aug 89,  p. 139		Demonstration of chaotic behavior
MOONUP.BAS		Jul 89,  p. 78		Compute moonrise-moonset times for any place
GALISA.BAS		Jun 89,  p. 650		Plot Galilean moons of Jupiter (Apple II)
SPACE.BAS		May 89,  p. 531		Space motion of a star
CHART.BAS		Apr 89,  p. 420		Find atlas charts for any celestial coordinates
REFR1.BAS		Mar 89,  p. 311		Compute atmospheric refraction
TAKI.BAS		Feb 89,  p. 194		How to aim an alt-az (Dobsonian) telescope
FRACTS.BAS		Jan 89,  p. 80		Represent a decimal as a continued fraction
PERIOD.BAS		Sep 88,  p. 288		Period search by Fourier transform
LUNAR.BAS		Jun 88,  p. 640		Compute dates of lunar eclipses
SHADOW.BAS		Apr 88,  p. 417		Modeling mountain shadows
CIRCLE.BAS		Mar 88,  p. 304		Make setting circles and scales on a printer
DIAL.BAS		Dec 87,  p. 646		Design a vertical sundial
PERIAP.BAS		Nov 87,  p. 527		Compute lunar apogee and perigee
STEREO.BAS		Oct 87,  p. 407		Plot stars in stereographic projection
DIFPAT.BAS		Sep 87,  p. 294		Compute and display diffraction patterns
BINARY.BAS		Jul 87,  p. 71		Orbital ephemeris of a binary star
CLOCK.BAS		May 87,  p. 535		Add Moon to a real-time clock (Apple II)
ORBITS.BAS		May 87,  p. 535		Positions in near-parabolic orbits
EXTINC.BAS		Apr 87,  p. 426		Compute extinction of starlight
PATH.BAS		Feb 87,  p. 196		Interpolate comet positions
METEOR.BAS		Jan 87,  p. 83		Compute flight of meteors
OBSCUR.BAS		Nov 86,  p. 515		Obscuration at a solar eclipse
SURF.BAS		Oct 86,  p. 392		Surface brightness of an extended object
SPHE.BAS		Sep 86,  p. 278		Measure radius of curvature with a spherometer
REACT.BAS		Aug 86,  p. 174		Test your personal reaction time
ALTAZ2.BAS		Jul 86,  p. 70		How to correct altitudes for refraction
MODEL.BAS		Apr 86,  p. 398		Create model of star cluster
EASTER.BAS		Mar 86,  p. 294		Compute date of Easter
TRACK.BAS		Feb 86,  p. 190		Astrophoto tracking tolerances
COMET.BAS		Dec 85,  p. 590		Compute the ephemeris of a comet
XYZ.BAS			Nov 85,  p. 470		X,Y,Z coordinates of the Sun
SAROS.BAS		Oct 85,  p. 366		Saros numbers for solar eclipses
HELIAC.BAS		Sep 85,  p. 261		Heliacal rise and set times
KEPLER.BAS		Aug 85,  p. 158		Solve Kepler's equation (celestial mechanics)
CALENDAR.BAS	Jul 85,  p. 62		Perpetual calendar (Gregorian)
SHUTTR.BAS		Jun 85,  p. 158		Shutter speeds for astrophotography
WAVEL.BAS		Jun 85,  p. 544		Positions of absorption lines in a spectrum
STEPPR.BAS		Apr 85,  p. 350		Controlling a stepper motor
MOONS.BAS		Mar 85,  p. 254		Dates and times of new and full Moon
PHOTOM.BAS		Feb 85,  p. 158		Reducing photometric observations
LHEIGHT.BAS		Jan 85,  p. 62		Compute heights of lunar features
GLOB1.BAS		Dec 84,  p. 555		Distribution of globular clusters (Apple II)
GLOB2.BAS		Dec 84,  p. 555		Distribution of globular clusters (Apple II)
LENS.BAS		Nov 84,  p. 450		Calculate curves for an aplanatic lens
GWMONTH.BAS		Oct 84,  p. 347		Convert month number to name
SUNSHINE.BAS	Sep 84,  p. 254		Hours of sunshine for a specific latitude
ANGSEP.BAS		Aug 84,  p. 159		Angular separation of two celestial objects
STAY.BAS		Jul 84,  p. 62		Comet's time spent inside Earth's orbit
ALTAZ.BAS		Jun 84,  p. 558		Star altitude and azimuth at a given time
GMST.BAS		Jun 84,  p. 558		Sidereal time for Greenwich meridian
CALJD.BAS		May 84,  p. 454		Convert calendar date to Julian day
JDCAL.BAS		May 84,  p. 454		Convert Julian day to calendar date
ADDMAG.BAS		Apr 84,  p. 359		Combined magnitude of two or more stars
INTERP.BAS		Apr 84,  p. 359		Lagrange interpolation (multiple data points)