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Last Updated
03/31/2019
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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION. |
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ASTRONOMICAL COMPUTING xx ASTRONOMY xx COMPUTER APPLICATIONS xx MATHEMATICS Astronomical computer program, written in BASIC, is used to calculate local siderial time, altitude/azimuth, right ascension and declination. Amateur astronomy and the home computer. What a computer can (and can't) do for the amateur astronomer. Computer program calculates the time of sunrise, sunset, and twilight (astronomical, nautical, and civil) to within 1 or 2 minutes during the second half of 20th century. Written in BASIC. The coming of epoch 2000. Computer program transforms celestial coordinates from one epoch into those of another. Written in Microsoft BASIC. Computing the ephemeris of comet Halley. A computer program written in BASIC, computes the right ascension and declination, its distance from both the sun and earth, and an estimate of its magnitude for any date between 1946 and 2026. How to plot star maps on your computer. Includes a program written in BASIC. Eclipse predictions on your computer. A computer program, written in BASIC, to predict both solar and lunar eclipes, calculates their circumstances, and prints the data. What time is it? Two methods for telling sidereal time. (1) Computer program (written in BASIC) to calculate sidereal time. (2) Schematic for a 60.16428-Hz oscillator which converts an ordinary digital clock to operate on sidereal time with an accuracy of 5 seconds per year. Computer simulation of the motion of a cluster of stars under the influence of gravity. The program is written in BASIC. Galactic collisions on your computer. Create bridges, rings, and whirlpools through the gravitational interactions of colliding galaxies. Includes a simulation program written in BASIC. 1994 astronomical computer software buyer's guide. Blasting along the infobahn. Guide to astronomical information available on the Internet computer network. Students in cyberspace. Guide to astronomical-related educational resources available via the Internet computer network. A simulated view of the galaxy. Using a microcomputer to "view" constellations from other parts of the galaxy, and related uses. Constellation I: An astronomical program displays ten of the most well-known constellations on your video screen and gives a multiple choice test. Used for teaching. Written in BASIC. Computer program in BASIC computes the time of sunrise and sunset, as well as the total solar energy incident on the top of the atmosphere for a given latitute and longitude. Computing telescope parameters with the OSI Superboard II computer. BASIC program to compute the optical paramaters (F number, eye relief, Ramsden disk diameter, etc.) for a Newtonian telescope. Understanding the Flexible Image Transport System (FITS) digital-data file format used to exchange astronomical data. Tip on adding a red filter to the screen of a laptop computer used in astronomy. Computer program in BASIC calculates the exact positon of the moon. Gives azimuth and elevation coordinates, Greenwich hour angle, declination, and right ascension. Useful for aiming radio antennas for signal bouncing. How to find true North in order to properly orient a radio antenna, or for some other reason. Includes a BASIC computer program to tabulate the time of meridian passage for a full year. Tracking the planets with a computer. MBASIC program calculates planetary coordinates. Electronic orrery. Simulate planetary motion in the solar system using high-resolution graphics on the Apple II computer. Program written in BASIC. Orrery computer program is written in Apple Pascal. It is used to show the relative positions and motions of the members of the solar system. Algorithm of the Gods. Simulating nature's methods of organizing and creating on a computer. A procedure for implementing the simulated annealing algorithm on a computer. This algorithm mimics nature to solve complex problems, such as arranging the order of galaxies to observe in such a way that the telescope is moved as little as possible throughout the observing session. Aids for the calculating amateur astronomer. A brief review of electronic calculators and books which will aid the amateur in making mathematical calculations for astronomical purposes. More publications bearing on astronomical calculation. Useful for amateur astronomers using calculators and computers to calculate astronomical information. Astronomical image processing with an Apple II computer. Photos are scanned, digitized and stored using a homemade motorized scanner. Complete instructions are NOT provided. Astronomical computing. (1) Summing stellar magnitudes. (2) Lagrange interpolation. Written in BASIC. Astronomical computing. (1) Greenwich mean sidereal time. (2) Altitude and azimuth. Written in BASIC. Astronomical computing. BASIC program calculates how many days a comet can remain inside the Earth's orbit. Astronomical computing. Calculating the angular separation of one star or planet from another. Written in BASIC. Astronomical computing. Program to determine the total amount of sunshine (in hours and minutes) between (and including) two dates. Astronomical computing. Program plots globular cluster distribution in the Milky Way galaxy by taking three-dimensional information and projecting it into two dimensions. Written in BASIC. Astronomical computing. A BASIC program to calculate the height of mountains and craters on the moon. Astronomical computing. A BASIC routine converts photoelectric meter readings to stellar magnitudes. Astronomical computing. A computer program, written in BASIC, gives successive dates when the moon is new or full. It is based on the formula of astronomer Jean Meeus. Astronomical computing. A computer program to calculate shutter speeds for astrophotography. Written in BASIC. Astronomical computing. Computer program, written in BASIC, calculates the dispersion of light through a glass prism. The program fits the Hartmann formula to three lines of known wavelength. Astronomical computing. A computer program, written in BASIC, solves Kepler's equation. This program overcomes the eccentricity problem which causes other programs to get caught in an endless computational loop. Astronomical computing. Predicting heliacal risings and settings of stars using this BASIC program. Astronomical computing. A computer program, written in BASIC, finds the saros number to which any solar eclipse belongs when you enter its Julian Day number. Astronomical computing. A computer program, written in BASIC, calculates the rectangular coordinates of the sun based on the 1950.0 equinox. Astronomical computing. Computing a comet ephemeris using this program written in BASIC. Astronomical computing. Tracking tolerances in astrophotography. Computer program, written in BASIC, will tell you the longest possible exposure time before trailing becomes noticeable. Works with various combinations of camera mounts and celestial objects. Astronomical computing. Making your own globular cluster. Computer program, written in BASIC, uses random numbers and graphics to simulate a typical globular cluster of stars. Astronomical computing. Tracking artificial satellites on your home computer. Some tips and sources of available software. Astronomical computing. BASIC program to measure your personal reaction time. This is important to know when recording lunar occultation timings. Astronomical computing. Surface brightness as a clue to visibility. Computer program, written in BASIC, to calculate surface brightness of deep-sky objects based on the total magnitude. Astronomical computing. Computer program, written in BASIC, to calculate the obscured area of the sun during a partial eclipse. Astronomical computing. Computer program simulates the flight path of a meteor and calculates how big it was before hitting the Earth's atmosphere. Written in BASIC. Astronomical computing. Computer program calculates the daily ephemeris of a comet by interpolation. Written in BASIC. Astronomical computing. Astronomical software benchmarks. A look at the relative speeds of some computer languages and hardware that are commonly available to the amateur astronomer. Astronomical computing. Extinction angles and megaliths. BASIC program calculates the extension angle (zenith distance) for any object if you know the visual magnitude of the star or planet, the faintest star that the observer can see at zenith, and the visual extinction coefficient. Astronomical computing. More on Kepler's equation. BASIC program calculates a comet's location in near-parabolic orbits. Programming your computer's real-time clock to keep track of the moon's phase. Astronomical computing. Computer program illustrates how a star image will appear depending on the kind of obstructions found in the light path (apodizing mask, spider vanes, etc.). Astronomical computing. Fun with stereographic projections. Using a personal computer to convert angular coordinates on the sky to rectangular x-y values for stereographic plotting on a flat chart. Includes a BASIC program. Astronomical computing. The tide at Tarawa. Computer program, written in BASIC, calculates lunar perigee and apogee. This information, along with harmonic analysis, is used to reconstruct the odd tidal pattern that occured during the World War 2 battle at Tarawa in the Gilbert Islands on Nov. 20, 1943. Computer simulation of the "mountain shadows" phenomenon. This optical illusion is caused by the shadow of a mountain being cast onto the haze in the atmosphere, forming a symmetric cone with fairly sharp edges. Includes a computer program written in BASIC. Computer program, written in BASIC, predicts lunar eclipses of all types, both past and future. Do-it-yourself image processing for the amateur astronomer. An introduction to digital image processing using personal computers and CCD cameras. Rhythms of a variable star. Computer program, written in BASIC, uses Fourier transforms to calculate the period of a variable star. Computer program, written in BASIC, represents a decimal value as a "continued fraction." An explanation of continued fractions and their application to astronomy. Computer program, written in BASIC, calculates the correct position of a star after correcting for atmospheric refraction. Help for star-atlas fumblers. A computer program, written in BASIC, will display the chart numbers in Wil Tiron's SKY ATLAS 2000.0 and in the two-volume URANOMETRIA 2000.0 that best shows a specific right ascension and declination. Computer program, written in BASIC, computes the "space motion" for any star. After inputting six variables, the program will generate the right ascension, declination, distance, and magnitude of the star at any desired time in the past or future. Computer program, written in BASIC, will display the paths of the four bright moons of Jupiter for an eight-day period starting at any desired date. Computer program, written in BASIC, will calculate moonrise or moonset on a given date. Computer program, written in BASIC, illustrates the onset of "chaos" in simple mathematical expressions. This sudden transition from order to chaos is a common phenomenon in nature. Included in an article on the chaotic solar system. Computer program, written in BASIC, to explore trends in meteor-shower dates. Lists the month and day of peak activity for up to nine well-known showers for any desired year. Your telescope's limiting magnitude. A look at the three parameters (aperture, magnification, and darkness) which have the biggest effect on the limiting magnitude. Includes a computer program, written in BASIC, which calculates the limits for any telescope. Computer program, written in BASIC, calculates the longitude of Jupiter's central meridian for any date and time of observation. Making toy galaxies. BASIC program to draw spiral galaxies on the screen of a computer. GW-Basic computer program to print an index to Sky Publishing's NGC 2000.0 star chart diskette. Computer program which factors the precession effect into the published coordinates of a star. Savage Benchmark program written in GW Basic exercises a computer's ability to handle floating-point arithmetic and transcendental functions. It is a good indicator of how suitable the machine is for astronomical calculations. A star's visibility just before occultation by the Moon is calculated by this Basic computer program. This will determine the smallest telescope needed to visually observe the occultation. Astronomical computing. Computer program (written in BASIC) uses the Poisson distribution formula to determine the probability of various astronomical events (sporadic meteors, fireballs, bright novae, etc.). Astronomy on the Internet. An overview of what is available. Astronomical computing. BASIC computer program to calculate relativistic precession involving the binary pulsar PSR 1913+16. Compute the age of the universe by numerically integrating Aleksandr Friedmann's equation governing the dynamics of expanding matter-filled universes. Computer program written in BASIC is included. A black hole user's guide. A computer program (written in BASIC) is used to determine the mass of a black hole (or any other object) from a probe orbiting it, and for exploring tidal forces. Astronomical computing. Understanding the limitations of astronomical databases (catalogs) which simulate deep-sky objects on computers. Astronomical computing. Looking back cosmologically. A BASIC computer program to calculate the age and distance of a far-flung galaxy from only two input quantities. Visual limiting magnitude computer program (written in BASIC) calculates the sky brightness under any clear conditions for any optical filter. Computer program (written in BASIC) reveals the volume and page number within the "Millennium Star Atlas" where a given star or deep-sky object can be found (based on inputting the coordinates). Scripting, a programming alternative. How to use ECMAScript (a general-purpose interpreted programming language) which is embedded within the hypertext markup language (HTML) of a Web browser as an alternative to BASIC programs. | |||||||||
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