CAL20000 STAR MAP V2.50.00

CAL20000 STAR MAP V2.50.00

YOUNGCHANG KOH(고영창)  ❘ Freeware
Android
Latest Version
V2.50.00
Safe to install

CAL20000 STAR MAP

CAL20000 Star Map is a comprehensive lunisolar calendar software catering to Korean users, while also incorporating Chinese astronomical data. The application excels in calculating the precise positions of the Sun, Moon, and planets down to the minute, presenting results through a monthly table, planetary arrangements, and a star map derived from the Yale Bright Star Catalog (5th Edition).

Effective Year Range: -9,999 to 10,000 (for a total span of 20,000 years)
Inquiry Period: ±525,949 minutes (approximately 1 year)

V2.5 Features

This updated version computes and displays the positions and movements of celestial bodies including the Sun, Moon, and planets. Noteworthy events such as stationary phases (beginning and end of retrograde motion), conjunctions (inferior and superior), oppositions, greatest elongations (both east and west), quadratures (east and west), perihelion, aphelion, and both ascending and descending nodes in planetary orbits are meticulously documented.

The star map is observer-centered, providing a perspective that shows northern and southern skies as well as the zenith. It features detailed constellations from both Korean and Western cultures.

Version 1.02 Overview

This iteration showcases a Gregorian calendar format within its comprehensive effective year range. Each day in the month table includes several significant metrics, such as solar day numbers corresponding to Gregorian dates, lunar month/day numbers, sexagenary day units (日辰 or 干支), and star letters representing the 28 mansions (二十八宿). This information has been utilized for over 5,000 years in both Korean and Chinese contexts.

The application also highlights the 24 solar terms along with times for new/full moons, occurrences of eclipses, and floating Julian day numbers for accuracy verification.

Upcoming Features for Android CAL20000

  • Kusung (九星) Calendar and KiMoon (奇門) Calendar data will be included with relevant contextual information available in Korean. Note that this pertains to the period from 1880 to 2055.
  • The application will display decade luck details alongside timing changes, augmented by precise values for celestial stems during each month.
  • Inclusion of Korea Era (檀紀) and Buddha Era (佛紀).
  • Addition of moon orbit data detailing new moons, full moons, first quarters, last quarters, apogee, perigee, ascending node, descending node measurements for specific times—along with Earth-Moon distance metrics and eclipse occurrences.
  • Islamic Year and Month (Hijra) will be integrated.
  • Easter dates will be incorporated.
  • Julian calendar dates will be provided for periods preceding October 1582.
  • Chinese characters will be utilized wherever feasible for clarity among Sinospheric users.

Overview

CAL20000 STAR MAP is a Freeware software in the category Home & Hobby developed by YOUNGCHANG KOH(고영창).

The latest version of CAL20000 STAR MAP is V2.50.00, released on 12/18/2024. It was initially added to our database on 12/18/2024.

CAL20000 STAR MAP runs on the following operating systems: Android.

CAL20000 STAR MAP has not been rated by our users yet.

Pros

  • Provides detailed and accurate star maps for astronomical observations.
  • User-friendly interface suitable for both amateurs and professionals.
  • Includes extensive database of celestial objects.
  • Allows customization of star maps based on date, time, and location.
  • Offers high-quality visualizations for educational and research purposes.

Cons

  • Limited functionalities compared to more advanced astronomical software.
  • May require a steep learning curve for beginners unfamiliar with star mapping.
  • Potentially high cost for full features or updates.
  • Dependence on accurate input data to generate precise star maps.
  • Lacks online update support or cloud integration for real-time data.

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