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App Activity
| Oct 28 '09 | $1.99 -> $.99 |
|---|---|
| Oct 28 '09 | Version 1.2.1 |
| Sep 01 '09 | Version 1.1 |
| Aug 01 '09 | New App: $1.99, v1.0 |
AstronomyCalc
Astronomy Calc is an easy to use calculator for manipulating astronomical distances, dates & times, and coordinates, with many more capabilities coming soon.
Supported Distance Conversions:
- Meters
- Kilometers
- Miles
- Astronomical Units
- Light Years
- Parsecs
Supported Date & Time Systems:
- Local civil time (LCT)
- Local Sidereal Time (LST)
- Greenwich Sidereal Time (GST)
- Universal Time (UT)
- Terrestrial Dynamical Time (TDT)
- Geocentric Coordinate Time (TCG)
- including Julian Date (JD), Modified Julian Date (MJD), and Truncated Julian Date (TJD)
Supported Coordinate Systems:
- Equatorial in Right Ascension (EQ(RA))
- Equatorial in Hour Angle (EQ(HA))
- Horizon (HOR)
- Ecliptic (ECL)
- Galactic (GAL)
Date & Time Features:
- Summary of time in all supported systems
- Calculation of time from an offset
- Conversion of time from one system to another with translation of location
Coordinate Features:
- Conversion of coordinates from one system to another
Solar Calculations:
- Vernal Equinox
- Summer Solstice
- Autumnal Equinox
- Winter Solstice
- Carrington Rotational Number
- Morning Twilight
- Sunrise
- Transit
- Sunset
- Evening Twilight
If you experience any trouble with the application, please visit my website as indicated below, and do not hesitate to send bug reports, enhancement requests, and suggestions via email.
What's new
Adjusted the display of decimal places after seconds down to 1 to allow a larger display of date and time overall. Changed the application name, icon, and opening screen.
Screenshots
 | Screenshot 1 of 5 |  |
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- Last changed:
- Oct 28, 2009
- Category:
- Education
- Developer:
- Mark Hamilton
- Version:
- 1.2.1
- Average Rating:
- 3.50 (5)
- Size:
- 0.6 MB
- Other Apps By This Developer
