Astronomy Calculators Changelog
What's new in Astronomy Calculators 2.0
Sep 8, 2011- Visual interfaces on most of the calculators.
- Many more calculators available, such as date converters, sunrise/sunset and ephemeris calculators.
- Live data options allow you to download images of the auroral ovals, the Sun in various wavelengths and current satellite ground tracks without the need for a browser.