License etc. - Starry Night PDF
- 2022.12.11 Resolved PHP version upgrade issue.
- 2021.12.04 Chenge function to display the constellation line and name.
- 2021.08.21 Re-create star data file. Corrected some of star names.
- 2021.08.14 Deleted 3 skylines (Country, City, Seaside)
- 2021.08.08 Corrected the constellation name.(Camelopardalis, Corona Australis)
- 2021.08.07 Minorly modified the function to plot planets and comet.
- 2020.08.23 Improveed the function to plot planets. Corected the function to plot comet.
- 2020.08.16 Corected the fumula of moon age. Corrected the formula for calculating the number of days from J2000.0. Corrected a mistake in the formula of position the Moon.
- 2020.07.26 Add world cities to the where dropdown list.
- 2015.01.03 Delete twitter page.
- 2013.08.15 Lounch
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Star Chart:Starry Night PDF ( hoshifuru.jp )
Please Email to pr[at]hoshifuru.jp
2015.01.03 Delete statement about twitter page.
- Star Catalog
- Constellation Lines
- Milky Way
- Constellation Name
- Famous Star Name
- How to calculate the positions of the Sun,Moon and Local Sidereal Time
- How to calculate the positions of the Planets
- How to calculate the positions of the Comets
- Major Meteor Showers
- Longitude, Latitude, Time Zone
- Star Shape
- PHP version upgrade