Naked eye sky v19.6.29 www.grelf.net Move the chart by dragging with mouse or 1-finger touch
This program was first written in Java around 2011 when I was developing a talk to give to photographers to try to interest them in doing astrophotography. There are about 5,000 stars visible to the naked eye in an unpolluted night sky. The data for these stars come from the Hipparcos mission of the European Space Agency (ESA) in the 1990s. The data are freely available on a web site of the University of Strasbourg. I have processed the data to extract just those stars brighter than magnitude 6.5.