Dr. Richard Gehrenbeck
August 7, 1992: Monthly Meeting
Following Fraunhofer's Footsteps to the Stars
June 6, 1980: Monthly Meeting
The Discovery of the Dark Lines of the Solar Spectrum
March 2, 1973: Monthly Meeting
Sun | Moon | |||
---|---|---|---|---|
Rise | 6:44 | 23:10 | 21.3d | |
Set | 16:21 | 12:35 | 59.3% |