Summer Star Parties June–September
Solar Eclipse August 21
RASC Sesquicentennial 2018
Mars, as seen on 1892 August 22 in a 3-inch achromatic telescope. Sketch by Andrew Elvins.
Mars 18920822
Summer Star Parties June–September
Solar Eclipse August 21
RASC Sesquicentennial 2018
Mars, as seen on 1892 August 22 in a 3-inch achromatic telescope. Sketch by Andrew Elvins.