![A3G3](https://domes.vaticanobservatory.va/wp-content/uploads/2022/03/A3G3.png)
The Marquis de Mauroy
The meteorite collection at the Vatican exists today due to the efforts of Adrien-Charles, Marquis...
Spectral Lines
The spectral lines of pure iron, shown above, give an idea of the complexity of the task of...
Spectra Laboratory
The spectra laboratory was located in a large room on the first floor of the Papal Summer Palace,...
Gizmo
This device, manufactured by Zeiss, was used to make the precise measurement of the positions of...
Spectrochimical Acta
In 1939, Gatterer and his colleagues founded a journal, Spectrochimical Acta, to report their work...
Domes on the Papal Palace
With the move to Castel Gandolfo, two new Zeiss telescopes were constructed on the roof of the...
Zeiss Visual Telescope
The “Visual” telescope is a Zeiss 40 cm refractor; this design allowed for high magnification of...
Zeiss Double Astrograph
The principal instrument of the observatory, the Zeiss Double Astrograph, was located in a...
The Green Flash
In the mid 1950s, observatory director Fr. Daniel O’Connell SJ and Br. Karl Treusch SJ (see photo...
Workshop on Stellar Populations
In 1957 the Pontifical Academy of Sciences and the Specola Vaticana co-sponsored a workshop on the...