Astronomical observatories

University of Denver physics professor Herschel Neumann and Womble chair of astronomy Robert Stencel hold a "Happy Anniversity" sign in front of Chamberlin Observatory on the campus of the University of Denver in Denver, Colorado, to celebrate the observatory's 100th anniversary in 1993.

Chancellor Ross Pritchard holds a certificate during a ceremony on the steps of Chamberlin Observatory on the campus of the University of Denver in Denver, Colorado celebrating the Observatory's admission to the National Register of Historic Places.

Exterior view of Chamberlin Observatory on the campus of the University of Denver in Denver, Colorado, largely obscured by bushes.

Exterior view of the University of Denver's Chamberlin Observatory in Denver, Colorado.

University of Denver student Nancy Mossman looks through a sextant while sitting on the steps of Chamberlin Observatory on the campus of the University of Denver in Denver, Colorado.

Exterior view of Chamberlin Observatory on the campus of the University of Denver in Denver, Colorado

2 black and white contact sheets without negatives depicting the ceremony for Chamberlin Observatory on the campus of the University of Denver in Denver, Colorado being added to the National Register of Historic Places.

6 sets of black and white negatives with contact sheets with images of Chamberlin Observatory on the campus of the University of Denver in Denver, Colorado.

Set of black and white negatives with contact sheet depicting restoration work on the dome of Chamberlin Observatory on the campus of the University of Denver in Denver, Colorado in 1997.

Exterior view of Chamberlin Observatory on the campus of the University of Denver in Denver, Colorado.