Dean W. Armstrong:
bubble nebula
Dean W. Armstrong:
mirach's ghost
Dean W. Armstrong:
uranus
Dean W. Armstrong:
andromeda2
Dean W. Armstrong:
Moon, icicles, red light
Dean W. Armstrong:
Moon, icicles, red light
Dean W. Armstrong:
Moon, icicles, red light
Dean W. Armstrong:
Moon Mosaic
Dean W. Armstrong:
leo1 galaxy
Dean W. Armstrong:
42-ori
Dean W. Armstrong:
m77 - Messier 77 galaxy in Cetus
Dean W. Armstrong:
Full moon rising, University of Chicago
Dean W. Armstrong:
aurora in Iceland
Dean W. Armstrong:
Fog at Yerkes
Dean W. Armstrong:
jupiter-2
Dean W. Armstrong:
IMG_1080
Dean W. Armstrong:
IMG_1088
Dean W. Armstrong:
Aurora from Celina, OH
Dean W. Armstrong:
Aurora from Celina, OH
Dean W. Armstrong:
Annular solar eclipse, projected
Dean W. Armstrong:
Annular solar eclipse, projected
Dean W. Armstrong:
Annular solar eclipse
Dean W. Armstrong:
Annular solar eclipse
Dean W. Armstrong:
Annular solar eclipse
Dean W. Armstrong:
Annular solar eclipse
Dean W. Armstrong:
Annular solar eclipse
Dean W. Armstrong:
Annular solar eclipse
Dean W. Armstrong:
Annular solar eclipse
Dean W. Armstrong:
Annular solar eclipse
Dean W. Armstrong:
Annular solar eclipse
