Atmospheric Transmission

Electromagnetic Spectrum

Electromagnetic Spectrum#2

M5 CMD

HR Diagram

CCD images

SBIG spectra

Supernova page

PSF comparison

Aberration

Airy Disk

Binary Airy Disk

undersampled image

oversampled image

Bothun's CCD primer

Reducing CCD Images

CCD Reductions

ximage

Multiwavelength Milky Way

Life Cycle of the ISM

Life Cycle of the ISM #2

Phases of the ISM

Phases of the ISM#2

H II Regions

H II spectrum

Galaxy scales

Dust Effects

Interstellar absorption

spin flip

21 cm spectrum

O VI Spectrum

Astronomy units

Kurucz models #1

Kurucz models #2

Digitized Spectra