Night Sky Photography and Notes by Thor Olson

Home Notes HDR

High Dynamic Range Astronomical Imaging

Various projects toward this goal... High Dynamic Range Astronomical Imaging

paper presented at CIC-15, Albuquerque NM, 2007
.pdf (500k)

Powerpoint presentation of above

(speaker notes contain presentation script)
.ppt (15MB) HDR Gallery

HDR processing steps

summary/flowchart Some HDR sample files

try your own hand at finding the best tonal mapping High Dynamic Range Astrophotography

a preliminary notebook of work, presented at MAS imaging workshop, April 2007 Noise in Canon EOS20Da

a notebook containing some noise measurements and observations in this camera model.

Thor Olson
mailto: thor(at)