Dark_Noise_Comparison_45F_85F

IMG_0028

Cooling_Sequence_Histograms,gif

Histogram of a sequence of 300s dark frame at ISO 800.
Canon Rebel Xt
Camera was cooled from 85F to 45F

Cooling_Sequence_Histograms_Peaks_Aligned

Histogram of a sequence of 300s dark frame at ISO 800. Canon Rebel Xt Camera was cooled from 85F to 45F In this plot the peaks have been aligned with one another

Dark_29C_300s-001

300s Dark At 29C, ISO 800
Stretch matches -5C frame

Dark_0231_ISO800_300s

300s Dark at -5C, ISO 800

Dark Comparison: -5C, 8C, 29C

Comparison of 300s dark frames taken at -5C, 8C, and 29C