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kbwestfall committed Oct 1, 2021
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1.5.1.dev
---------
1.6.0 (1 Oct 2021)
------------------

- Modifications to reduce header crashes
- Added `image_proc.rst` doc, which includes a table with the primary parameters
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from the tabulated value.
- Whether or not you add the shot noise and a noise floor to the variance
image are now optional and controlled by parameters in ProcessImagesPar.

- Changes to default ProcessImagesPar parameters: use_specillum = False for
all frame types; shot_noise = False and noise_floor = 0 for biases; and
use_overscan=True, use_biasimage=True, noise_floor=0., and mask_cr=True
for darks. Adjustments propagated to individual spectrographs.

- BPM is not recalculated after applying the flat-field correction because
it is not longer changed by that function.

- The code keeps track of the image scaling via the flat-field correction,
and propagates this to the noise model.
- Compute and save a "base-level variance" that includes readnoise, dark
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