bayer-masked spectroscopic image reduction package
Project description
Capture, display and convert RAW DSLR astronomical images
This package was developed for astro-spectroscopic student projects at the Dresden Gönnsdorf observatory.
There are method to
- Capture DSLR raw images
- Display raw DSLR images and spectra
- Display fits images and spectra
- Dark and flat correction
- Debayer a 2d into a 3d fits file
Installation
apt-get install gphoto2
pip install algol-bayer
Capture DSLR raw images
Capture and display as histograms
Capture a sequence of DSLR raw images using increasing exposure times and display the images as histogram.
bayer_capture_histograms.sh
Capture and display as spectra
Capture a sequence of DSLR raw images and try to display them as spectra.
bayer_capture_spectra.sh
Capture and display as image
Capture a sequence of DSLR raw images and display them as RGB images.
bayer_capture_images.sh
Display raw DSLR images and spectra
Display raw DSLR image
bayer_display_image --help
Display raw DSLR image as histogram
bayer_display_histogram --help
Display raw DSLR image as spectrum
There is a published paper explaining how this works.
It can be found online or in the docs/article folder.
bayer_display_spectrum --help
Display fits images and spectra
Display fits image as histogram
fits_display_histogram --help
Display fits image as spectrum
There is a published paper explaining how this works.
It can be found online or in the docs/article folder.
fits_display_spectrum --help
Dark and flat correction
An example of how to do this can be found in tests/test_darkflat.py
Create master dark
... or a master-flat-dark from a set of dark images.
fits_create_master_dark --help
Create master flat
... from a master-flat-dark and a set of flat images.
fits_create_master_flat --help
Apply master dark and master flat to light images
fits_apply_darks_and_flats --help
Conversions
Debayer a 2d into a 3d fits file
fits_debayer --help
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