M81/M82 Widefield with IFN This is just shy of 30 hours of…
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M81/M82 Widefield with IFN
This is just shy of 30 hours of integration with an Askar SQA55 and a Canon EOS 7DMK II (ISO1600, 60 second exposures), from Bortle 5. I am using my Skyguider Pro as mount and manual framing was tricky, though tracking was mostly fine with a good PA. Processed in Siril and PI:
* Calibrated with darks, flats and biases
* Spectrophotometric Color Calibration
* Applied color correction matrix
* GraXpert for gradient removal, followed by BlurX and DeepSNR
* Initial Arcsinh stretch
* Removed the stars and used masks+curves to bring out the IFN (also reduced the saturation on the background a bit)
* Added the stars back and did some final adjustments with curves
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This is just shy of 30 hours of integration with an Askar SQA55 and a Canon EOS 7DMK II (ISO1600, 60 second exposures), from Bortle 5. I am using my Skyguider Pro as mount and manual framing was tricky, though tracking was mostly fine with a good PA. Processed in Siril and PI:
* Calibrated with darks, flats and biases
* Spectrophotometric Color Calibration
* Applied color correction matrix
* GraXpert for gradient removal, followed by BlurX and DeepSNR
* Initial Arcsinh stretch
* Removed the stars and used masks+curves to bring out the IFN (also reduced the saturation on the background a bit)
* Added the stars back and did some final adjustments with curves
#space
source
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