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Contains:  Owl nebula, M 97, NGC 3587
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Messier 97, 





    
        

            Daniel.P
Messier 97

Messier 97

Technical card

Resolution: 3040x2024

Dates:Dec. 24, 2014Dec. 28, 2014

Frames:Hutech IDAS LPS-V4 : 7x600" -10C bin 1x1

Integration: 1.2 hours

Flats: ~9

Bias: ~20

Avg. Moon age: 4.89 days

Avg. Moon phase: 27.40%

Mean SQM: 19.90

Mean FWHM: 3.10

Astrometry.net job: 1161514

RA center: 168.697 degrees

DEC center: 54.992 degrees

Pixel scale: 0.759 arcsec/pixel

Orientation: 97.783 degrees

Field radius: 0.385 degrees

Locations: SNB, Saint Nom La Breteche, Yvelines, France

Description

Pre-processing done in Pixinsight :
- overscan area offset correction
- bias correction
- flat correction
- hot pixel correction
- debayer
- registration
- stack
Processing done in Pixinsight :
- color calibration using nebulae
- residual sky background substraction
- green neutral
- sélective color sat applied
- convertion to non linear image

Final image :
- jpeg calibration done in Mac Photo

Comments

Author

Daniel.P
Daniel.P
License: None (All rights reserved)
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Messier 97, 





    
        

            Daniel.P