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Contains:  Helix nebula, NGC 7293
Getting plate-solving status, please wait...
Helix in Ha, 





    
        

            Alan
Helix in Ha

Helix in Ha

Technical card

Resolution: 3214x2372

Dates:Nov. 25, 2014

Frames: 30x600"

Integration: 5.0 hours

Avg. Moon age: 3.14 days

Avg. Moon phase: 10.76%

Astrometry.net job: 422361

RA center: 337.406 degrees

DEC center: -20.833 degrees

Pixel scale: 1.591 arcsec/pixel

Orientation: -85.875 degrees

Field radius: 0.883 degrees

Description

Ha
30x600s

Looking at noise, I should have dithered

PI work flow

Dynamic crop
DBE
Noise reduction with ATVW
Deconvolution (PSF, Starmask with convolution; lum mask)
Stretch with HST
Lower black point (HistogramTransformation)
Noise reduction ATVW, ACDNR
LHE
HDRMultiscaleTransform; protect background with mask
Morphological Transformation (morphological selection)
Curves to adjust the background

Comments

Author

torsinadoc
Alan
License: None (All rights reserved)
4572
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Sky plot

Sky plot

Histogram

Helix in Ha, 





    
        

            Alan

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