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Contains:  IC 5070, IC 5068, The star 63Cyg, The star ξCyg, The star 60Cyg, The star 59Cyg, The star νCyg, The star 57Cyg, The star 56Cyg, The star 55Cyg, The star Deneb (αCyg)
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North America Nebula & Pelican Nebula in "HA-LRGB" ?, 





    
        

            Marcus Wögerer
North America Nebula & Pelican Nebula in "HA-LRGB" ?

North America Nebula & Pelican Nebula in "HA-LRGB" ?

Technical card

Resolution: 2896x4339

Dates:Aug. 27, 2016

Frames:
Castell Ha 30nm: 22x180"
Baader L 31mm (UV & IR cut): 22x180" ISO800

Integration: 2.2 hours

Avg. Moon age: 24.63 days

Avg. Moon phase: 24.82%

Temperature: 10.00

Astrometry.net job: 1293765

RA center: 313.318 degrees

DEC center: 44.143 degrees

Pixel scale: 8.126 arcsec/pixel

Orientation: 178.032 degrees

Field radius: 5.888 degrees

Locations: Stuhleck, Spital am Semmering, Steiermark, Austria

Description

Several times I tried to get a nice result using HA data together with RGB data.
Using red channel HA data, or mix it with original RED channel.
It was never really better compared to RGB or the B&W version of the HA.
Always some color problems.

But this time I am much more happy with the result, by stacking B&W of HA and the RGB in PS and "multiply" the two APs.
Is works like a mask. The RGB is masked in luminace from the HA B/W AP !
That is a kind of logical "AND" of both.

Using the color of RGB and the "product" of RGB-lum and HA-lum for Luminace.
The result is a sharper picture with high contrast.
Better compared to RGB only or HA only in my opionion.

VERISON B: shows the influence from RGB to HA-LRGB methode.

WOULD YOU CALL THIS A "HA-LRGB", or what is it ???? Feedback appreciated !

Comments

Author

Marcus1968
Marcus Wögerer
License: None (All rights reserved)
4152
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Revisions

  • Final
    North America Nebula & Pelican Nebula in "HA-LRGB" ?, 





    
        

            Marcus Wögerer
    Original
  • North America Nebula & Pelican Nebula in "HA-LRGB" ?, 





    
        

            Marcus Wögerer
    B

Sky plot

Sky plot

Histogram

North America Nebula & Pelican Nebula in "HA-LRGB" ?, 





    
        

            Marcus Wögerer