Crescent Nebula, gorgipark

Crescent Nebula

Crescent Nebula, gorgipark

Crescent Nebula

Equipment

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Acquisition details

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Description

Frames : 7 x Ha x 12 min, 1 (duplicated 4 times) x OIII x 15 min

Used formula iif(OIII > 0.5, 1-(1-HA)*(1-(OIII -0.5)), HA*(OIII +0.5)) to make synthetic green (from http://lightvortexastronomy.blogspot.com/2013/03/tutorial-nebulae-pixinsight-guide-for.html)

Palette mix : R = Ha, G = synthetic Green, B = OIII)

Comments

Histogram

Crescent Nebula, gorgipark