TSS Processing Challenges

West of Sadr

Data submitted by David @Jock In Ireland for the January 2025 TSS Processing Challenge.

Another great summer region in Cygnus with the Clamshell, the North America and the Pelican Nebulae. Its nearly 7 hours with a Samyang 135mm lens, an ASI2600mc camera and the L-ultimate filter.

.fit file processed in PixInsight.

Auto Background Extract.

Masked Stretch.

Curves to lift the nebula colours and saturation.

UnsharpMask.

The Monkey Head Nebula

NGC 2174 

Data submitted by David @Jock In Ireland for the TSS December 2024 Processing Challenge. 

Ha, S2 and O3 .xisf files processed in PixInsight.

Auto Background Extract on each file.

StarNet2 on each.

Curves on the Starless file to lift the nebula and darken the background on each.

Curves on the Star Mask to reduce the stars and match the background shade.

Recombined with PixelMath.

Combined as SHO with RGB Combine.

StarNet2 on SHO.

Curves on the Starless file to reduce the green and lift the red and blue and further reduce the background.

Curves on the Star Mask to reduce the stars.

Recombined with PixelMath.

Curves on the combined image to darken. 

UnsharpMask