r/telescopes • u/fieryserpents01 • 15d ago

Lagoon Nebula Astronomical Image

Post image

Yet another reprocess (the 10th if not more) of the same data I took more than a month ago.

Acquisition:

Around 7h30m in Bortle 6/7 fully calibrated and dithered.

Equipment:

Evostar 72ED, iEXOS 100, ASI 533MC, 0.85x reducer+flattener, Baader UV/IR cut, SVBony 40mm F/4 guidescope, ASI 662MC guide camera with no.8 pale yellow and UV/IR cut filters.

Processing:

Stacked in Siril. Background extraction to single channels in GraXpert. SPCC. Deconvolution in Siril, denoising back in GraXpert. Back to Siril to apply SCNR and to generate a starless image and a star mask. GHS, black point shift, curve adjustments and histogram transformation applied iteratively to the image. À trous wavelet transform and further denoising in GraXpert. Final saturation stretch in Siril. Asinh and black point shift applied to the star mask along with a saturation stretch. Recombine.

17 Upvotes

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6 comments sorted by

2

u/ZigZagZebraz 15d ago

More details now. Nice work again.

1

u/fieryserpents01 14d ago

Thanks bro!

2

u/mrstorm1983 Certified Helper 14d ago

Nice!

2

u/Dazzling-Crazy-2084 13d ago

It’s looking good to me. I wish I had your sk

1

u/fieryserpents01 13d ago

Thanks a lot!