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NGC7000 LUM filter Master Light Frame - 60 X 90s exposures

I used 60 DARKs, 60 flats by filter, 60 Dark Flats for calibration. Calibration, Star Alignment and stacking with PixInsight.

ORION EON 115mm with ASI1600MM-C with 36mm ZWO 7nm Ha, OIII, SII, Lum filters - image capture with Sequence Generator Pro
ORION HDX-110 EQ-G with ORION 70mm/ASI290MM for guiding with PHD2.

There is not evidence of diffraction/interference/reflection patterns seen in the LUM Master Flat that was seen in the NB masters. The LUM seem to have no artifacts.

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