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M42 captured with a CMOS camera. ASI224M color version, ASI290MM monochrome camera + near infrared IR filter.In M42, the west of Trapezium is brightest, and I can see subtle colors of green and yellow when viewed at 45 km. In the IR filter image, the stars in the nebula emerge and you can see the difference.11/21/2019 45cm nwetonian.
