It was taken with a Canon 6D + Tamron 600mm lens on a star adventurer tracker with some active guiding via a guidescope camera. Pretty basic setup for astrophotography :)
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Here you can see where to find it in the night sky (assuming you find the Orion constellation): https://www.go-astronomy.com/images/constellations/Orion.jpg
M42 is what the picture is of. Easy to find but hard (impossible?) to see without a camera.