First tracked astrophoto : M42 - Orion Nebula

Sony A77III+Sigma 135mm F1.8 at Bonnie Springs Ranch near Las Vegas. 2x30 seconds (ISO100+ISO640), on astrotracker StarAdventurer (it rotates camera against Earth rotation). Orion Nebula is one of the few deep space objects with brightness range so wide that HDR processing is required.


Click to enlarge:

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