Ella, There are lots of

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Nick James

Ella, There are lots of geosynchronous satellites which show up in southern Orion and which can be quite bright near local midnight. The geostationary arc passes below the Horsehead but old, out-of-plane satellites can show up there. These objects trail at around 0.25 deg / minute and appear to move westwards relative to the star background. Here’s an example near M42 from a wider field image.