Neptune and Triton
Here is a view of the planet Neptune and the moon Triton (at the 11 o'clock position). Limiting magnitude in this image is around 15.
Tech Specs: Sky-Watcher Esprit 120mm ED Triplet APO Refractor, Canon 6D stock camera, ISO 3200, 5 x 60 second exposures with dark/bias frames, guided using a ZWO ASI290MC and Orion 60mm guide scope. Image date: November 10, 2018. Location: The Dark Side Observatory, Weatherly, PA, USA.