Uranus and its two moons Titania and Oberon with my ZWO Seestar S50 smartscope. (morrienz)

Contains: Solar system body or event

Uranus and its two moons Titania and Oberon with my ZWO Seestar S50 smartscope.

For a bit of fun, and not expecting much of a decent result, I thought I'd try a planet image with my Seestar. Uranus and two of its moons, Titania and Oberon. A stack of 10 x 10 sec exposures, with the Seestar's stacked image processed in Pixinsight and Photoshop Elements to sharpen and denoise the image, remove a large/bright halo artifact around Uranus that was in the original image, and label the planet and its moons. This image is heavily cropped/enlarged to just show the central part of the original Seestar image. Shot from a bortle 7 city sky in central Auckland, New Zealand.

I'm very happy with how this has turned out for such a small 50mm aperture and tiny 250mm focal length, with Uranus and its moons 2.78 billion kms distant from us and the light from them taking 2.5 hours to reach us. The two moons are both only about 1500kms in diameter, about 1/10th of earth's diameter. Uranus is about 4x earth's diameter. Normally I would only do planetary imaging with my large C11 Edge HD SCT scope and 1.5x magnifying barlow lens at a much larger 11 inch/280mm aperture and focal length of 4200mm, shooting video rather than still exposures and doing "lucky imaging".

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Uranus and its two moons Titania and Oberon with my ZWO Seestar S50 smartscope.

Uranus and its two moons Titania and Oberon with my ZWO Seestar S50 smartscope.

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Uranus and its two moons Titania and Oberon with my ZWO Seestar S50 smartscope.

Uranus and its two moons Titania and Oberon with my ZWO Seestar S50 smartscope.

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