ISS Lunar Transit - 2018Mar03 (Frederick Steiling)

Contains: Solar system body or event

ISS Lunar Transit - 2018Mar03

Link: https://fuzzy.photos/astrophotos/68-iss-lunar-transit-2018mar03

ISS Lunar Transit - 2018Mar03

Link: https://fuzzy.photos/astrophotos/68-iss-lunar-transit-2018mar03

This is an early attempt I made at an ISS transit of the moon while the ISS was in the Earth's shadow, and I am really pleased with the result.

For acquisition, I took a 320" luminance video split across the transit time with the goal of extracting the ISS frames individually, and using the rest of the frames for the surface luminance stack. RGB filtered videos were taken directly afterwards. The surface composition was processed as I normally would, with individually stacked L, R, G, and B videos, subsequently combined in processing to generate the final image. 17 ISS frames were extracted from the original luminance video. I selected my favorite frame (the 6th) as the ISS position to be retained in the final photo. I aligned the other 16 shadows to it, and performed an "average" integration with no pixel rejection. After sharpening the resulting shadowed ISS, I used a Photoshop selection and layer blend to expose the stacked ISS over the processed RGB surface.

I'm excited to try this again when the opportunity arises. I'd love to throw some additional magnification on it with a PowerMate and see what I can do better.

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ISS Lunar Transit - 2018Mar03

ISS Lunar Transit - 2018Mar03

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