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The description on Wikipedia simply says "624 Hektor and its moon Skamandrios as imaged by the Keck Observatory in 2006."

I'm assuming the circled object is Skamandrios and the glowing bit in the center is Hektor, but what is the black circle behind it and the orange glow behind that? It almost looks like an eclipse but Hektor is an asteroid near Jupiter and from Earth's perspective Jupiter is never between us and the Sun so it can't be Jupiter blocking the Sun.

I feel like this should be obvious but it's bothering me way more than it should.

https://www.indiatoday.in/science/story/isro-gslv-f17-eos-05-launch-september-4-2026-2986214-2026-09-04

ISRO’s GSLV-F17 successfully lifted off today, September 4, 2026, carrying EOS-05, an advanced Earth-observation satellite. The launch took place at 2:55 AM IST from Satish Dhawan Space Centre, Sriharikota, and the mission successfully placed EOS-05 into its intended orbit.

What makes this mission especially interesting is that EOS-05 is India’s first imaging satellite from geosynchronous orbit, opening up new possibilities for Earth observation and high-resolution imaging.