Author: Luca Zanini
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Moon
I post some photos of the Moon taken on the night of September 4, 2025. The first photo shows the southwest quadrant of the Moon; at the top left there is Palus Epidimiarum, a flat area crossed by numerous rime slopes, to the right, on the terminator line, there is Schickard crater (227 km in…
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A supernova in NGC 7331
SN 2025rbs is a Type Ia supernova (a binary system) discovered on July 14, 2025, in the spiral galaxy NGC 7331, in the constellation Pegasus, at a distance of approximately 45 million light-years from Earth.
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NGC 6992
NGC 6992 is one of the brightest portions of the Veil of Cygnus, a large supernova remnant located in the constellation Cygnus, an estimated 1,200–5,800 light-years from Earth.The explosion that generated it dates back approximately 10,000–20,000 years, and the interaction of the shock wave with the interstellar medium produced filaments of ionized gas.The photo was…
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NGC 6888
NGC 6888, also known as the Crescent nebula, is an emission nebula in the constellation Cygnus, about 5000 light-years from Earth.It is formed by the stellar wind from the Wolf-Rayet star WR 136 (HD 192163), the brightest star at its center, colliding with the slower wind expelled by the star when it became a red…
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