My image shows a unique constellation, comet C/2022 E3 (ZTF) and comet C/2022 U2 (ATLAS), which was discovered in October 2022. Also, a satellite is lighting up. E3 (ZTF) now only shows a faint, downward-pointing tail of gas, but also
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Comets C/2022 E3 (ZTF) and C/2022 U2 (ATLAS)
Comet 2022 E3 (ZTF)
We will see a rare visitor from the edge of the solar system in the sky in January and February 2023, comet 2022 E3 (ZTF). It was discovered at the beginning of 2022 and is now greeting us on its
Read moreMars orbiting our Moon
Mars appears to be orbiting the moon. Yesterday there was this rare constellation in the evening sky, with Mars orbiting quite close to the moon. My photo shows 67 superimposed images of 1/500 duration, taken 1 minute apart. Passing clouds
Read moreAbell 85
Abell 85 is the remnant of a supernova explosion, which hovers in the night sky at about the size of a full moon and is extremely faint. In the centre of it lies a galaxy cluster with around 500 galaxies,
Read moreHeart and Soul Nebula – IC1805 and IC1848
Two nebulae shine in the winter evening sky, the Heart and Soul Nebula. Both are framed by the two open star clusters h- and Chi-Persei (bottom right) and by two slightly greenish shimmering planetary nebulae (top left). Heart and Soul
Read moreMoon Halo
Rarely, but every now and then, the moon is framed by a beautiful halo. Ice crystals in the upper atmosphere refract the moonlight, creating the beautiful, round circle around the moon.
Read moreDIY Construction of a Mini Clamshell Astro Dome
After many hours of designing, printing, assembling and optimizing, my little mini dome has been in operation since the summer 2022. The dome has a diameter of about 50 cm. It is equipped with a Skywatcher AZ-GTi Goto mount, cooled
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