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
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Mars orbiting our Moon
Abell 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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