Wonky Astronomer

@wonkyastronomer.bsky.social

Amateur astronomer, owner of Hazelbrook Observatory (a dome in my back yard). Asteroid occultation observer.

Comet C/2024 G3 ATLAS photographed about one hour after sunset tonight from West Beach, located near Adelaide in South Australia. Despite the twilight conditions, many passersby were able to see the comet with just their eyes. Exposure: 1x10sec Equipment: skymaps.com/ir0/ Credit: Kym Thalassoudis

The image shows a comet with a long arching tail set against a colourful twilight sky featuring red, orange, pale blue and dark blue colours.

An animation showing how Io's specular highlights change with changing viewing geometry. The illumination geometry is constant. The highlights are rendered using a preliminary illumination model - the specular reflections are based on the Phong specular reflection model. vimeo.com/914591010

Io specular reflections

An animation showing how the specular highlights on Jupiter's satellite Io vary when the viewing geometry changes. The illumination geometry is constant. The…

vimeo.com