C/2023 A3 Tsuchinshan-ATLAS was discovered in 2023, identified by observers at China’s Tsuchinshan (Purple Mountain) Observatory and an ATLAS (Asteroid Terrestrial-impact Last Alert System) telescope in South Africa.
Aurora Borealis, 10 May 2024
A severe geomagnetic storm could be seen in the evening today! The first of six CMEs hurled toward Earth by giant sunspot AR3664 hit our planet’s magnetic field today.
Giant sun spot AR3664, 9 May 2024
Sunspot AR3664 has grown so large, sprawling almost 200,000 km from end to end. It is 15 times wider than Earth and rivals the great Carrington sunspot of 1859.
Moon Rima Hadley in high resolution, 19 March 2024
Moon craters Copernicus and Eratosthenes, Plato with Montes Alpes and Rima Hadley, a sinuous rille located west of the Apollo 15 landing site at 5600 mm focal length.
Sun in white light, 25 February 2024
Giant sunspot group AR3590 is more than ten times wider than Earth and can be safely viewed through ordinary eclipse glasses. Report coming soon.
Moon craters Clavius and Moretus in high resolution, 15 February 2024
Moon craters in Clavius and Moretus at 5600 mm focal length. Seeing was unfortunalety bad, with some medium-quality moments.
Partial moon eclipse, 28 October 2023
The last moon eclipse until 2028, unfortunately only a partial moon eclipse
Moon and distant objects, 28 May 2023
Observing moon, deep sky objects of the spring night sky and the distant quasar 3C273 together with Gerald and Gisela.
