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28 December 20241 May 2025 Jürgen StögerObserving report

Rosette nebula

The Rosette Nebula is an H II region located near one end of a giant molecular cloud in the Monoceros region of the Milky Way Galaxy. The open cluster NGC 2244 is closely associated withContinue reading

23 November 202424 November 2024 Jürgen StögerObserving report

Comet C/2023 A3 Tsuchinshan-ATLAS

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.

11 May 202411 May 2024 Jürgen StögerObserving report

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.

9 May 20249 May 2024 Jürgen StögerObserving report, Sun

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.

23 March 202423 March 2024 Jürgen StögerMoon, Observing report

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.

25 February 202425 February 2024 Jürgen StögerObserving report, Sun

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.

20 February 20248 March 2024 Jürgen StögerMoon, Observing report

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.

29 October 2023 Jürgen StögerMoon

Partial moon eclipse, 28 October 2023

The last moon eclipse until 2028, unfortunately only a partial moon eclipse

30 June 20231 November 2023 Jürgen StögerMoon, Observing report, Star cluster

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.

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  • Rosette nebula
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