Martin Mašek
@cassi-astronomy.bsky.social
Avid observer of comets, asteroids, variable stars and DSO. Geography and geology enthusiast. Comet discoverer.
Minor planet 9841 and comet C/2024 Y1.
Minor planet 9841 and comet C/2024 Y1.
Thanks for clarifying!
October 25, 2025 at 8:59 AM
Thanks for clarifying!
According to MPC database, the last observation of C/1984 U1 is from 1991 11 02: www.minorplanetcenter.net/db_search/sh...
IAU Minor Planet Center
We are the official body that deals with
astrometric observations and orbits of minor planets (asteroids) and comets.
www.minorplanetcenter.net
October 24, 2025 at 8:33 PM
According to MPC database, the last observation of C/1984 U1 is from 1991 11 02: www.minorplanetcenter.net/db_search/sh...
The chateau in Žamberk (Senftenberg) and the castle garden, where the observatory stood from which Brorsen discovered two comets, C/1851 P1 and C/1851 U1. A nice place to visit, the garden is freely accessible. The chateau currently houses a secondary school.
October 22, 2025 at 5:42 PM
The chateau in Žamberk (Senftenberg) and the castle garden, where the observatory stood from which Brorsen discovered two comets, C/1851 P1 and C/1851 U1. A nice place to visit, the garden is freely accessible. The chateau currently houses a secondary school.
Thank you Maik!
October 1, 2025 at 7:37 PM
Thank you Maik!
Any information about the visual prediscovery of comet C/1978 T1? Was K. Cernis unaware when he observed it visually before oficial discovery?
October 1, 2025 at 6:49 PM
Any information about the visual prediscovery of comet C/1978 T1? Was K. Cernis unaware when he observed it visually before oficial discovery?
Very nice image, Terry!
September 15, 2025 at 3:06 PM
Very nice image, Terry!
Discovered in USA? Shouldn't it be France? :-)
September 12, 2025 at 10:11 PM
Discovered in USA? Shouldn't it be France? :-)
Reposted by Martin Mašek
Here is some more images from Cordoba.
September 11, 2025 at 5:59 AM
Here is some more images from Cordoba.
C/2025 A6 instead K6 :-)
September 7, 2025 at 10:38 PM
C/2025 A6 instead K6 :-)