On 27 Sept., 2024, a new comet having temporary designation A11bP7I (now officially designated as C/2024 S1 ATLAS), was discovered by the ATLAS survey from Hawaii and almost immediately it revealed to likely be...
We continue our long term follow-up program on comet C/2023 A3 Tsuchinshan-ATLAS, while slowly approaching the Sun (perihelion on 27 Sept. 2024). The image above comes from the sigma-clipping combination of six, 300-second exposures,...
After about five months, we imaged comet C/2023 A3 Tsuchinshan-ATLAS again, while slowly approaching its best visibility. Hopefully it will become a bright object later this year. The image above comes from the sigma-clipping...
We spotted again comet C/2023 A3 Tsuchinshan-ATLAS, hopefully becoming a bright one late next year. Here it is our image from last night. The image above comes from the average of five, 180-second exposures, unfiltered,...
Blessed with a very good seeing, we grabbed new images of comet C/2014 Y4 Atlas, spotting its fragments and cloud debris. The image above comes from the average of 88, 60-seconds exposures, remotely taken...
New images of comet C/2014 Y4 Atlas were obtained under good seeing conditions and they show a couple of main fragments and a likely a trailing cloud of debris. The image above comes from...
After one rainy night, we are back on comet C/2014 Y4 Atlas, seeing how its evolved. Several fragments are still visible in the image below. The image above comes from the average of 46,...
Thanks to good weather, we imaged C/2014 Y4 Atlas again and could clearly detect again several fragments, with evident changes in the brightness distribution. Here it is our image. The image above comes from...
After our observations suggesting the presence of fragments in the inner coma of this comet, we imaged C/2014 Y4 Atlas every night. In particular, tonight we observed at least three fragments, telling the comet...
We have been hoping to see comet C/2019 Y4 Atlas putting on a nice show up there later this season. Likely, this will not be the case, unfortunately. It looks like the comet’s nucleus...
We managed to analyze our 7 Apr. 2020 images of comet C/2019 Y4 Atlas, to follow-up the possible disruption event of its nucleus. The images used in the panel above come from the median...
We present a new image of comet C/2019 Y4 Atlas, lookingbrighter and brighter. Le’s hope it will amaze us next months. The image above comes from the average of 16, 300-seconds exposures, unfiltered, remotely...
We continue monitoring comet C/2019 Y4 Atlas, which hopefully will be visible by naked eye next April and May. While we remember that comets are unpredictable, we continue our coverage of C/2019 Y4. The...
Discovered at the end of last year, comet C/2019 Y4 (Atlas) could have a name you will hopefully remember: it could become bright enough in May to put a nice show up in the...
– Asteroid 2020 XR: online observation (3 Dec. 2024)
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