Monthly Archive: January 2019

Comet 64P/Swift-Gehrels: 4 Jan. 2019

Comet 64P/Swift-Gehrels: an image (4 Jan. 2019)

We did some follow-up observations of comet 64P/Swift-Gehrels, after the sudden changes in its inner coma, which we could confirm yesterday. Here we present our results. The image above comes from the median combination of 39,...

Comet 64P/Swift-Gehrels: 3 Jan. 2019

Comet 64P/Swift-Gehrels: an image (3 Jan. 2019)

On 2 Jan. 2019, a couple of observers reported that comet 64P/Swift-Gehrels showed a sudden change in its inner coma. The day before, our images showed nothing strange, so we scheduled some follow-up observations...

Comet 123P/West-Hartley: 1 Jan. 2019

Comet 123P/West-Hartley: an image (2 Jan. 2019)

We observed comet 123P/West-Hartley again, while it approaches the Sun (perihelion: next 5 Feb.). Here it is our latest image. The image above comes from the average of three, 300-seconds exposures, unfiltered, remotely collected with the...

Comet 64P/Swift-Gehrels: 1 Jan. 2019

Comet 64P/Swift-Gehrels: an image (1 Jan. 2019)

We started the new year under a truly excellent sky, imaging comet 64P/Swift-Gehrels. Here we share what we saw. The image above comes from the average of six, 300-seconds exposures, unfiltered, remotely collected with the...

Comet 60P/Tsuchinshan: 2 Jan. 2019

Comet 60P/Tsuchinshan: an image (2 Jan. 2019)

Comet 60P/Tsuchinshan orbits the Sun with a period of 6.56 years. Its last perihelion passage happened on 11 Dec. 2018. We are pleased to share with you this image. The image above comes from the sigma...

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