Category: comets

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...

Comet 46P/Wirtanen: 26 Dec. 2018

Comet 46P/Wirtanen: a new image – 26 Dec. 2018

We continue following up comet 46P/Wirtanen, still a great sight up there. We are pleased to share with you our latest image. * NB: versione in Italiano qui * The image above comes from the average of...