Observation by Alan Snook: Comet V2 Johnson

Uploaded by

Alan Snook

Observer

Alan Snook

Observed

2017 May 20 - 22:00

Uploaded

2017 May 23 - 16:36

Objects

C/2015 V2 (Johnson)

Equipment

0.5m f4.1 Dobsonian
17mm & 8mm Ethos eyepieces x120 & x260

Location

Kent

Target name

Comet V2 Johnson

Title

Comet V2 Johnson

About this image

Measuring from my sketch, a faint, diffuse outer coma around the head could be traced out to about 4 or 5 min diameter. The tail is about 13 mins long. No structure was visible in the coma under the higher magnification. There was no colour.

The sky is quite milky in places with drifting patches of high level haze and jet vapour trails. At times I had the impression of a second tail leaving the head at about 7 or 8 o’clock on the sketch, thinner and longer than the obvious dust tail. This would be an ion gas tail. I am not confident enough in the sighting to put it on the sketch.

Files associated with this observation

V2 Johnson 2017 May 20_0.jpg (53.1 kB)

Like this image

Jeremy Shears, Callum Potter, David Swan, David Basey, Graham Winstanley, Denis Buczynski, Peter Carson, Bryssinck Erik

Copyright of all images and other observations submitted to the BAA remains with the owner of the work. Reproduction of work by third parties is expressly forbidden without the consent of the copyright holder. By submitting images to this online gallery, you grant the BAA permission to reproduce them in any of our publications.

Registered charity no. 210769
Registered company no. 117572

For more information including contact details, click here.

Our Terms of Use are here.

Our Privacy Policy is here.