C/2015 F4 (Jacques)

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Christian Buil
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Joined: Mon Sep 26, 2011 6:59 pm
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C/2015 F4 (Jacques)

Post by Christian Buil »

Jacques comet from Pic du Midi observatory (60 cm F/3.5 telescope + Alpy600). Observers: Valérie Desnoux, Christian Buil :

Image

Apparent spectrum:

Image

After solar spectrum division:

Image

(note UV CN band)

Christian
Paolo Berardi
Posts: 578
Joined: Thu Sep 29, 2011 10:51 pm

Re: C/2015 F4 (Jacques)

Post by Paolo Berardi »

Christian, Valerie... always on top! ;)
Very nice spectrum of a faint (for spectroscopy) comet! In the reflectance spectrum the CN 3875 and C3 around 4050 A bands are clearly visible. Perhaps also the bandhead of C2 at 5165 A. The comet is active!

Paolo
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