21p 20180913 0154 pabel

BT homeMailNewsSportFind and Watch TVWeatherLifestyleMoneyTech & GadgetsVideosHelpMy BT Yahoo UK & Ireland Mail BT Home ??DENIS ? Help Press ? for Keyboard Shortcuts. Close ad Mail Contacts Calendar Notepad Yahoo! Groups Fwd: Comet 21P People Martin Mobberley Today at 20:29 To denis buczynski Message body Hi Denis, Couldn't see your name on Paul's mail list so have forwarded his message. Martin -------- Forwarded Message -------- Subject: Comet 21P Date: Thu, 13 Sep 2018 19:00:13 +0000 (UTC) From: Paul Abel To: Guy Hurst , Martin Mobberley , Chris Go , Tom Kerss , Sean Walker , ALPO Japan Toshihiko-Ikemura , Nick James , Doug Daniels , Mark Kidger , Damian Peach , Pete Lawrence , Bill Leatherbarrow , Richard MCKIM , Ian Sharp , Kevin McNulty , Bill Sheehan , Jeremy Shears , Mark Parrish , Alan Friedman , Brian Colville , Timothy J (3223) Parker , Cristian Fattinnanzi , Nick James Hi all, I waited up for 21P/Giacobini-Zinner last night- by 0154UT it was at a reasonable height above the observatory. I made two drawings, one at x25 and another at x111. There was a little mist present and transparency was probably less than average, as a result the comet appeared to have a low surface brightness. At x25 the nucleus was visible and the tail was just detectable. At x111 more structure was visible in the tail and nucleus. Recent images show the comet has a greenish tint but I was unable to detect this, visually it appeared a bluish white colour. Best wishes, -Paul ----- Dr. Paul G. Abel, Department of Physics & Astronomy, University of Leicester, University Road, Leicester UK, LE1 7RH. Download C21P 2018 09 13 0154UT Visual PAbel .jpg

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