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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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