Volume 116, No.6: 2006 December
Detailed contents: Notes and News / Articles / Observers' Forum / Reviews / Letters / Meetings / BAA Update
NGC 2264, the open cluster called the Christmas Tree by the American writer Leland S. Copeland, lies in the constellation of Monoceros amid a vast area of nebulosity, well captured in this image by Gordon Rogers of Long Crendon, Bucks. Takahashi FSQ106 on 16-inch RCOS on Paramount mounting, guided by SBIG ST-8 CCD camera with AO-7 adaptive optics. Image acquired through SBIG ST-10 CCD camera. The exposures were 100 minutes H-alpha and 15 minutes RGB on the night of 2005 December 27. See the article by Stewart Moore on p.339.
From the President (Richard Miles ) / IDA 'Galileo' award presented to Bob Mizon (Richard Miles) / Venus western elongation 2006, and the Venus Express mission (Richard McKim ) / New definitions for solar system bodies (Roger Dymock) / Solar Section (Lyn Smith) / Aurora Section (Dave Gavine) / 50th anniversary celebrations of Dundee Astronomical Society (Dave Gavine) / Comet prospects for 2007 (Jonathan Shanklin) / The OJ287 observing campaign hots up (Gary Poyner) / Good prospects for the Geminids in December (Neil Bone)
Photo: an ultraviolet image (365nm) of the Venus southern hemisphere, taken from ESA's Venus Express on 2006 May 15
Photo: George Calver (1834-1927), aged about 80.
Click here to obtain a PDF file of any of these articles
[Images of Hubble's Variable Nebula by Nigel Bryant, Martin Morgan-Taylor & Jeremy Shears]
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The Journal of the British Astronomical Association
On the cover: NGC 2264: the Christmas Tree cluster
Notes and News
Refereed articles
BAA instrument no. 93 ... R. A. Marriott
Instrument no. 93 has been in almost continual use for more than a hundred years. Since it left the workshop of its maker, George Calver, it has kept company with several other notable instruments and has been used by many eminent astronomers. It was added to the Association's collection in 1945.
The Leonid meteor shower in 2000 ... N. M. Bone
Performance of a fibre-optic coupled, high-resolution spectrograph with CCD camera recording of solar Ha and Hß absorption spectra ... David Airey
CCD photometry and visual observations of V1663 Aql (Nova Aquilae 2005) ... David Boyd & Gary Poyner
Centenaries for 2007 ... Barry Hetherington
BAA Update
Letters
Observers' Forum
Meetings
Sky notes for 2006 December & 2007 January
  by Neil Bone