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Tuesday 1 March 2016

[BAA-ebulletin 00904] Advance Notice for the Summer Meeting on 2nd July 2016 in York

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BAA electronic bulletin
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We are delighted to let you know that the Summer Meeting on Saturday July
2nd 2016 will be in York,  Priory Street Centre, 15 Priory Street, York,
YO1 6ET. Full details are now available on the BAA web page with all the
details for the day.

There will be an entry charge of £5 for BAA members, members of BAA
affiliated societies, and under 16s. The entry charge for non-members will
be £7.50. This includes refreshments throughout the day, but does not
include lunch.

The venue is close to York city centre, and there are lots of eating places
nearby which serve sandwiches, snacks and hot food.

The programme line up is: -

Dr Simon Dye, Nottingham:  *Weighing Galaxies and Clusters 'using
gravitational lensing'*

Prof. Sean Paling:
*Deep Underground Science at Boulby Mine: The Search for Dark Matter &
Beyond…*
Dr Rita Tojeiro, St Andrews:  *'Mapping the Universe: from bright stars to
dark energy'*

Dr Giles Hammond, Glasgow: *Advanced LIGO & Gravitational Wave Astronomy*

Mr Harley Katz, Cambridge: *Galaxy Formation and Evolution - Theory vs.
Observation*


* Details may be subject to alteration.*
If you are considering coming for an extended stay in York we recommend
booking into one of the many hotels or B&B as soon as possible because York
is popular with tourists.

We look forward to seeing you in York

John Mason and Hazel Collett
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*Dr John Mason - Organiser and Hazel Collett*
*Meetings Secretary For the British Astronomical Association*
*Burlington House*
*Piccadilly*
*London*
*W1J 0DU*
*Tel: 07944 751277*
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BAA-ebulletin mailing list visit:
http://lists.britastro.org/mailman/listinfo/baa-ebulletin
(c) 2016 British Astronomical Association    http://www.britastro.org/
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-- 
Good Clear Skies
--
Astrocomet
--
Colin James Watling
--
Various Voluntary work-Litter Picking for Parish Council (Daytime) and also a friend of Kessingland Beach (Watchman)
--
--
Real Astronomer and head of the Comet section for LYRA (Lowestoft and Great Yarmouth Regional Astronomers) also head of K.A.G (Kessingland Astronomy Group) and Navigator (Astrogator) of the Stars (Fieldwork)
--
Lyra Main Website: http://www.lyra-astro.co.uk/

[BAA-ebulletin 00903] Nacreous clouds - again!

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BAA electronic bulletin
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The upper atmospheric conditions that gave rise to the display of stratospheric clouds at the beginning of February look set to return at the end of the month. Last time whilst some of the clouds showed the "nacreous" or "mother-of-pearl" forms, the majority appeared like thin stratocumulus, a normal form of quiet weather cloud.  The difference however was that the stratospheric clouds remained relatively bright long after normal stratocumulus would have turned dark at sunset.  The clouds might be seen from northern Scotland from February 27, and later from southern England until perhaps March 1.  The current forecast weather conditions favour Scotland seeing the clouds before sunrise on February 28, with southern England seeing them after sunset the same day.  The rest of the time it may be too cloudy with lower level clouds.

There are plenty of pictures of the clouds on the web, eg http://www.bbc.co.uk/news/in-pictures-35462395 though virtually all these show the spectacularly coloured form, rather than the generally colourless diffuse form.

Jonathan Shanklin
BAS Fellow
British Antarctic Survey, Madingley Road, Cambridge CB3 0ET, England
======================================================================
BAA-ebulletin mailing list visit:
http://lists.britastro.org/mailman/listinfo/baa-ebulletin
(c) 2016 British Astronomical Association    http://www.britastro.org/
======================================================================

-- 
Good Clear Skies
--
Astrocomet
--
Colin James Watling
--
Various Voluntary work-Litter Picking for Parish Council (Daytime) and also a friend of Kessingland Beach (Watchman)
--
--
Real Astronomer and head of the Comet section for LYRA (Lowestoft and Great Yarmouth Regional Astronomers) also head of K.A.G (Kessingland Astronomy Group) and Navigator (Astrogator) of the Stars (Fieldwork)
--
Lyra Main Website: http://www.lyra-astro.co.uk/