Search found 52 matches

by LeoLion
Mon Mar 12, 2012 2:26 pm
Forum: Observing
Topic: Northern Preston Guild Lights
Replies: 4
Views: 1285

The lady artist involved with the display is Yvette Mattern http://ymattern.wordpress.com/ and it would seem the same display (created in January 2009 ) has been hawked accross the US of A , Germany , Austria, Italy & the Netherlands (and perhaps in 2012 we are 'tail end charlies ?). The lasers are ...
by LeoLion
Thu Feb 16, 2012 4:56 pm
Forum: General chat
Topic: Doorstep Meteorite?
Replies: 15
Views: 2788

This report on the Beeb adds a bit more to the tale as itterated here http://www.bbc.co.uk/news/uk-england-wiltshire-16986737 . Perhaps David Entwhistle may post as i believe he is a member of the British & Irish Meteorite Society http://www.bimsociety.org/index.php .
by LeoLion
Fri Jan 27, 2012 1:47 pm
Forum: Telescopes and instruments
Topic: A parabolizing corrector? ..
Replies: 6
Views: 2840

Have you given thought to a 'warping harness' as a means of flexing a spherical mirror to a paraboloid (or other figure) . There is an article in Sky & Telescope - Nov 2000 by Alan Adler titled- "Flexing Spheres into High-Quality Telescope Mirrors" . There is thread on Cloudy Nights Forum - ATM Sect...
by LeoLion
Thu Dec 29, 2011 9:44 am
Forum: Absolute beginners
Topic: Complete Novice - But enthusiastic learner!
Replies: 12
Views: 4983

Hi Jan , You have a great astronomical society in Cardiff http://www.cardiff-astronomical-society.co.uk/ .Two of us 'Yorkies' spent a great fortnight in Turkey with them on a total solar eclipse trip . I'm sure you will get some help from their members. Surf their website and you will find they have...
by LeoLion
Tue Dec 27, 2011 1:02 pm
Forum: Observing
Topic: Companies offering Dark Sites and accommodation
Replies: 6
Views: 1408

I can reccomend Fieldview in North Norfolk http://www.earthandsky.co.uk/ . There are scopes to use (or take your own ) and a good astro library. The nearby pub provides for your lunch and evening meal. Its a short walk of about three hundred yards but you will need a torch as there is no lighting ! ...
by LeoLion
Wed Dec 07, 2011 7:57 am
Forum: Imaging techniques
Topic: Fog filters
Replies: 4
Views: 2852

Hi Marty , I think that what you are looking for is the Akira Fuji effect as in http://www.davidmalin.com/fujii/fujii_index.html . David Ratledge has a webpage on the technique using Iris (free) here http://www.deep-sky.co.uk/imaging/constell/constell.htm . The Buil command is here http://astrosurf....
by LeoLion
Thu Nov 17, 2011 7:05 pm
Forum: Observing
Topic: Hexa Pascals
Replies: 19
Views: 3201

Hi David , Just to correct your comment re 'an old unit' this quoted from the NPL website ' (1) Following the 8th Congress of the World Meteorological Organization, from 1 January 1986 the term hectopascal (hPa) is preferred to the numerically identical millibar (mbar) for meteorological purposes. T...
by LeoLion
Tue Jun 28, 2011 5:35 pm
Forum: General chat
Topic: Celestial North v Magnetic North ?
Replies: 3
Views: 1247

This site should 'cut the mustard' for what you want http://www.threelittlemaids.co.uk/magdec/index1.html . The OSmaps show the variation on them too.
I'm old fashioned enough to regard my GPS as an auxiliary device and not a mainstay for hill walking survival :D
by LeoLion
Wed May 18, 2011 8:56 am
Forum: General chat
Topic: Astronomical Attractions in Paris?
Replies: 5
Views: 1413

The second part ( long tail of post & delete !) . Cover the Paris meridian markers for the Arago medalions http://en.wikipedia.org/wiki/Paris_Meridian and visit the Musee des Artes et Metiers http://www.arts-et-metiers.net/ Cannot understand Francophobes - its a great country with super fast trains ...
by LeoLion
Wed May 18, 2011 7:38 am
Forum: General chat
Topic: Astronomical Attractions in Paris?
Replies: 5
Views: 1413

This is a two part reply !! If you have telescope kit money to spend go here La Maison du Astronomie shop ( Microscopy is next door ) http://www.maison-astronomie.net/ (Spent several Euros when I visited !!) Apart from the above (which I have visited) I have La Villete : Cite des Sciences when I ma...
by LeoLion
Wed Apr 27, 2011 12:53 pm
Forum: Telescopes and instruments
Topic: DIY Dobsonian Shroud ?
Replies: 3
Views: 4528

Try using a pop up play tunnel like this http://direct.tesco.com/q/R.208-6633.aspx?utm_source=GoogleShopping&utm_medium=GSF_NormalFeed&utm_campaign=GSF_TescoDirect&utm_content=208-6633 . Similar items from Ikea. Line the inside with dark/black nylon and hold it in place with Velcro Hook & Loop tags....
by LeoLion
Mon Apr 25, 2011 6:14 pm
Forum: General chat
Topic: Sundials in Rome Italy
Replies: 4
Views: 1290

This may help a little in that it is a comprehensive Sundial Catalogue with images . It is in Czech ( but easy peasy to use with Google Chrome ) . Here is the link http://astro.mff.cuni.cz/mira/sh/sh.php?type=catalogue_region . There is a section for Italy . To link direct to the Italian list was a ...
by LeoLion
Sun Apr 17, 2011 8:17 pm
Forum: Gallery
Topic: Coloured Moon
Replies: 14
Views: 2232

This site may be of interest http://fisherka.csolutionshosting.net/a ... Table.html with a mixture of maps and detail on features , re Lunar Geology.
by LeoLion
Thu Mar 31, 2011 7:03 pm
Forum: General chat
Topic: Searching for Supernovae.
Replies: 21
Views: 2116

Brian's flagging of Martin Mobberley reminded me that MM had a book out from Springer in 2007 or 2008 . The title was "Supernovae and how to observe them " that covered the subject well . Most ( and probably all ) UK succesful amateur searchers would also be subscribers to " The Astronomer" magazine...
by LeoLion
Fri Feb 25, 2011 12:59 pm
Forum: General chat
Topic: Struve Geodectic Arc
Replies: 6
Views: 1069

Thanks all for this posting and sending me off to investigate these late polar expeditions and rescue attempts . All new to me . To others with an interest this Wiki on Umberto Nobile will get you started http://en.wikipedia.org/wiki/Umberto_Nobile . Thanks again