Saturday, 14 February 2015

Lecture, QUB builds world's largest Solar Tel, Jupiter Venus & Moon, Many talks



Hi all,
 
1: IAA LECTURE: Next IAA public lecture:  Feb 18, 7.30 p.m. by Dr Jorick Vink, Armagh Observatory: "Star Formation in the Milky Way and in the early Universe".
We are delighted to have Jorick back again to give another of his excellent lectures. Jorick is a Senior Research Astronomer at Armagh, specialising in very massive stars and star formation. This is a fascinating subject, as we are constantly discovering older and older stars, including one which had a nominal age older than that of the universe itself. But within the error bars of the estimate, it just fell within the estimated age of the universe, which is 13.8 billion years. 
For other interesting related news items see
    The lecture is free and open to all, including free refreshments. Venue: Bell Lecture Theatre, Physics Building, Queen's University, Belfast, at 7.30 p.m. 
   Thanks to the Astrophysics Research Centre, QUB, for help in hosting these lectures.
    
   And local company Andor Technology in West Belfast will be involved in designing and building the instrumentation. Mihalis gave us a hint of a major development in the offing when he gave a fascinating presentation at the IAA's visit to Andor Technology last year - now we know what he was referring to!
      Armagh Observatory is also a member of the UK consortium. Congratulations to Mihalis and the rest of the QUB team, and also of course to Armagh Observatory and Andor.
 
2. QUB building World's largest Solar Telescope!
Prof Mihalis Mathioudakis of the ARC at QUB heads the QUB team which is leading the UK consortium involved in building what will be by far the largest Solar Telescope in the world. The telescope will have a mirror 4 METRES in diameter, and will be located on a mountain top in Hawaii.
3. Jupiter, Venus, conjunction, and Moon.  Jupiter was at opposition on Feb 6, appearing at its biggest and brightest for the year mag -2.6, diam = 45.3" (arcsecs)
MUTUAL SATELLITE EVENT: Feb 14-15 Io will be eclipsed by the shadow of Europa: 00.20 - 00,27, Mag drop 0.8.
Venus is now very prominent in the SW evening twilight, and getting higher in the sky at any given level of twilight.
  Watch it close in on much fainter Mars over the next week, leading to a very close conjunction on Feb 21 & 22, and they will also be joined by a lovely thin crescent Moon on the 20th and 21st.
  On Feb 15 Venus will lie 3 degrees below and right of ruddy Mars: watch that separation shrink to less than half a degree on the 21st & 22nd.
See a VERY young Moon, Feb 19. On the evening of the 19th you can look for the wafer-thin crescent of a very young Moon. New Moon occurs on Feb 18 at 23.47. If you see the Moon next evening at around 18.00 it will be just over 18h old! You will need exceptionally clear sky right down to the SW - W horizon, and you'll only have a 'window' of about 10 minutes to see it before it gets too low and sets. It will appear just as a thin curved thread of light, and you'll probably not see the whole 180 degrees of the curve. Use binoculars to look for it (but ONLY after sunset!), but it only counts as a sighting if you can see it with the naked eye!
  Close conjunction: Also, on the evening of the 21st Venus (mag -4.0) will lie just 2' S of star TYC 4663, mag 6.3. That difference of 10.3 magnitudes corresponds to a difference in brightness of over 10,000. Yet of course Venus has no light of its own, shining only by reflected sunlight; whereas the star is 50 times brighter than our Sun! The star appears fainter simply because it's 470 Light Years away, whereas Venus is only 212 million km away, or about 12 Light Minutes.
 
4. Light Pollution talks: Prof Brian Espey of TCD will be giving talks on the problem of LP in Castlebar GMIT on Monday 16th Feb, and a talk to the IAS on Monday 23rd Feb in Ely Place. And see this for some latest research http://www.sciencedaily.com/releases/2015/02/150212092506.htm?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+sciencedaily%2Fearth_climate+%28Earth+%26+Climate+News+--+ScienceDaily%29 
 
5.  Galway Astrofest: Feb 21, 2015: Cdr Chris Hadfield will launch this event - by videolink!  
•Theme: "New Worlds - New Horizons"
•Dark sky observing, Friday evening, Brigit's Garden (if clear)
•Excellent speaker line-up, including
•Professor Michael Perryman (UCD) will talk about the GAIA mission,
•Professor Susan McKenna Lawlor (NUIM) will look at the Rosetta Comet mission for which her team built an instrument for the Philae lander. See http://www.galwayastronomyclub.ie/index.php/archive 
•Damian Peach: superb planetary photographer
•Dr Chris Watson, QUB, on Exoplanets
•Eclipse chaser Daniel Lynch
•Nick Howes, Kielder Observatory, observer and science writer
•Dave Grennan, discoverer of 2 asteroids and 3 supernovae – from Dublin!
•Brian McGabhann, Galway: Building an Observatory
•+ good craic, dark sky observing, trade and book stands, raffle, more
•Venue: Westwood Hotel, Galway
 
6. ISS The ISS continues its series of evening passes over Ireland until February 22. Full details for your own location, along with lots of other up to date astronomical information, on the excellent FREE site www.heavens-above.com. Also try the ISS Spotter by Mediapilot https://appsto.re/gb/os8mF.i 
Valentine's ISS: Impress your 'significant other' with one or both of two lovely brilliant 'stars' moving across the sky: It will make two very good passes over Ireland this evening, at approx 18.05 & 19.40, but you'll need to check Heavens Above for exact times for your location. You could try saying that you've laid on the show just for your lover, but don't blame me if they tell you to 'Catch yourself on'!
 .
7. Major Science Event, 23 February (+ 24th in Dublin): Booking Open  Another major science event as part of the 'Origins Project" will be taking place on the 23rd of February at UU Jordanstown. See http://youtu.be/2uvQoiPjF6s
 Booking for the Belfast event at: https://www.facebook.com/events/1525789667672746/ and
 http://www.outersurface.com/product/origins-project-dialogue-belfast/
"Outer Surface, The Origins Project", facilitates the creation of new knowledge by asking fundamental questions to better grasp our era's greatest challenges. 
   Richard Dawkins and Lawrence Krauss, two internationally famous scientists, will talk about "Life & The Universe" in Belfast on Feb 23 and in Dublin on Feb 24
Tickets are £35 each. Details of Belfast event are on Belfast event page https://www.facebook.com/events/1525789667672746/
  

8. IAA Observing Nights at Delamont Country Park

These very popular weekend observing sessions have recommenced, with the nights of Feb 20 & 21 as next option. Delamont is well signposted off the A22 just South of Killyleagh, (North of Downpatrick) Co Down. They are suitable for anyone, but are aimed especially at beginners. We bring our own large telescopes; bring your own if you have a portable one. The events work like this: If it's clear on the Friday night, the event goes ahead. If not, we try again on the Saturday night. If both are cloudy, we try again on the following weekend, same procedure. To check if it's going ahead, check the IAA website: www.irishastro.org up to 6.0 p.m. on each day, and for dates for next session: If cloudy, we'll try again on the next date on the list.…

9. Hands-On Digital with the BBC, 26 - 28 Feb. 10.00 - 19.00 each day. The BBC Blackstaff Studios, Gt Victoria St Belfast, are offering a free chance to experience the latest in Digital technology, including IAA Secretary Tony Kempston and his amazing Oculus Rift Virtual Tour of the Solar System and the rest of the universe. You HAVE to try this out! No tickets needed, but it will be First Come First served for each event.
More details at: www.bbc.co.uk/digitalni
10. Open nights at Armagh Planetarium: Tuesday 24th Feb & Tuesday 24th March 2015
Suitability: Public – Over 6 years for Theatre Show
Times: open 7pm – 9pm. Beyond the Blue Digital Theatre Show 7.30pm
Cost: FREE
Booking: Phone on 028 3752 3689
Pre-Booking is essential as there is a limited number of tickets
 
11. IAA / QUB Solar day, Saturday 28 February.
IAA in conjunction with QUB. Free event.
•11.30 – 16.00, in front of main building
•Solar Observing, visual, H-alpha, Calcium
•
Live links to Solar satellites such as SOHO Talks in the Council Chamber in the main building.• All members with solartelescopes, or a projection system, please bring them.
For everyone else - just turn up, no need to book.
 
12: BBC Stargazer Mark Thompson at Armagh Planetarium: Sat 28 Feb
Suitability: Public – All Ages
Times: Presentations at 12:30pm and 3:00pm
Duration: 60 minutes
Cost: FREE
Booking: Phone 028 3752 3689
Pre-Booking is essential as there is a limited number of tickets
   Sorry about the clash of these two events - I've only just learned of the latter. :-(
 
13. Armagh Observatory St Patrick's Day Event "Discovering the Sun and Stars at Armagh"
 
 
14. Safe Solar viewing material available: Baader safe viewing foil now in stock ... just in time for the big eclipse! £19 for an A4 sheet delivered. Contact Dr Andy McCrea at s.mccrea980@btinternet.com

 

15. IAA Event at Bangor, 27 March, 7 p.m:   Stars and Mars, Moon and Jupiter @ Night at The Museum 
See North Down Museum Come Alive at Night!
Bring along your telescope and get some expert advice.
Observing highlights will be a spectacular First Quarter Moon, plus Jupiter and its moons, the Pleiades and lots of other stellar wonders.
Inflatable indoor star dome
Meteorites on display.
Only £1:00 per person admission.
Coffee Cure @ The Museum will remain open until 9:00pm.
For further information telephone 028 9127 1200
www.northdownmuseum.com
 
16. Light Workshop at Blackrock Castle Observatory:

There is a partial solar eclipse in the morning of March 20. Do you know how to safely view this? Make and take away a pinhole camera and a spectroscope. Explore how lenses are used to make telescopes, experiment with prisms and use solar telescopes (weather permitting). For ages 8+. February 17 & 19. 11:00 - 12:30. €10 each. Booking and pre-payment essential Details at www.BCO.ie

 
17. MARS ONE PROJECT - Doubts and comments:
   I also think that the MARS ONE project is not ready to go ahead yet.
   But there are lots of other options which the MIT team which did the study don't seem to have considered.
   For example, rather than using LEDS and a heavy power source to provide extra lighting for growing vegetables, you can selectively breed ones that require less light. Any gardener knows that there are plants which will grow in relatively dark places!
   Also, if you need it, you can provide lots of extra sunlight by using large lightweight mirrors, e.g. with something like aluminised foil stretched over a light framework. (Although they might be vulnerable to dust devils!) 
   And solar panels, which are becoming ever more efficient, could power lots of LEDs. There is very little cloud on Mars, so there's more or less constant sunlight for half of every day. And with a very thin atmosphere, there's practically no absorption, so the Sun is almost equally bright all the time it's above the horizon: if you can angle the receptors towards it throughout the day, they will work at almost peak efficiency almost all the time. 
   Or a medium sized radio-isotope generator would provide plenty of power for decades. So it's doable - but not just yet!
Also see: http://www.space.com/27451-private-mars-colony-feasibility-study.html.
I've no idea of the chemical engineering involved, but one way to use the excess oxygen is to combine it with hydrogen to make water, which they will need in considerable quantities. Could it be sent from Earth in liquid form - possibly being used as radiation shielding in the process? And the temperature in space should be sufficient to stop it boiling back into gas on the journey.
See also http://boingboing.net/2015/02/09/meet-the-people-whove-volunt.html A crass and puerile article on a serious subject.
 

18. ARCHAEOASTRONOMY TRIP TO NEWGRANGE and KNOWTH, 9 May 2015, These trips have proved so popular that as soon as I got back from the last one, Stranmillis University College Institute of LifeLong Learning asked me to lead another one next spring!  Like the last one, the next trip will include a visit to the Knowth Tomb as well. It has the largest collection of Megalithic art anywhere in Europe in one single site, some of which is reckoned to be astronomical. Booking for thus very popular, non-technical trip will open later, but if you want to go, note the date in your diary: Sat 9 May. More details when the new brochure comes out.

19. IAA Telescopes for loan: The IAA has telescopes available to borrow, for any paid up member  Enquiries to David Stewart david.stewart22@ntlworld.com or Andy McCrea s.mccrea980@btinternet.com.
 
20. STAR PARTIES and OTHER EVENTS:  
COSMOS: April 17th to 19th 2015, Shamrock Lodge Hotel, Athlone.
SKELLIGS Star Party: 14-16 August, Ballinskelligs, Co Kerry.  This is a Gold Medal winning Dark Sky site.  see www.skelligstarparty.com
AI 'Star-B-Q': 15 August, An Tochar GAA Grounds, Roundwood, Co. Wicklow.
 

21: Interesting Weblinks:
http://www.dailymail.co.uk/sciencetech/article-2951184/We-teach-aliens-CRICKET-ET-wants-hear-culture-not-views-science-says-Director-Seti.html (What civilisation? - ISIS, Ukraine, Middle East, Boko Harum, corruption, drugs killing gangs, huge wealth inequality, abuse of women, child sexual abuse, FGM, gender discrimination, religious intolerance, etc. By what standards are we 'civilised'? Perhaps if they ever do come here, it will be to civilise us!)
The ultimate Storm in a Teacup! http://www.sciencedaily.com/releases/2015/02/150211101927.htm?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+sciencedaily%2Ftop_news%2Ftop_science+%28ScienceDaily%3A+Top+Science+News%29 Supermassive Black hole is producing a 'storm' in the 'Teacup' galaxy! (Sorry, I couldn't resist that one!)
 
 
22.  TWITTER: Follow the IAA on Twitter: @IaaAstro.
 
23. JOINING the IRISH ASTRONOMICAL ASSOCIATION is easy: This link downloads a Word document to join the IAA. http://documents.irishastro.org.uk/iaamembership.doc
    If you are a UK taxpayer, please tick the 'gift-aid' box, as that enables us to reclaim the standard rate of tax on your subscription, at no cost to you. You can also make a donation via Paypal if you wish: just click on the 'Donate' button.  See also www.irishastro.org. 
  
Clear skies,
Terry Moseley


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Wednesday, 4 February 2015

Lecture tonight, TV, Jupiter & Venus, ISS, Science Events, Galway SP, IFAS AofY

Hi all,
 
1: IAA LECTURE: Next IAA public lecture: TONIGHT, Feb 04, 7.30 p.m. by Tom O'Donoghue
"Astrophotography: From Single Pane to Mega-mosaic". This will look at medium focal length Deep Sky Astrophotography.
   Tom O'Donoghue, from Dublin, takes some of the best deep sky astrophotos you will ever see taken by any amateur astronomer. Visitors to any of the recent Irish Star Parties will have seen the amazing quality of his images. He is totally dedicated, indeed obsessed, to get the best quality images possible! Frustrated by the sky conditions in Ireland, he started travelling first to Southern France, and then Spain, to get the best possible conditions.
   As well as taking the superb shots you can see on his website www.astrophotography.ie he is now working on a 'mega-mosaic' of the whole Orion constellation and all its associated nebulosity, of which the best known are of course the Orion Nebula itself (M42), the 'Running Man Nebula', and the Horsehead Nebula. But there's much more!
   In this talk he will describe how he acquired his skills and his equipment, how he takes and processes the images, and describe his Orion Mega-Mosaic."
   Tom will have some of his smaller size, but same high quality, prints available for sale at £15 each.
    The lecture is free and open to all, including free refreshments. Venue: Bell Lecture Theatre, Physics Building, Queen's University, Belfast, at 7.30 p.m. 
   Thanks to the Astrophysics Research Centre, QUB, for help in hosting these lectures.
N.B: Our last lecture on Wednesday 21 January, by well-known QUB astronomer, Professor Alan Fitzsimmons, "Rosetta at comet 67P/Churyumov-Gerasimenko", was probably our best-attended 'normal' lecture ever, with about 130 people present: almost every seat was taken!. All thoroughly enjoyed an amazing and very entertaining presentation - thanks Alan.
    
3. Jupiter at opposition, Feb 6, Venus rising.  Jupiter will be at opposition on Feb 6, appearing at its biggest and brightest for the year mag -2.6, diam = 45.3" (arcsecs)
MUTUAL SATELLITE EVENT: Feb 7 Io will be eclipsed by the shadow of Europa: 22.05 - 22.13, Mag drop 0.7. And again on Feb 14-15, 00.20 - 00.27. Mag drop 0.8. 
Venus is now very prominent in the SW evening twilight, and getting higher in the sky at any given level of twilight.
  Watch it close in on much fainter Mars over the new few weeks, leading to a very close conjunction on Feb 21 & 22, and they will also be joined by a lovely thin crescent Moon.
  On Feb 5 Venus will lie 7.5 degrees below and right of ruddy Mars: watch that separation shrink to less than half a degree on the 21st & 22nd.
2. Documentary on Newgrange tonight:
Tonight, at 9.30pm, TG4 will be showing a documentary exploring some theories about Newgrange and comets etc., including interviews with Mike Baillie, David Asher, Dave Brown and IAA member Patrick McCafferty etc. English subtitles available.
 
 
4. ISS The ISS will commence a new series of evening passes over Ireland on February 7. Full details for your own location, along with lots of other up to date astronomical information, on the excellent FREE site www.heavens-above.com. Also try the ISS Spotter by Mediapilot https://appsto.re/gb/os8mF.i 
   When it's making daytime passes over Ireland, you can see Ireland live from downloaded images from the ISS
 .
5. Major Science Event, 23 February (+ 24th in Dublin): Booking Open  Another major science event as part of the 'Origins Project" will be taking place on the 23rd of February at UU Jordanstown. See http://youtu.be/2uvQoiPjF6s
 Booking for the Belfast event at: https://www.facebook.com/events/1525789667672746/ and
 http://www.outersurface.com/product/origins-project-dialogue-belfast/
"Outer Surface, The Origins Project", facilitates the creation of new knowledge by asking fundamental questions to better grasp our era's greatest challenges. 
   Richard Dawkins and Lawrence Krauss, two internationally famous scientists, will talk about "Life & The Universe" in Belfast on Feb 23 and in Dublin on Feb 24
Tickets are £35 each. Details of Belfast event are on Belfast event page https://www.facebook.com/events/1525789667672746/
 
6. Comet Lovejoy very close to Gamma Andromedae: Terry Lovejoy's 5th comet, official name C/2014 Q2, is now high up in the Northern sky and after reaching naked-eye visibility, will soon start to fade as it moves away from both Earth and Sun. Currently it shines at between 4th and 5th magnitude, just visible to unaided eyes in a dark sky, but relatively easy in binoculars. It's currently passing through Andromeda, and tonight will pass within a binocular field of 2nd mag Gamma And.
  IAA members have got some lovely photos of it - see the website: www.irishastro.org. 
 Positions and finder charts for the comet on a daily basis are on the excellent free site www.heavens-above.com 
 
7. New free online astronomy course via the Planetary Society
The planetary society are starting an online course introducing people to astronomy and planetary science. It's free and thought members might want to know about it. It starts today but all the lectures are archived and can be watched at a later date. Thanks to Kris Ballance for info.
 
8. SKY AT NIGHT BROADCAST:  Sunday 8th February at 22:00 on BBC4. They will be asking: What Have UFOs Done for Us? http://www.bbc.co.uk/programmes/b052hpyd (A: sold lots of books, DVDs,  cinema tickets, generated lots of websites, and lately, via the Web, proved just how gullible lots of people are!)
 

9.  IAA Observing Nights at Delamont Country Park

These very popular weekend observing sessions have recommenced, with the nights of Feb 13 & 14 as next option. Delamont is well signposted off the A22 just South of Killyleagh, (North of Downpatrick) Co Down. They are suitable for anyone, but are aimed especially at beginners. We bring our own large telescopes; bring your own if you have a portable one. The events work like this: If it's clear on the Friday night, the event goes ahead. If not, we try again on the Saturday night. If both are cloudy, we try again on the following weekend, same procedure. To check if it's going ahead, check the IAA website: www.irishastro.org up to 6.0 p.m. on each day, and for dates for next session: If cloudy, we'll try again on the next date on the list.…

 
10. IFAS Astronomer of the Year:
The nominations came in for the coveted IFAS Astronomer of the Year 2014 accolade, with this year's winner rewarded to the person for helping create an astronomy event in the Northern Hemisphere's ONLY Gold Standard Dark Sky Reserve - Kerry.
The IFAS Astronomer of the Year 2014 is Roy Stewart!
Well done Roy, this is richly deserved recognition from your peers of your commitment to Irish Astronomy over the years.
Other nominations included:
Terry Moseley
Mike Foylan
Seanie Morris
John Flannery
NB: a big vote of thanks are also due to Julie Ormonde who did sterling work in getting the Kerry Gold Standard Dark Sky Reserve! T. M.
 
11. Galway Astrofest: Feb 21, 2015: Cdr Chris Hadfield will launch this event - by videolink!  
•Theme: "New Worlds - New Horizons"
•Dark sky observing, Friday evening, Brigit's Garden (if clear)
•Excellent speaker line-up, including
•Professor Michael Perryman (UCD) will talk about the GAIA mission,
•Professor Susan McKenna Lawlor (NUIM) will look at the Rosetta Comet mission for which her team built an instrument for the Philae lander. See http://www.galwayastronomyclub.ie/index.php/archive 
•Damian Peach: superb planetary photographer
•Dr Chris Watson, QUB, on Exoplanets
•Eclipse chaser Daniel Lynch
•Nick Howes, Kielder Observatory, observer and science writer
•Dave Grennan, discoverer of 2 asteroids and 3 supernovae – from Dublin!
•Brian McGabhann, Galway: Building an Observatory
•+ good craic, dark sky observing, trade and book stands, raffle, more
•Venue: Westwood Hotel, Galway
 
•
12. IAA / QUB Solar day, 28 February
IAA in conjunction with QUB. Free.
•11.30 – 16.00, in front of main building
•Solar Observing, visual, H-alpha, Calcium
•
Live links to Solar satellites such as SOHO Talks in the Council Chamber in the main building.• All members with solartelescopes, or a projection system, please bring them.
 
 
13. Safe Solar viewing material available: Baader safe viewing foil now in stock ... just in time for the big eclipse! £19 for an A4 sheet delivered. Contact Dr Andy McCrea at s.mccrea980@btinternet.com

 

14. IAA Event at Bangor, 27 March, 7 p.m:   Stars and Mars, Moon and Jupiter @ Night at The Museum 
See North Down Museum Come Alive at Night!
Bring along your telescope and get some expert advice.
Observing highlights will be a spectacular First Quarter Moon, plus Jupiter and its moons, the Pleiades and lots of other stellar wonders.
Inflatable indoor star dome
Meteorites on display.
Only £1:00 per person admission.
Coffee Cure @ The Museum will remain open until 9:00pm.
For further information telephone 028 9127 1200
www.northdownmuseum.com
 
15. Light Workshop at Blackrock Castle Observatory:

There is a partial solar eclipse in the morning of March 20. Do you know how to safely view this? Make and take away a pinhole camera and a spectroscope. Explore how lenses are used to make telescopes, experiment with prisms and use solar telescopes (weather permitting). For ages 8+. February 17 & 19. 11:00 - 12:30. €10 each. Booking and pre-payment essential Details at www.BCO.ie

 

16. ARCHAEOASTRONOMY TRIP TO NEWGRANGE and KNOWTH, 2015, These trips have proved so popular that as soon as I got back from the last one, Stranmillis University College Institute of LifeLong Learning asked me to lead another one next spring!  Like the last one, the next trip will include a visit to the Knowth Tomb as well. It has the largest collection of Megalithic art anywhere in Europe in one single site, some of which is reckoned to be astronomical. Booking for thus very popular, non-technical trip will open later, but if you want to go, note the date in your diary: Sat 9 May. More details when the new brochure comes out.

17. IAA Telescopes for loan: The IAA has telescopes available to borrow, for any paid up member  Enquiries to David Stewart david.stewart22@ntlworld.com or Andy McCrea s.mccrea980@btinternet.com.
 
18. STAR PARTIES and OTHER EVENTS:  
COSMOS: April 17th to 19th 2015, Shamrock Lodge Hotel, Athlone.
SKELLIGS Star Party: 14-16 August, Ballinskelligs, Co Kerry.  This is a Gold Medal winning Dark Sky site.  see www.skelligstarparty.com
AI 'Star-B-Q': 15 August, An Tochar GAA Grounds, Roundwood, Co. Wicklow.
 

19: Interesting Weblinks:
 
22. JOINING the IRISH ASTRONOMICAL ASSOCIATION is easy: This link downloads a Word document to join the IAA. http://documents.irishastro.org.uk/iaamembership.doc
    If you are a UK taxpayer, please tick the 'gift-aid' box, as that enables us to reclaim the standard rate of tax on your subscription, at no cost to you. You can also make a donation via Paypal if you wish: just click on the 'Donate' button.  See also www.irishastro.org. 
  
Clear skies,
Terry Moseley


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