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: http://star.arm.ac.uk/nibulletin/2014/Sep12.html
Äàòà èçìåíåíèÿ: Mon Sep 15 13:54:54 2014 Äàòà èíäåêñèðîâàíèÿ: Sun Apr 10 03:24:49 2016 Êîäèðîâêà: Mac-cyrillic Ïîèñêîâûå ñëîâà: comet tail |
From: TerryMoselaol.com
Subject: Aurora tonight? + many new news items
Date: 12 September 2014 21:49:54 BST
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Hi all,
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1.ƒŠPossible Aurora Tonight:
On Sept. 9th at 00:30 UT the magnetic canopy of sunspot AR2158 erupted, producing a long-duration solar flare and a bright CME, and producing a strong X1.6-class solar flare.ƒŠThe CME, which billowed away from the sun at nearly 1,000 km/s, had an Earth-directed component.ƒŠ A glancing blow is possible during the late hours of Sept. 11/early hours of Sept. 12.ƒŠ High-latitude sky watchers should be alert for auroras when the storm cloud arrives HF radio blackouts and other communications disturbances have already been observed on the day-lit side of Earth.ƒŠ
and http://www.skyandtelescope.com/astronomy-news/observing-news/powerful-solar-flare-091020143/
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2.ƒŠƒŠEXCLUSIVE: Visit to Andor Technology Camera Facility, 13 September: The IAA has arranged a special visit to the Andor Technology Camera manufacturing facility in Belfast. As many of you will know, Andor make some of the best - inƒŠmany cases the best - high-end digital cameras in the world. They are used in every scientific application imaginable, including of course astronomy, and they can be found in many of the world's top observatories, and in spacecraft. They are also moving into the range of amateur astronomers, having recently acquired Apogee Instruments. Thanks to Dr Andy McCrea we have arranged a free special visit for IAA members, and friends, to this facility, on Saturday 13 September.
Programme:
1200 Meet in Andor Reception
Introductory welcome and short talk
Lunch (Free, provided by Andor) in their canteen
Tour of the Clean Room and factory assembly floor
Talks on the range of cameras and their applications
Talk on solar astronomy imaging using Andor camerasƒŠby Prof Mihalis Mathioudakis of the Astrophysics Research Centre inƒŠQUBƒŠ(link from QUB/ Professor Smart)
Q&A Discussion
Finish - say 1530
ƒŠ This is an exceptional opportunity to see and learn all about the latest developments and future plans for top class astronomical imaging equipment. Andor will also be interested in feedback from expert amateur users of digital imagers, so this is your opportunity to let them know what YOU would like to see available.
ƒŠƒŠ Spaces are limited, so you must register your intention to attend. Please send your name and contact details to Dr Andy McCrea (of North Down Telescopes: email s.mccrea980btinternet.com) to ensure that you get a place.
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3. Free shows at Armagh Planetarium:
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Free Shows for European Heritage Open Day |
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4. Special Krauss lecture at QUB: Taking advantage of the visit to Belfast by world famous cosmologist Lawrence Krauss (see last bulletin), the IAA is teaming up with the Astrophysics Research Centre at QUB (to which sincere thanks are due)ƒŠto present a public lecture by himƒŠon 22 October. Full details are being finalised by Prof Stephen Smart, but that talk willƒŠprobably beƒŠon Cosmology and/or dark matter, on both of whichƒŠKrauss is an expert. Start time 7.30 p.m., inƒŠLarmor Lecture Theatre, QUB. Free admission but by email ticket application only. More details in next bulletin, but keep the date free!
ƒŠIn the meantime, keep looking atƒŠthe QUB / ARCƒŠwebsite http://star.pst.qub.ac.uk/
ƒŠƒŠ Lawrence Krauss is a renowned cosmologist, and author of many best-selling books such as "The Fifth Essence" (Dark Matter); "The Physics of Star Trek"; "A Universe From Nothing"; "Quintessence, The Search For Missing Mass In The Universe", "Beyond Star Trek"; "Atom: An Odyssey from the Big Bang to Life on Earth...and Beyond"; and many articles in various science journals. He is also the ONLY physicist to have received awards from all three of the major American Physics Societies. See: http://en.wikipedia.org/wiki/Lawrence_M._Krauss.
ƒŠƒŠ By coincidence, this story on dark matter has just broken: http://www.sciencedaily.com/releases/2014/09/140904121241.htm?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+sciencedaily%2Fspace_time+%28Space+%26+Time+News+--+ScienceDaily%29. Intuitively, IƒŠlike it, although the science is of course totally beyond me!
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5. Asteroid to occult bright star Eta Gem, 16 Sep: (Thanks to Dr Tolis Christou at Armagh Observatory for this info). http://www.asteroidoccultations.com/2014_09/0916_1061_33473_MapE.gif
The star to be occulted (HIP 29655) is eta Geminorum, a bright (V=3.3) binary pulsating star (sep=1.7 arcsec) see http://vizier.u-strasbg.fr/viz-bin/VizieR-S?HIP%2029655
ƒŠƒŠƒŠ It is interesting that the apparent diameter of the asteroid (0.013") is comparable to the apparent size of the star (0.009"; primary component?) so there may not be a disappearance and reappearance as such but rather a gradual fading and brightening. The event is short (max durƒŠ = 1.7 sec) but should be easily capturable on video. Presumably the prediction concerns the barycenter of the system so the path of the actual occultation by the primary may be somewhat off.ƒŠ
ƒŠ The track is predicted to graze the N coastƒŠof Ireland, but there is always some uncertainty, so have a look just in case
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6. IAA New Season Opening Lecture 24 Sep: Latest Science Results from Rosetta, by Leo Enright
ƒŠThis talk by Ireland's leading science broadcaster and journalist, will reveal the latest findings from the fantastic Rosetta spacecraft at Comet C-G. As you can see from some of the images, the comet is weird - absolutely unlike anything we've seen before. And Leo usually updates his talk from the InternetƒŠjust about 10 minutes before he's due to start, so it will be the VERY latest information. Not to be missed!
The lectureƒŠis free and open to all, including free refreshments.ƒŠVenue: the Bell Lecture Theatre, Physics Building, Queen's University, Belfast, at 7.30 p.m.ƒŠ
ƒŠƒŠ Thanks to the Astrophysics Research Centre, QUB, for help in hosting these lectures.
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7. Astrophotography talk in Dublin: To coincide with the release of his new DVD âÀÜHigh Resolution AstrophotographyâÀÝ Damian Peach will be giving a talk/workshop and signing copies of his New DVD fromƒŠthe lecture room at Scopes and Space on 13th of September. Start time 13.00. Damian will also be on the astronomy show on 103.2 Dublin city FM http://www.dublincityfm.ie/programmes/special-interest/astronomy-show on Tuesday 9 September at 20.00.ƒŠOnly 30 places available, book now to avoid disappointment. Price: âÂ?20, Location: Scopes and Space Ltd; call on 01-890 2736 to book your seat
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8. Culture Night 2014, Sep 19ƒŠwith Deirdre Kelleghan at Dunsink Observatory Dublin. FREE tickets forƒŠthe Action Comet Children's Workshop (age 5-9) at Dunsink Observatory Sept 19th 5pm - Culture Night 2014 click the button onƒŠher home page and get your eticket !!!ƒŠ http://www.deirdrekelleghan.net/
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9. IAA Observing Nights at Delamont Country Park
These very popular weekendƒŠobserving sessions will start again this month. Delamont is well signposted off the A22 just South of Killyleagh, (North of Downpatrick)ƒŠCo 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.
ƒŠƒŠThe eventsƒŠwork 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.ƒŠon each day. Dates for first session: Sep 19-20 If cloudy, we'll try again on Sep 26-27.
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10. Carrick-a-rede dark sky discovery site award: Congratulations to the folks at Carrick-a-rede (site of the famous rope bridge) in N. Antrim on getting this award - the first sine in N. I. to do so. see
http://www.darkskydiscovery.org.uk/dark-sky-discovery-sites/map.html
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11. ASTROMASTER LA PALMA, Sep 27 - Oct 3,ƒŠ2014:ƒŠƒŠAdvanced Landscape Astrophotography & Time-lapse.ƒŠ(From Ana on La Palma): There are a couple of places left for this Sept. Please share this if you know someone that might be interested. Iƒ?d really appreciate it.
"Join TWAN Photographers Babak Tafreshi (the founder and director) and Christoph Malin (dedicated timelapse photographer, TWAN-Austria) for a world-class week-long workshop on night sky photography and timelapse imaging and processing. Started in 2013 the Astromaster workshops have been a great success that inspiredƒŠ photographers and amateur astronomers who attended the event from across the world. La Palma, home to one of the world's notable observatories, isƒŠ a stargazers paradise in the Canaries. Registration fees include full board accommodation, transportation andƒŠ course fees.
ƒŠMore here: astromaster.astrolapalma.com"
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12. World Space Week: October 4 to 11; UK Launch in N. Ireland!
There will be events in various parts of the province.ƒŠMore news on this excellent coup by Robert Hill in the next bulletin.
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13. ASTROARCHAEOLOGY TRIP TO NEWGRANGE and KNOWTH, 11 October: Following the success of last years' trip,ƒŠStranmillis UniversityƒŠCollege Institute of LifeLong Learning haveƒŠasked meƒŠto run another one, on 11 October, but this time including 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, is via the Stranmillis website www.stran.ac.uk, or go direct to http://www.stran.ac.uk/media/media,456138,en.pdfƒŠand scroll down to p. 23, or pick up a brochure from Reception.
ƒŠƒŠ This trip is booking quickly, so reserve your places now if you want to go!
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14. Astronomical Orientation of Lough Gur Stone Circle. This is the largest stone circle in Ireland, and well-known astro-archaeologist dr Frank Prendergast will be one of the speakers at the following event:
The inauguralƒŠLough Gur Spirit of Place Celebration, featuring a series of public lectures, talks, contemplative tours and music in the heart of one of IrelandâÀÙs most important archaeological sites, will take place on the 10th and 11th of October next.
ƒŠƒŠ The event is on the home page of theƒŠloughgur.comƒŠwebsite with a drop down menu appearing on the top left. This section includes programme and speaker information, and press releases.
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15. The Elements in the Universe:ƒŠ Ulster Museum, 11 October, 12.00 - 4.30). this event will beƒŠlooking at the Universe from an elemental point of view.ƒŠDr Mike Simms willƒŠbe there withƒŠhis meteorites. He has also invited IAA members to participate,ƒŠparticularly those withƒŠtelescopes, especially if linked to spectroscopy of the Sun and stars. If anyone is interested in being involved, pleaseƒŠcontactƒŠMike so thatƒŠhe can plan the event. michael.simmsnmni.comƒŠ
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16. TAMING THE ELEMENTS LECTURE SERIES, Ulster Museum
ƒŠƒŠƒŠ The lectures will take place on consecutive Tuesday evenings, from 7:00 to 9:00 pm in the Lecture Theatre on the ground floor.ƒŠSome of these talks will be of interest to astronomers. ƒŠThis is a free event âÀÓ but to secure your place please use the Buy Tickets button on the web page. For further information please ring 028 9044 0000. Opening hours are Tue-Sun 10am-5pm.
ƒŠThere are seven lectures:
ƒŠ1. What's in my stuff? 7:00 - 9:00pm Tuesday 21st October
ƒŠƒŠƒŠƒŠ Bringing together science and art to raise awareness of the chemical elements contained within the everyday objects we own, such as mobile phones.
ƒŠ2. The origin of the elements 7:00 - 9:00pm Tuesday 28th October
ƒŠƒŠƒŠƒŠ Discover how common elements formed in stars, supernova and the Big Bang help to answer some of the big questions in modern astronomy.
ƒŠ3. The First World War: Its chemical origins 7:00 - 9:00pm Thursday 4th November
ƒŠƒŠƒŠƒŠThe high explosives and synthetic propellants of WW1 can trace their origins back to the synthetic dyestuffs industry of the 19th Century.
ƒŠ4. New challenges for geology in Northern Ireland 7:00 - 9:00pm Thursday 11th November
ƒŠƒŠƒŠƒŠ How the distribution of 55 elements in soils and streams across the Province has implications for mineral resources and the environment.
ƒŠ5. Bringing the Periodic Table to life 7:00 - 9:00pm Thursday 18th November
ƒŠƒŠƒŠƒŠ The challenges of building real element displays around the world.
ƒŠ6. From Test Tube to Turner: the role of the chemist in art 7:00 - 9:00pm Thursday 25th November
ƒŠƒŠƒŠƒŠ How major changes in chemical techniques and elemental discovery influenced the subsequent development of pigments and their use in artworks.
ƒŠ7. Dorothy Hodgkin, patterns and the Nobel prize 7:00 - 9:00pm Thursday 2nd December
ƒŠƒŠƒŠƒŠ What led to the exceptional success of Nobel Prize winner Dorothy Hodgkin, discoverer of the crystal structure of penicillin and insulin?ƒŠƒŠƒŠ
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17. ROSETTAƒŠnow orbiting Comet.ƒŠThe Rosetta spacecraftƒŠcontinues toƒŠ'orbit'ƒŠroundƒŠComet Churyumov-Gerasimenko, sending back some jawdropping photos.ƒŠAfter studying the 'binary' surface in more detail, it will land a probe on the surface. Watch out for some amazing photos.ƒŠƒŠSee
This will be the topic for the IAA's opening lecture of the new season, by the incomparable Leo Enright.
ƒŠSee above:
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18. COMETƒŠNEAR-MISS WITH MARS,ƒŠOct 19:
Comet Siding Spring will pass 134,000 kilometresƒŠfrom Mars onƒŠOctober 19. The neutral-gasƒŠcoma of the comet, whichƒŠextends for more thanƒŠ100,000 kilometres in all directions from the nucleus,ƒŠmay well interact with the atmosphere of the planet. Ions mayƒŠextend away than that, and the tailƒŠis millions ofƒŠkilometres long.ƒŠAs a precaution, the orbits of the Martian orbiters have been altered to place them on the safe side of the planet during the most dangerous part of the encounter, which will occur whenƒŠMars' path through the comet's tail reaches the region ofƒŠhighest dust density, about 100 minutes after closest approach.
ƒŠNevertheless, every effort will be made to get good observations from the comet from all the spacecraft on or near the Red Planet. Siding Spring is a long-period comet on its first visit toƒŠthe inner Solar System andƒŠspacecraft designed to studyƒŠMarsƒŠup-closeƒŠare not idea forƒŠgood observations ofƒŠthe tinyƒŠcomet nucleus muchƒŠfurther away.ƒŠ
ƒŠƒŠ The comet'sƒŠcomaƒŠof dust and ice particles are the main hazard for the orbiters, but will not affect theƒŠrovers on the surface which will be protected by Mars' atmosphere. Even though it's much thinner than ours, theƒŠtiny particles in the comaƒŠwill burn up without reaching theƒŠground.
EachƒŠspacecraftƒŠwill observe the comet as best as possible using its respective instruments. MostƒŠattention will be on the comet's coma -- its size, composition, the size of the particles,ƒŠhow itƒŠvaries with time, and the jets from the nucleus.ƒŠThey will also studyƒŠtheƒŠcomet's effect on the Martian atmosphere. AndƒŠone spacecraft may possibly be able to image the tiny nucleus ofƒŠthe comet, only 1-2 kilometres across,ƒŠas it passes byƒŠatƒŠthe challengingƒŠrelative speed of 57 km/s.ƒŠBut most instrumentsƒŠwill be able to see the coma or the coma'sƒŠeffects on the atmosphere.
The spacecraft involved are: 1. Mars Reconnaissance Orbiter. Has 3 cameras plusƒŠan imaging spectrometer and a radar sounder. 2. Mars Express. Will use HRSC camera andƒŠultraviolet/infrared atmospheric spectrometer. 3. Mars Odyssey. Will use THEMIS thermal emissionƒŠimaging system. 4. MAVEN, arriving 2014. Has a suite of instruments devoted toƒŠMars' upper atmosphere, but no camera. 5. Mars Orbiter Mission, arriving 2014. Has a varied instrumentƒŠsuite but not sureƒŠif it will be performing Siding SpringƒŠobservations.
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19. NEXT YEAR'S STAR PARTIES:ƒŠƒŠ
Galway Astrofest: Feb 21, 2015, Theme: "New Worlds - New Horizons" Excellent speaker line-up already!ƒŠ See http://galwayastronomyclub.ie/
ƒŠCOSMOS: April 17th to 19th 2015, Shamrock Lodge Hotel, Athlone.
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20. INTERESTING WEBLINKS:ƒŠ
http://www.huffingtonpost.co.uk/2014/09/09/hawking-god-particle-destroy-universe_n_5788808.html?ir=UK+TechƒŠActually, he says exactly the opposite!ƒŠ That has to be the most misleading headline ever! - "On the verge of destroying the Universe...."? Sounds like it's both quite likely, and imminent. But they then go on to add - " there is a glimmer of hope which is that Hawking reiterates that not only is it extremely unlikely to ever happen, but that (it would need)ƒŠ'a particle accelerator that reaches 100bn GeV (which) would be larger than Earth'.
ƒŠƒŠ Another argument against it - If some other highly advanced civilization had got that far, then the universe would already have been destroyed, and we wouldn't be here discussing it!
ƒŠƒŠ Scary, but fascinating http://www.dailymail.co.uk/sciencetech/article-2749256/How-YOU-affected-Earth-hit-asteroid-Interactive-map-reveals-devastating-damage-space-rock-inflict-hit-cities-world.htmlƒŠ
Meteorite in Nicaragua: http://www.bbc.co.uk/news/world-latin-america-29106843ƒŠand http://www.dailymail.co.uk/sciencetech/article-2747614/Was-39ft-wide-crater-caused-pitbull-asteroid-Nicuraguan-impact-caused-rogue-shard.htmlƒŠand http://bigstory.ap.org/article/small-meteorite-strikes-nicaragua-government-saysƒŠ
http://www.newscientist.com/article/dn26204-watersplitter-could-make-hydrogen-fuel-on-mars.html
http://www.dailymail.co.uk/news/article-2751995/Returning-astronauts-pulled-capsule-Kazakhstan-desert-finish-six-month-research-stint-aboard-International-Space-Station.htmlƒŠ(I'll bet he couldn't even lift the watermelon after 6 months zero-G)
http://www.huffingtonpost.co.uk/2014/09/10/giant-pendulum-wave-bowling-balls_n_5796680.html?ir=UK+ComedyƒŠA beautiful demo of gravity in action
http://www.dailymail.co.uk/news/article-2751978/Huge-solar-storm-barrelling-earth.html
http://science.nasa.gov/science-news/science-at-nasa/2014/10sep_jellyfish/
Possible DM explanation http://www.sciencedaily.com/releases/2014/09/140904121241.htm?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+sciencedaily%2Ftop_news%2Ftop_science+%28ScienceDaily%3A+Top+Science+News%29ƒŠ
DM could explain our missing galaxies http://www.sciencedaily.com/releases/2014/09/140908204603.htm?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+sciencedaily%2Ftop_news%2Ftop_science+%28ScienceDaily%3A+Top+Science+News%29ƒŠ
Diving tectonic plates on Europa http://www.sciencedaily.com/releases/2014/09/140908122244.htm?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+sciencedaily%2Ftop_news%2Ftop_science+%28ScienceDaily%3A+Top+Science+News%29ƒŠ
Planet found forming roundƒŠstar (KR Muscae, mag 6.8, Spec B9Vne)ƒŠ335LY away: http://www.sciencedaily.com/releases/2014/09/140908121511.htm?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+sciencedaily%2Ftop_news%2Ftop_science+%28ScienceDaily%3A+Top+Science+News%29ƒŠ
Some assembly required - in space: http://www.sciencedaily.com/releases/2014/09/140908125625.htm?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+sciencedaily%2Fspace_time+%28Space+%26+Time+News+--+ScienceDaily%29ƒŠ
Water ice clouds found outside our SS http://www.sciencedaily.com/releases/2014/09/140909110754.htm?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+sciencedaily%2Ftop_news%2Ftop_science+%28ScienceDaily%3A+Top+Science+News%29ƒŠ
The 'Venus zone' round stars http://www.sciencedaily.com/releases/2014/09/140910214145.htm?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+sciencedaily%2Ftop_news%2Ftop_science+%28ScienceDaily%3A+Top+Science+News%29ƒŠ
Mysterious quasar sequence explained http://www.sciencedaily.com/releases/2014/09/140910132520.htm?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+sciencedaily%2Ftop_news%2Ftop_science+%28ScienceDaily%3A+Top+Science+News%29ƒŠ
New observations for ALMA http://www.sciencedaily.com/releases/2014/09/140910132420.htm?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+sciencedaily%2Fspace_time+%28Space+%26+Time+News+--+ScienceDaily%29
How to grab space debris http://www.sciencedaily.com/releases/2014/09/140910120643.htm?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+sciencedaily%2Fspace_time+%28Space+%26+Time+News+--+ScienceDaily%29ƒŠ
Saturn Rings mystery http://www.sciencedaily.com/releases/2014/09/140910102040.htm?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+sciencedaily%2Fspace_time+%28Space+%26+Time+News+--+ScienceDaily%29ƒŠ
Geomagnetic storm mystery solved http://www.sciencedaily.com/releases/2014/09/140910083834.htm?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+sciencedaily%2Fspace_time+%28Space+%26+Time+News+--+ScienceDaily%29
Lithium mystery continues: http://www.sciencedaily.com/releases/2014/09/140910083325.htm?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+sciencedaily%2Fspace_time+%28Space+%26+Time+News+--+ScienceDaily%29ƒŠand https://www.ras.org.uk/news-and-press/2505-star-cluster-shows-lithium-shortfall-is-widespreadƒŠ
Supernova companion found: http://www.sciencedaily.com/releases/2014/09/140911094713.htm?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+sciencedaily%2Ftop_news%2Ftop_science+%28ScienceDaily%3A+Top+Science+News%29ƒŠand
Hot Jupiters wobble stars http://www.sciencedaily.com/releases/2014/09/140911135448.htm?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+sciencedaily%2Ftop_news%2Ftop_science+%28ScienceDaily%3A+Top+Science+News%29
Unravelling Venusian mysteries: http://www.sciencedaily.com/releases/2014/09/140911180754.htm?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+sciencedaily%2Ftop_news%2Ftop_science+%28ScienceDaily%3A+Top+Science+News%29
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21. TWITTER:ƒŠFollow theƒŠIAAƒŠon Twitter: The account is now operational again as before: IaaAstro.
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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
ƒŠƒŠ ƒŠIf 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.ƒŠYou can also make aƒŠdonation via Paypal if you wish: just click on the 'Donate' button.ƒŠƒŠSee also www.irishastro.org.ƒŠ
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Clear skies,
Terry Moseley
mob: (0044) (0) 7979 300842
I'm now back on Twitter (occasionally - I don't have enough time!), after some temporary hiccups: terrymoseley2
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Terry Moseley
