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AAS News and Observing Reports

Night at the Museum Event (17 May 2008)
Night at the Museum Event  held at the Zoology Museum and Natural History Centre on the University of Aberdeen's historic King's College campus. Interactive festivities included star and planet gazing with the Aberdeen Astronomical Society 

    

Dark Sky Observing Meeting (07 Sep 2007)
Five member of the society had a very enjoyable evening up at Dark Sky site on Friday evening. The early evening sunshine suggested good conditons for the dark hours, so we were initially disappointed with total cloud cover when we arrived at 9:30 pm. Patience paid off though as good clear spells materialised within an hour and we spent a good couple of hours with a few telescopes and one of our new 25x100 binoculars. 

It was good to see that the old favourites are still there (M13, M27, M57, etc.). I was pleasantly surprised at how many of these could be picked up with the binoculars. In particular the view of the Double Cluster in Perseus was breathtaking, as was the Andromeda Galaxy, M31. Just scanning the Milky Way through Cygnus threw up numerous delights. [D.Moody]

   

Phil Hart wins Honourable Mentions for astrophotos at prestigious "David Malin Awards", 2007. Phil Hart recently entered a number of his astro-images in the fourth annual David Malin astrophotography competition, hosted by the Central West Astronomical Society in Parkes, NSW, and came away with three honourable mentions in the Amateur Deep Sky and Amateur Solar System categories.  >> Picture of Phil Hart with David Malin

 

     
Photo Copyright: Phil Hart

 [More  http://www.parkes.atnf.csiro.au/events/astrofest/awards/ ]

    

Perseid Meteor Observing by AAS Members (12/13 Oct 2007)
Although cloud prevented meteor observing from the inland Dark Sky site, a number of AAS members saw Perseids in breaks in cloud from various locations around Aberdeen.
 
Date Observation (Times below are BST)
12/13th Aug Last night was clear for quite a while. I managed to observe 5 Perseids and one erratic from 10:45 to 11:30 pm. Then the clouds rolled in. [Chris Higgins, Craigievar]
 
Cloud. Perseids was a no-show for me. [Darren Moody, Bancory]
 
Clocked up a nice total of 16 meteors over a 45 minute period at our alternative viewing location near Doonies Farm, Altens. [Torcuill Torrance / Andrew Crockford ]
 
Braved the light polluted skies of our urban back garden in Stonehaven to check out these Perseid things between about 0045 and 0115 (BST). We saw 8 meteors including one spectacular and lingering fireball before the clouds rolled in [David Croston, Stonehaven]
 
Pretty pleased with our haul of 20 in an hour + one sporadic. Cloud cover initially was almost total but cleared to give a reasonable chunk of clear sky which swept across from south to north [Karen Yuill, Balmedie]
 
Cloudy each time I looked out.  [David Richards, Newburgh]
 
13/14th Aug Clear skies tonight.  Although I was mainly occupied with CCD imaging,  I noted that the Perseid's were putting on quite a good show (around 30 plus over a 3.25 hour period, 23:30 to 02:45 BST). No fireballs, but occasional flurries with 3 to 5 meteors over a two minute period.    [David Richards, Newburgh]

   

Observing Meeting, Woodbank (27 Apr, 2007)
Around 12 members of the society met at Woodbank and using three telescopes between 3.5 and 8" diameter viewed Moon, Venus and Saturn in the early evening event.

   
Moon through telescope, 
digital image (
Paul Nesvadba)

Pictures from Observing Meeting at Woodbank (Apr 27th)
 Pictures by Paul Nesvadba. Click on images for larger picture.

 

   

Public Observing Session, Lunar Total Eclipse (3 Mar 2007)
A large crowd of people enjoyed a spectacular view of the total lunar eclipse on Saturday 3rd March from the Bettridge Centre in Newtonhill. About 80 people joined members of Aberdeen Astronomical Society for the event, enjoying a talk on eclipses, a tour of the night sky as well as a great view of the eclipse through an array of telescopes and binoculars. 

Earlier in the evening, AAS President Darren Moody had described what happens during eclipses, giving the audience a good feel for what to expect as the show progressed. As the Earth's shadow crept across the face of the Moon, the sky gradually got darker, more stars began to appear and the Moon took on a dark red tinge. At the moment of totality, just before 11 pm, there were even some cheers from the crowd that consisted of young and old as well as local and foreign visitors. 

Darren Moody added "The view through binoculars was spectacular, with the Moon's colours varying from coppery-red to yellow to bluish-grey at the edges. The Moon takes on this unusual colour as sunlight is bent through Earth's atmosphere to illuminate the Moon." Some clouds blocked the view for a few minutes, but these soon cleared leaving an uninterrupted view until the main part of the eclipse ended at 1:10 am. The enthusiastic crowd also enjoyed views of Saturn, the Orion Nebula and numerous constellations and star clusters. AAS member and Newtonhill resident Torcuill Torrance said "It was a spectacularly successful evening. There was a real buzz about the event.".

 
See more Gallery Pictures of
Total Lunar Eclipse

   

   

Dark Sky Scotland Event, Durris (9/10 Feb 2007)
Report to be added shortly.

   

Geminids Meteor Observing by AAS Members (13 Dec 2006)
Several members of AAS enjoyed a clear, windy, but surprisingly mild night (temperatures a balmy 11 degrees C) for the peak of the annual Geminids meteor shower on December 13th. The peak was not forecast to occur until about 8 am on the 14th, but judging by the counts we made, the peak appears to have arrived early. A grand total of 652 Geminids were counted between 9:20 pm and 2:50 am, when clouds finally started to arrive. The breakdown of this count is as follows: 

9:20-10:20 pm: 60 Geminids (3 observers) 
10:20-11:20 pm: 135 Geminids (4 observers) 
11:20-12:20 am: 155 Geminids (3 observers) 
12:20-1:20 am: 150 Geminids (2 observers) 
1:20-2:20 am: 100 Geminids (2 observers) 
2:20-2:50 am: 52 Geminids (2 observers and increasing cloud).

This ties in really well with the peak that is showing up in early reports on the IMO website (http://www.imo.net/), where a peak ZHR of 110 is recorded at 1 am.  [ZHR is defined as being for a single observer (you're not really supposed to combine the counts of more than one person), but the peak rate of 110 agrees quite well with our observations] 

This probably ranks as one of the best nights of meteor observing we've had at AAS since the Leonid events of a few years ago.


Picture of  Geminid Meteor by Alisdair Farquhar 
14-Dec-2006 | Larger picture 

   

Leonid Meteor Observing by AAS Members (18/19 Nov 2006)
After cloud cleared a number of AAS members observed the Leonid Meteor Shower on the night of Nov 18th/19th from locations west and north of Aberdeen city.  Reports for morning of Nov 19th, when taken together are consistent with an increase in meteor count around the time of the predicted peak (04:45 hUT):
Time (hUT) Observation
00:00 - 01:00 Very Few Leonids [Darren Moody, Banchory]
02:15 - 04:15 Observed S/SW from window in house. 2 Leonids plus 1 sporadic [David Richards, Newburgh]
04:15 - 05:30 Increase in frequency, 8 Leonids in period, most fairly faint and short. Limiting mag ~ 4.5.   [David Richards, Newburgh]
04:25 - 05:25 I counted 22 Leonids in the hour, which is slightly lower than what I expected. Skies were very clear probably down to about mag 5.5. Light pollution and slight haze may have drowned out some faint meteors. Estimated ZHR ~ about 60.  [Darren Moody, Banchory]
04:30 - 06.15 31 Leonids in timeframe plus about 5 sporadics. 1 really bright Leonid in Virgo that left a trail that stayed around for about 5 seconds at 5.54am. Some light pollution so  some fainter ones may have been missed altogether [Karen Yuill, Balmedie]

   

Dark Sky Observing (Sat, 21 Oct 2006) - Orionids Meteor Shower and Comet Swan : Despite the poor weather during the day, skies finally cleared for a couple of hours on Saturday evening allowing observing of the Orionid Meteor Shower. Before the radiant rose and meteor activity started I took the opportunity to observe Comet Swan low in the north-west. I didn't have my telescope with me, as the dampness of the air and ground would have led to a constant battle with dew. I had a good look through binoculars and could just make out a tail to the comet, which was in the constellation Bootes at the time. Started meteor counting at 10:30 pm. I counted 13 meteors up until about midnight, when clouds came across and ended the session. One or two of these were bright with trains that persisted for a couple of seconds. This number was about what I expected for this moderate meteor shower with a radiant that had only just risen. [Darren Moody, Midmar Dark Sky Site]

  

Successful Public Observing Night  (30 Sep 2006) : On Saturday 30th September, AAS held a very successful public observing night for the Aberdeenshire Council Ranger Service at the Bennachie Centre, near Chapel of Garioch. Despite clouds threatening from the west at sunset, skies were completely clear by the time full darkness fell. About 25 people came along to enjoy a talk on the subject "Pluto and Beyond" followed by a guided tour of the autumn night sky. The main objective of the evening was to give people the opportunity to experience the night sky through a variety of telescopes. Among the objects viewed were the Andromeda Galaxy, the Ring Nebula, the Hercules Globular Cluster, the double star Albireo, the galaxies M81 and M82, the Perseus Double Cluster and the North America Nebula. We even arranged for a meteor to fly past just as we were pointing out a satellite! The next public observing event will probably be timed to coincide with the total lunar eclipse in March 2007, so watch this space.

  

Dark Sky Observing (26 Aug 2006) : Last night's star party had a record of 7 'scopes setup, with another 6 or 7 pairs of binoculars to boot - including a larger pair of 25x80's for fun. We seemed to have a good mix of Maksutov-Cassegrain/Schmidt-Cassegrain goto's, a very nice refractor with a whopping 2-inch eyepiece and a selection of reflectors. 

The group observed a variety of objects ranging from old favourites like M57 The Ring Nebula, Saturn Nebula, Dumb-bell, Pinwheel, Pegasus Cluster, M2, M73, M72, M29, M13, M92, M33/4, M32/110/31, Whirlpool Galaxy, Wild Duck Cluster, The Pleiades, and Torc's first sighting of Neptune. It was noted that the variable star Chi Cygni in Cygnus seems to have died down considerably. Bodes and the Cigar Galaxy also made it onto the viewing lists.

Everyone was able (and encouraged!) to look through other 'scopes and eyepieces, with many a "credit-card-damaging" mental note being taken. The weather was extremely kind, it was almost completely clear until we got too tired past 2 am. There was one small cloud that was hovering to the south but it seemed to get thinner as the night wore on. In all everyone had a great time - and Andrew has brought a new snack, the KG007 sandwich - its Meteor! 

Lets hope this is just the start of a great observing season.

 

Cloud obscures view of Perseid Meteors (12 Aug 2006) : The annual Perseid meteor shower is usually taken as the start of the new AAS observing season and allows us to watch the skies in the relative comfort of slightly warmer evenings. The timings of the meteor shower were ideal for UK observers this year, with a predicted peak occurring just after midnight (and it was a Saturday night). 

We always knew that we would be battling against the moonlight to see many meteors, but we would have been happy to put up with it. As it turns out, complete cloud cover and drizzle prevented the three optimists who turned up at the dark sky site from even seeing the Moon. The peak of the Perseids seems to have fallen in the middle of a week without any clear skies, so there are no reports of any meteors from the Aberdeen area. 

Hopefully we'll have better luck with the Leonids and the Geminids.

[ See pictures of what we missed on SpaceWeather photo gallery  ]

 


AAS Revised Logo (Jul 2006)

AAS Logo with words - Sept 2007 ]


AAS Web Site receives fresh look (Jul 2006) : AAS Web Site updated with a fresh look and a move to new site (www.aberdeenastro.org.uk)

 


Radio Scotland Feature : AAS Stars on Radio Scotland !  In December 2005, Aberdeen Astronomical Society featured on the Radio Scotland programme "Out of Doors".  Radio presenter Joanna Rae came along to one of our Woodbank meetings to find out what amateur astronomers get up to at night!  Skies were clear (and temperatures were sub-zero!) and we were able to show her Mars and other celestial delights through the telescopes.  This was probably our best Woodbank turnout, with about 20 people there.

 


Public Observing Evenings : Our public observing evenings are becoming very popular.  Unfortunately we can't always get rid of the clouds.  One of our events last year at the Bennachie Centre was a tremendous success!  Despite the frequent snow showers, a large crowd were able to observe the planet Saturn, which was high in the sky at the time.  At the event AAS president John MacNicol presented The Forestry Commission's Jackie Cumberbirch with a framed aurora photograph taken by Phil Hart from our dark sky site in recognition of their permission to allow AAS to use the site.

From left: Phil Hart, John MacNicol and Jackie Cumberbirch   Members of the public enjoy their first views of Saturn through a telescope
Photos courtesy of Aberdeen Journals Ltd.

 

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