Monday 21th May 2018 (19:45).
Venue: Ely House, 8 Ely Place, Dublin 2. All welcome, free event.
All members requested to attend. Please note the slightly earlier start time for this meeting.
Committee member Michael Grehan will present some practical demonstrations and experiements about the Physics of Light and Optics.
On Tuesday 13th February 2018 the IAS began a new a course on elementary astronomy. It consists of 12 weekly one-hour sessions. The venue is the People's College in the Teachers' Club, Parnell Square, Dublin 1.Please see details.
Our yearly almanac Sky-High 2018 is now available. It is now in its 26th year.
Sky-High has articles on upcoming events regarding Planets, Asteroids, Comets, Meteors and Variable Stars. It has a detailed Diary tailored for Irish Observers. It includes a handy table of sunset and twilight times as well as Moon phases. It also features a number of guest articles.
Please see more details, that includes information in obtaining a copy.
Please note that paid-up IAS members will mailed a free copy soon.
2018 Jan 11: Two more back issues (2004 and 2005) of Sky-High have been added to the Sky-High Archive.
Angela O'Connell reports:
A view of totality from the MS Volendam, on the starboard bow, mid-ship. We were located in the Makassar Strait between the islands of Borneo and Sulawesi, about 1½ degrees south of the equator. The sea was surprisingly calm and the ship was steady allowing those of us with tripods to relax and concentrate on the spectacle which lasted 2 min 46 sec approximately. Photo (at left) taken 08:34 (local time), 9th March 2016 with Lumix GM5 on automatic night scene setting.
Terry Moseley reports:
The solar corona during totality. Photo taken 08:36 (local time), 9th March 2016 with Canon Power Shot with x42 zoom.The next total solar eclipse occurs in August 2017, only touching land in USA.
We were treated to a fine total lunar eclipse.
The photo of the eclipse was taken by J. O'Neill, at 02.21 UT, with a 106 mm refractor at f/8. This was 10 min after the start of totality.
The next total lunar eclipse visible from Ireland occurs in July 2018.
Members please report any observations, drawings or photographs to our Director of Observations, Liam Smyth for inclusion in the next issue of Orbit.
In late May 2015, the comet passed about 1° from the pole star Polaris. Remarkably, it was still visible (as of 23 May) in binoculars, at just below mag 8. It was an excellent time to image the comet with a fixed camera, as trailing would be slight.
The photo (below) of the comet is by John O'Neill and was taken on 9-10 January 2015 (cropped; 200 mm camera lens). The drawing of 19 January 2015 is by Deirdre Kelleghan, with details appended.
Please report any observations, drawings or photographs to our Director of Observations, Liam Smyth.
2018 Feb 13 IAS Classes began.
2018 May 21 AGM (and talk)
Please see EVENTS/opposite for more details and further events.
If you would like to attend Dunsink Observatory Public Open Nights that are supported by the IAS, you can find more details at Dunsink Observatory.