african astronomical history symposium

 

 

 

cape town, 2005 november 8 and 9

 

 

> Read the Report on the Symposium

 

 

 

 download complete programme booklet (421 kB)

 

 

 

FIRST DAY: 8 NOVEMBER
INDIGENOUS AFRICAN ASTRONOMY IDEAS & BELIEFS
 

08:30 Registration

09:00 - 09:10 Welcomes etc. (10 min)
09:10 - 10:00 Prof John McKim Malville: Astronomy and Stelae at Nabta Playa (50min)
10:00 - 10:30 Jeremy C. Hollmann: The Sky's things; /Xam Bushman cosmology (30min)

10:30 - 10:45 tea/coffee

10:45 - 11:00 W. Koorts & A. Slotegraaf: /Xam astronomical references in G R von Wielligh's Boesman-Stories (15 min)
11:00 - 11:10 Brian Fraser: Comets in bushman paintings (10 min)
11:10 - 11:35 Temba Matomela: The Indigenous Astronomical Knowledge of the Xhosa (15 min)
11:35 - 11:50 Lerothodi Leeuw: Setswana astronomical nomenclature (15 min)
11:50 - 12:05 Thebe Medupe, Brian Warner, Shamil Jeppie & Sharron Hawkes: The Timbuktu Science Project (15 min)
12:05 - 12:35 Dr J.O. Urama: Astronomy and Culture in Nigeria (30 min)
12:35 - 12:55 Anne Rogers: The Making of Cosmic Africa - the research behind the film (20 min)

13:00 - 14:00 lunch

14:00 - 14:45 Dr Jarita C. Holbrook: The Cultural Astronomy of Africa - Recent Activities (45 min)
14:45 - 15:30 Prof Keith Snedegar: Problems and Prospects in the Cultural History of South African Astronomy (45 min)

15:30 - 15:45 tea/coffee

15:45 - 17:45 Workshop: Social and Historical Aspects of the proposed NRF Astronomy Frontiers programme. Facilitator: Ms Candice Levieux (NRF). Includes: Keith Gottshalk: The Political Uses of Astronomy and Astronautics in South Africa; Dr Otsile Ntsoane: Scientification of Africa's Intellectual Heritage: What They Did Not Tell Us About The Sky People and Mystery; and Dr K. J. de Beer & Dr M. J. Hoffman: An Africanized study of astronomical history in the Northern Cape: South Africa for purposes of secondary and higher education programmes in tourism management.
 

19:30 Dinner at the Wild Fig Restaurant. This is at the Courtyard Hotel, up the road opposite the entrance of the SAAO. Secure parking available. (Map)

 

SECOND DAY: 9 NOVEMBER
CONTRIBUTIONS TO MODERN ASTRONOMY
 

 

09:00 - 09:45 Prof Brian Warner: The Origin and Development of the Royal Observatory, Cape of Good Hope (45min)
09:45 - 10:30 Kobus Meiring: Contribution on SALT (Southern African Large Telescope) (45 min)

10:30 - 10:45 tea/coffee

10:45 - 11:00 Dr I.S. Glass: Discovery of the nearest star (15 min)
11:00 - 11:30 D J Vermeulen: Some glimpses into the past at the Johannesburg Observatory (30 min)
11:30 - 11:45 Chris deConing: The Historical Section of the ASSA (15 min)
11:45 - 12:05 Dr Patrick Seitzer: The Large American Refractors in South Africa (20 min)
12:05 - 12:30 Dr Hakeem M. Oluseyi: Contributions from the First Half-Century of African American astronomers with a Focus on Solar Physics (25 min)

12:30 - 13:00 Tour of Royal Observatory

13:00 - 14:00 lunch

14:00 - 14:45 Dr Wayne Orchiston: Amateurs in the Antipodes: The Common Denominators of South African, Australian and New Zealand Astronomy during the Nineteenth and Early Twentieth Centuries (45 min)
14:45 - 15:05 Rupert Hurly: Some Forgotten Instruments and Oddities Concerning This Observatory (20 min)
15:05 - 15:25 W. Koorts: Transit of Venus Observations and Relics in South Africa (20 min)

15:25 - 15:45 tea/coffee

15:45 - 16:00 Prof Derck Smits: Astronomy at Unisa (15 min)
16:00 - 16:30 Mike Gaylard & George Nicolson: Forty years of radio astronomy at Hartebeesthoek (30 min)

16:30 Discussion, comments & concluding remarks

 

 

 

POSTER PAPERS
 

Dr I S Glass: Royal Observatory, Cape of Good Hope: The Vanished Past
W. Koorts: The nature of the Dawn's Heart Star
Graham Rodgers: San Scientific astronomy

 

 

 

FIRST DAY: INDIGENOUS AFRICAN ASTRONOMY IDEAS AND BELIEFS

 

09:10 - 10:00 Invited speaker: Prof John McKim Malville (Dept of Astrophysical and Planetary Science, University of Colorado)

  Astronomy and Stelae at Nabta Playa

  ABSTRACT: Lying about 100 km west of Abu Simbel in southern Egypt, Nabta Playa is an internally drained
  basin, which was occupied by pastoralists in the period of 11,000- 5000 years ago. During that time, the
  hyper-aridity of the Western Desert was interrupted by the northward movement of the summer rains of
  tropical Africa. Beginning about 7500 years ago a regional ceremonial center was established containing
  cattle burials, complex stone structures, a calendar circle, and sandstone stelae. The presence of these
  massive stelae suggests a long-lived political authority and a ceremonialism involving both the sun and
  stars. Like Stonehenge, the stelae of Nabta Playa have generated both science and controversy.

 

10:00 - 10:30 Jeremy C. Hollmann (Dept of Archaelogy and Anthropology, Natal Museum, Pietermaritzburg)

  The Sky's things; /Xam Bushman cosmology

  ABSTRACT: According to the /Xam, or Colonial Bushmen, who lived in what is now South Africa's Northern Cape
  Province, the celestial bodies and their present composition, position and 'behaviour' originate in events that took
  place in a mythological time in which all living organisms and natural phenomena possessed, simultaneously,
  human characteristics as well as those nascent properties which would later come to define them as the entities
  we know today. This presentation chronicles various /Xam narratives in which the nature and origins of 'the sky's things'
  are explained.

 

10:45 - 11:00  W. Koorts (SAAO) / A. Slotegraaf (ASSA)

  /Xam astronomical references in G R von Wielligh's Boesman-Stories

  ABSTRACT: The primary source of /Xam sidereal narratives are the well-known works by Bleek and Lloyd.
  We present two new /Xam accounts, explaining the origin of the Sun and the origin of the Evening Star, as
  collected and retold in Afrikaans by G R von Wielligh in Boesman-Stories, Part 1. We also present an
  English translation of those parts of the book which contain astronomical references.

  http://www.psychohistorian.org/vonwielligh/vonwielligh.html

 

11:00 - 11:10 Brian Fraser (ASSA, Jhb)

  Comets in bushman paintings

  ABSTRACT: One of South Africa's experts on Bushman painting, Bert Woodhouse, has a section in his
  collection of thousands of slides of paintings, of what he calls "comets". We will have a look at some
  of these and discuss his identification of the "comets"

 

11:10 - 11:35 Temba Matomela (Planetarium, CPT)

  The Indigenous Astronomical Knowledge of the Xhosa

  ABSTRACT: Xhosa people named many stars and star patterns in the night sky, and derived
  their calendar from heliacal risings and the cycle of the Moon. In particular, the reappearance
  of Isilimela (Pleiades) was used to set the date of initiation ceremonies. Planets were also
  observed. Much knowledge has already been lost but the author has attempted to recover as
  much as possible through field trips and radio broadcasts.

 

11:35 - 11:50 Lerothodi Leeuw (University of Chicago)

  Setswana astronomical nomenclature

  ABSTRACT: Africans across generations, like many people across the globe who can see, have been awed
  by the night-sky that is visible to the human eye, i.e. their natural astronomical instrument. To varying
  degrees, they have studied, commented on, and devised language for, often very specific and instructive,
  astronomical objects of their interest. As we await full scientific operations of the Southern African
  Large Telescope (SALT) and its studies of some of the optically faintest objects in the sky, we
  examine (or re-examine) selected names and understanding of astronomical objects in the Setswana
  language of South Africa and Botswana. We focus on their educational, scientific and cultural relevance
  today and in the past, giving special mention to the Moon and Venus, the optically brightest objects
  in the sky after the Sun.

 

11:50 - 12:05 Thebe Medupe, Brian Warner, Shamil Jeppie & Sharron Hawkes

  The Timbuktu Science Project

  ABSTRACT: Over six hundred years ago, Timbuktu was a major commercial centre in West Africa. Because
  of its prosperity, the city attracted Islamic scholars from the Islamic world, creating large learning centres.
  Books were traded, and local scholars wrote substantial original works as well. The subject covered in these
  centres included astronomy, mathematics, optics, literature, law and religion. We have started a project to
  search for the astronomy, mathematics and optics in these manuscripts. This is an introduction of what
  the project is all about, and the feasibility studies of the project.

 

12:05 - 12:35 Dr J.O. Urama (Dept. of Physics & Astronomy, University of Nigeria, Nsukka)

  Astronomy and Culture in Nigeria

  ABSTRACT: Astronomy cannot be said to be entirely new in Nigeria. Most of the ethno-astronomical views are
  revealed in the folklore, ancient architecture, religious practices, traditional poetry and art works of the different
  ethnic groups. In Nigeria, there are hundreds of cosmogony and ancient astronomical practices that need to be
  studied systematically. This paper discusses the need to bridge the gap between ethno-astronomy in Nigeria
  and modern astronomy by providing scientific interpretation to such cosmogonies and ancient astronomical practices.

 

12:35 - 12:55 Anne Rogers (Cape Town)

  The Making of Cosmic Africa - the research behind the film

  ABSTRACT: The African continent, with its great variety of cultures and ancient skylore, provides an ideal backdrop
  to examine and unearth indigenous astronomical knowledge that, for the most part, has largely remained
  undocumented. Several years ago a small group of filmmakers set off to document some of this knowledge which
  culminated in the documentary film, Cosmic Africa. The film was based on extensive field research which drew
  on the expertise of village elders, sky experts, shamans, historians, archaeologists, linguists, astronomers
  and anthropologists from seven countries. The vast and complex subject matter was eventually narrowed
  down to focus on archaeological evidence and the traditional knowledge of three different societies: the
  mysterious prehistoric cattle herders of the Egyptian Sahara (Nabta Playa),the Dogon of Mali (settled farmers)
  and the hunter-gathering lifestyle of the Ju/'hoan culture of north-eastern Namibia. This paper will address the
  various research methods used in the making of Cosmic Africa and also outline some of the rich and fascinating
  subject material - from countries such as Ghana, Swaziland and Kenya - which was omitted from the film.

 

14:00 - 14:45 Invited speaker: Dr Jarita C. Holbrook (Bureau of Applied Research in Anthropology, University of Arizona, Tucson)

  The Cultural Astronomy of Africa - Recent Activities

  ABSTRACT: We have reached a pivotal time in the study of the cultural astronomy of Africa. The last ten years
  has seen African scholars initiating projects, an increase in articles focused on African astronomy, the recognition
  of research in African astronomy at international meetings, and the building of a network of scholars and students.
  Together, let's look at what has been accomplished in African cultural astronomy and what remains to be done.

  http://www.uarizona.edu/~holbrook

 

14:45 - 15:30 Invited speaker: Prof Keith Snedegar (Dept of History and Political Science, Utah Valley State College, USA)

  Problems and Prospects in the Cultural History of South African Astronomy

  The inauguration of SALT is an auspicious moment to reflect on the history of South African astronomy, the
  manner in which it has been represented in the past, and how it might best be represented in the future.
  To begin, I will suggest that there is much to be learned about indigenous African astronomical practices,
  and the study of regional ethnoastronomies has value in advancing culturally relevant basic science education.
  I will also propose a mature historiography that embraces rather than avoids the issues of identity, politics,
  and racism in the modern South African astronomical community. The character of national institutions
  such as the Union/Republic Observatory and the SAAO, popular attitudes (black, white, and coloured)
  toward astronomy, the political dynamics of international collaboration, and the gradual transition from
  fundamental astronomy to astrophysics--all offer illuminating case studies of how the science was practiced
  and perceived. In other words, historians have plenty of opportunity to explore the manifold construction of
  human meaning in South African astronomy, and should not content themselves with the representation
  this rich scientific enterprise as personal anecdotes of data collection.

  http://www.uvsc.edu/profpages/view.cfm?user=snedegkei

 

15:45 - 17:45 Workshop on Social and Historical Aspects of the proposed NRF Astronomy Frontiers programme.

Ms Candice Levieux (NRF)

  Purpose of the workshop: In developing the Astronomy Frontiers Programme there is a shared and
  agreed vision that the social sciences and humanities research can actively make a contribution to
  the initiative by developing an understanding of the place and meaning of the night sky in African
  societies - past and present. To this end, the workshop aims to begin a discussion about possible
  directions of enquiry within this theme and to map a process for its further development. The workshop
  is open to all conference attendees.

Includes:

Keith Gottschalk (Political Studies Department, University of the Western Cape)

  The Political Uses of Astronomy and Astronautics in South Africa

  Astronomy and Astronautics lobby their cause in Western and developing countries alike as the
  gateway to attract young minds into careers in science, maths, engineering, and technology.
   The first democratic Government in South Africa, in its first decade, has surprised its friends
  and critics alike by committing more budget to Astronomy than all previous governments since 1910.
  The Minister of Science and Technology has announced that the young democracy will establish a
  national space agency.
   No leader of the Government or ruling party is known to have astronomy as his or her personal hobby.
  What caused these unexpected developments? How may astronomy maximize this political trend? What are
  the optimal strategies to sustain this state commitment? What would Government be receptive to in exchange?

Dr K J de Beer (Central University of Technology, Free State) & Dr M J Hoffman (UFS)

  An Africanized study of astronomical history in the Northern Cape: South Africa for purposes
  of secondary and higher education programmes in tourism management.

  ABSTRACT: Dr MJ Hoffman, Head of the Department Physics, UFS, presented an address at the Duineveld
  Secondary School in Upington to enhance courses in Toursm Management. He referred to the prominent
  role of astronomy as well. Very aptly, the National Institute for Higher Education; Northern Cape, also invited
  an astronomer, Dr T Medupe, to address their graduation ceremony in 2005. However, Dr Albert Strydom,
  Programme Head of Tourism Management at the CUT, is much aware of the delicate nature of this type of
  high scientific profile in Tourism Management. It is foreseen by Dr KJ De Beer, Director: Distance Education,
  that Teaching and Learning in this field will be predominantly conducted via Open Learning and Distance
  e-Learning methodology (ODEL). Subsequently, it is also important to understand the philosophy of ODEL
  within global and Africanized perspectives. Astronomy in this case offers excellent examples of Africanized
  science in practice to add scientific value to tourist packages in the Northern Cape.

Dr Otsile Ntsoane (Indigenous Knowledge Systems Unit, Dept of Science & Technology, SA)

  Scientification of Africa's Intellectual Heritage: What They Did Not Tell Us About The Sky People and Mystery

  ABSTRACT: The dawn of the new millenium and the branding of this epoch to be the African century revealed esoteric
  and wisdom based knowledge systems which were kept secret and sacred for many centuries before. The history of
  heavenly bodies and the interpretations of the galaxies should not be a monopoly of western science and its
  technology but a shared wisdom combining human intellectual evolution and human settlement based on cosmology.
  This paper will look at selected texts about the Afrocentric cosmology and how it is linked to the human
  development and social cohesion and philosophy among BaSotho/BaTswana as case studies of Southern
  Africa and Dogons of Mali representing North-Western Africa. A conclusion is drawn by demonstrating that
  Philosophy and cosmology are the basis for defining a cosmogony among African communities. What is of
  essence in this African century is to open the window for multiple interpretations of the universe. This includes
  utilizing African Indigenous Knowledge Systems and orality in knowledge production and research.

 

 

 

SECOND DAY: CONTRIBUTIONS TO MODERN ASTRONOMY

 

09:00 - 09:45 Prof Brian Warner (Department of Astronomy, University of Cape Town)

  The Origin and Development of the Royal Observatory, Cape of Good Hope

  ABSTRACT: The African Astronomical History Symposium is taking place at the
  site of the old Royal Observatory, Cape of Good Hope. There are many
  buildings and remains of the long history of astronomy that was carried
  out there. The talk will give an overview of the beginnings of the
  observatory, and of its work, which will help to inform the visitors of
  the nature of the extant buildings and instruments.

  http://mensa.ast.uct.ac.za/staff/warner.html

 

09:45 - 10:30 Kobus Meiring (Project Manager of SALT)

  Contribution on SALT (Southern African Large Telescope)

  ABSTRACT: The Southern African Large Telescope (SALT) is a 10-m class telescope for optical/infrared
  astronomy based on the tilted Arecibo design first adopted by the Hobby Eberly Telescope. SALT has
  been constructed by a South African project team commissioned by a consortium consisting of 11 partners
  from six countries. SALT will enable a quantum leap in astronomical research capability in the African
  continent, where up to now the largest telescope was a modest 1.9-m, dating to the 1940s. The SALT
  Project was approved in November 1999, groundbreaking followed in September 2000, and "First Light"
  was announced on 1 September 2005, exactly five years after groundbreaking. SALT has subsequently
  started scientific observation, while instrument commissioning is on-going. The major technical obstacles
  in SALT were the alignment of the 91 identical spherical mirror segments, the position feedback of the
  prime focus tracker, and the dome seeing associated with large enclosures at a sight with large daily
  thermal cycles. All of these issues were addressed thoroughly during the design phase, and observations
  are showing very positive results in all these areas. This talk will summarize the international partnership
  in SALT and the management and organisation of the project and then address the basic design, with
  emphasis on the technical challenges and the specified performance of SALT, and then summarise the
  construction process.

 

10:45 - 11:00 Dr I.S. Glass (SAAO)

  Discovery of the nearest star

  ABSTRACT: Proxima Centauri, the nearest star other than the sun, is part of a triple system, its other members
  being the two components of the bright double star Alpha Centauri. In the nineteenth century, Alpha Cen was
  the nearest star known, thanks to data obtained at the Royal Observatory, Cape of Good Hope. Proxima, the
  present nearest known star, was discovered to be such in 1917 at the Union Observatory (later Republic
  Observatory) in Johannesburg.

  http://www.saao.ac.za/~isg

 

11:00 - 11:30 D J Vermeulen (ASSA JHB)

  Some glimpses into the past at the Johannesburg Observatory
 
presented by AW Herder

  This presentation is illustrated with some of the many pictures appearing in the author's
  book 'Living amongst the stars' which it is hoped will be published in the near future.
   It starts with the work done by David Gill at the Cape Royal Observatory on astrophotography leading
  to J C Kapteyn's contribution to the Cape Photographic Durchmustering and the subsequent friendly
  relationships with observatories in the Netherlands.
   The opening of the Transvaal Meteorological Department in 1905 is illustrated leading to the first
  astronomical ventures. By 1910 the observatory was committed to southern sky mapping and continued
  along this path until 1938. The successive telescopes are illustrated.
   The presentation continues with sketches of the Union and Republic Observatory directors and shows
  some of their contributions to astronomy and timekeeping. Co-operation with Leiden Observatory is shown
  at the Broederstroom annexe.

 

11:30 - 11:45 Chris deConing (ASSA, CPT)

  Introduction to the ASSA Historical Website

  I wish to give a presentation on the Historical website which forms part of the ASSA website,
  hosted by SAAO. The purpose is to introduce it to the wider community interested in the
  history of astronomy. The presentation will include: how the website came about, its goals
  and  aims, its layout / structure, the work that has been done and the advantages of a
  website as a medium for storing, presenting and making available the information.

 

11:45 - 12:05 Dr Patrick Seitzer (University of Michigan)

  The Large American Refractors in South Africa

  ABSTRACT: In the first third of the 20th century South Africa became the center for universities from the USA
  pursuing astronomy in the Southern Hemisphere. Harvard had its station at the Boyden Observatory near
  Bloemfontein, while two other universities built and installed large refractors for specific observational
  programs. The first refractor was the 66-cm of Yale University located in Johannesburg, and used for the
  photographic determination of stellar distances. The second was the 68-cm visual refractor of the University
  of Michigan located at the Lamont-Hussey Observatory on Naval Hill in Bloemfontein, and dedicated to visual
  observations of double stars. These telescopes became the first southern hemisphere stations for both universities.
  While both were used extensively for many years, sadly neither telescope remains in existence today. The Yale
  refractor was moved to Mt Stromlo in Australia in 1952, where it was destroyed in the fire of 2003. Observations
  with the Lamont refractor continued until 1971, and shortly thereafter the lens was returned to Michigan and the
  telescope parts removed from the dome (now used as a theatre).

 

12:05 - 12:30 Dr Hakeem M. Oluseyi, (U Alabama Huntsville)

  Contributions from the First Half-Century of African American astronomers with a Focus on Solar Physics.

  ABSTRACT It has been exactly half a century since the first African American received a Ph.D. degree and
  successfully entered into a career in astronomical research. Since that time, a total of twelve scientists have
  followed in the wake of this trailblazer. Exactly half of these chose to spend a major portion of their career in
  the field of solar physics. The contributions of these six individuals have had a profound impact on our
  understanding of the sun, stars, and their immediate environments. In this talk I will review the scientific
  contributions of these scientists and develop the historical & social context their work.

  http://www.uah.edu/physics/personnel/faculty/oluseyi.html

 

14:00 - 14:45 Invited speaker: Dr Wayne Orchiston (James Cook University, and Anglo-Australian Observatory)

  Amateurs in the Antipodes: The Common Denominators of South African, Australian and
  New Zealand Astronomy during the Nineteenth and Early Twentieth Centuries

  ABSTRACT: During the second half of the nineteenth century amateur astronomy flourished in Australia.
  Like their professional counterparts, Australia's leading amateurs carried out wide-ranging astronomical observations.
  Comets, planets, minor planets, lunar occupations, Jovian satellites, transits of Mercury and Venus, solar and
  lunar eclipses, double stars and variable stars all belonged in their portfolios, and they published in international
  journals and relentlessly popularized astronomy. Local societies were founded, and amateur telescope-making
  came of age. However, a major change took place during the first two decades of the new century as Australian
  amateurs turned increasingly to comets and variable stars and abandoned other celestial targets.
   South Africa and New Zealand had much smaller nineteenth century amateur astronomical populations, and
  the few international-level amateurs tended to focus: with South Africa's AW Roberts it was variable stars
  while for New Zealand's John Grigg it was comets. These two fields then increasingly captivated the growing
  bands of observationally-oriented amateurs in both nations between 1910 and 1930―just as in Australia.
   In this paper we will embark on a 'Cook's tour' of South African, Australian and New Zealand amateur
  astronomy of the period 1850-1930. We will explore some of the key personalities, visit their observatories and
  instruments, review their observations and discuss their involvement in the earliest astronomical groups and
  societies. Along the way we will compare and contrast the patterns in these three countries, identify 'common
  denominators' and major differences, and seek explanations for these.

 

14:45 - 15:05 Rupert Hurly (ASSA, Cape Town)

  Some Forgotten Instruments and Oddities Concerning This Observatory

  ABSTRACT: Since 1957 things that have been here but have been removed or are no longer used include: the
  large searchlight, the kine-theodolite, three sets of Moonwatch telescopes, the 6-inch used twice daily for
  sunspot photographs, the hydrogen-alpha filter sun camera, the 40-inch now in  Sutherland, the Danjon Astrolabe
  and the Transit instrument.

 

15:05 - 15:25 W. Koorts (SAAO)

  Transit of Venus Observations and Relics in South Africa

  ABSTRACT: Apart from local observations, two international expeditions observed the 1882 Transit of
  Venus from South Africa. The British/South African efforts observed from four stations, using a total of 11
  telescopes while the Americans employed four instruments, including the telescope of the ladies
  seminary where they stayed.
   Very few relics survived to this day. Most well known are the two concrete piers in Touws River. A Dallmeyer
  equatorial mount was recently discovered at a school in Somerset West which may have originated at the Touws
  River site.
   At SAAO Cape Town, a typical "transit of Venus" 6-inch Grubb equatorial, used by Sir David Gill, is still in
  working condition. The wooden tube 7-inch Merz refractor, used by George Maclear (son of Sir Thomas),
  today serves as a finder telescope and its original "cannon ball bearing" dome and equatorial mount can be
  seen, right next to the venue for the AAHS. The site at Aberdeen Road in the Eastern Cape was recently
  located using a GPS fix and the area examined for possible relics. Unfortunately none were found but the
  position of the site with respect to Aberdeen Road raises some questions.
   The position of the site of the American expedition to Wellington could since be located within metres after
  obtaining Simon Newcomb's report, showing that my previously assumed position was wrong. His report
  further revealed some interesting details not known before.

 

15:45 - 16:00 Prof Derck Smits (UNISA)

  Astronomy at Unisa

  ABSTRACT: In 1916 the University of the Cape of Good Hope, an examining body with the power to grant
  degrees, was transformed into a new federal university. The name of the institution was changed to
  the University of South Africa (Unisa) and its headquarters were moved to Pretoria. Astronomy has been
  offered at Unisa since 1923, the same year in which the Astronomical Society of Southern Africa
  was formed. In response to pressure from unattached students from all races to obtain qualifications
  without attendance at a university or college, in 1946 Unisa started teaching some subjects internally.
  With about 200,000 students, Unisa is one of the largest distance education institutes in the world.
  In 1960 Mr J. Wolterbeek was appointed as the first full time lecturer in Astronomy, and in 1972 the
  9-inch Reunert Telescope, donated to Unisa by the Republic Observatory, was installed in a roof-top
  observatory on the new Theo van Wyk building on Mucklneuk Ridge. Unisa currently offers a BSc
  major in Astronomy and post-graduate tuition up to the PhD level.

 

16:00 - 16:30 Michael Gaylard & George Nicolson (Hartebeesthoek Radio Astronomy Observatory)

  Forty years of radio astronomy at Hartebeesthoek

  In 1961 an 85-foot (26-metre) diameter radio antenna was erected at Hartebeesthoek near Johannesburg,
  as NASA's Deep Space Instrumentation Facility 51. A young South African engineer employed there soon
  initiated a radio astronomy research programme to use free time between tracking spacecraft. On the closure
  of the facility by NASA in 1974, it was re-constituted as a radio astronomy observatory operated by the CSIR.
  In this presentation we highlight various strands of the forty year history of radio astronomy at Hartebeesthoek.
  We also cover some of the perhaps surprising spinoffs that it has generated, both scientifically and practically.
  Some of these spinoffs hark back to measurements taken by de la Caille at the Cape in the 1750's, and to the
  reasons for establishing a Royal Observatory there in the 1820's.

 

 

 

 

POSTER ABSTRACTS

Dr I S Glass (SAAO)

  Royal Observatory, Cape of Good Hope: The Vanished Past

  The Royal Observatory site is an architectural palimpsest: while some of the
  early buildings remain, others have disappeared and their sites have been
  built over. This poster shows an index map of the campus with pictures from
  the archive of vanished buildings such as the Wind Tower (site of the first
  photographic sky survey, the Cape Photographic Durchmusterung), the magnetic
  observatory of the 1840s, the remains of the Franklin-Adams observatory etc.
  Some of the photographs (taken by C.P. Smyth) date from ca 1843 and are the
  oldest in existence of any observatory as well as being the earliest made in
  South Africa.

 

W. Koorts (SAAO)

  The nature of the Dawn's Heart Star

  ABSTRACT: One of the most developed San narratives is the story of the Dawn's Heart. Not only does it
  link Earth/Sky, Day/Night and Culture/Nature but continues to present the Dawn's Heart Star with an
  accompanying legend, telling about a very close relation between father and child. In contrast to Venus
  outshining Jupiter by far, the /Xam saw Jupiter as the Dawn's Heart Star. Bleek recorded that this southern
  dialect had related but two seperate words for Jupiter and Venus, suggesting that they did not mix them up.
   Westeners had often been astounded by some of the abilities attributed to the San, amoungst which was
  extraordinary eyesight. The possibilty for them to be able to see some of Jupiter's moons is a present-day
  legend. Two primary sources claim that the movements of Jupiter's Galilean moons exactly fits this
  legendary story of a child being swallowed, being spat out, always following her parents closely.
  Over the years a number of accounts of people spotting Jovian satellites were recorded. Schaefer (1991)
  developed a model showing that above-normal eyesight is indeed required, but that it is quite possible. 
  This explaination is offered to why Bleek (1875) mistook it for a nearby background star (Regulus) when
  his /Xam informant tried pointing out the significance of the Dawn's Heart Star to him. It is suggested that it
  was impossible for Bleek to see what was so clear to his keen-eyed informant.

 

Graham Rodgers (ASSA Cape Town)

  San Scientific astronomy

  ABSTRACT : The San (Bushmen) people devised an astronomical instrument, a
  modified form of bored-stone and digging stick, to site and orientate
  observing shrines, some of which are extant, 60 km south of the SALT
  telescope.
   The presentation will consist of illustrations to explain the
  interpretation of the hyperbola pattern obtained from the stele.
  The pattern indicates the equinoxes with a straight line along the congruent
  axis of the hyperbola, on the equinox dates.
   Practical Demonstration: A practical demonstation will be set up in
  sunlight to be viewed during the tea/coffee or lunch breaks, and
  explanations given of San beliefs and lore, to account for the building of
  the shrines.

 

 

 

 

 

 Return to the AAHS homepage.

 

 

 

 

 

 

 

 

Supported by the

 

 

 

National Research Foundation

 

South African Astronomical Observatory

 

 

 

Stellakaya

 

 

 

(c) Astronomical Society of Southern Africa 2004,2005
url: http://www.saao.ac.za/assa/aahs/index.html
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