Notice of Next Meeting
Our next monthly meeting takes place on:
- Date: Wednesday 14 August 2019
- Time: 19h00 for 19h30
- Location: Jhb. Observatory
- Presenter: David Rogers
- Topic: “Fifty Years after Apollo – how did they get it right?”
- Donation: R20 pp for tea and snacks
Meetings generally last about one and a half hours, and include a Topic of Interest, What’s Up in the Night Sky, and the Main Speaker’s Presentation. Tea and coffee are served afterwards. Visitors are welcome.
Sky and Braai
Our next monthly Braai takes place on:
- Date: To Be Confirmed
- Time: 16h30
- Location: Jhb. Observatory, Top of the hill at the Herbert Baker Library. Map.
- Topic: Whats Up – a detailed overview af some objects.
- Donation: R20 pp for the fire wood. Children under 15 free.
Agenda:
- 16h30 – Arrival and Fires started
- 17h00 – Braai
- 18h00 – Presentation
- 18h20 – 10 min Break
- 18h30 – Viewing
- 20h00 – close domes and lock up.
Our fire glows warmly with a spirit of friendship settling to waft delicious aromas that pervade the olfactory nerves, creating intense appeal for taste buds.
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The murmering and chuckling displays delight, comfort and contemplative joy at what will be seen in the sky tonight. Bursts of joyous laughter bring one back to the chatter and fun of the evening. Do join ASSA JHB on the hill for a lovely evening of sky and braai. Dress warmly, bring along your meat to braai, your condiments, drinks and salads, anything you need for your meal, hmm… fingers were invented before knives and forks? and oops, do not forget a chair or ‘situpon’. You may bring your own telescope if you want to.
Events
Where Are the Stars? See How Light Pollution Affects Night Skies | Short Film Showcase
Of the many ways Earth is polluted, light pollution may be the least talked about. It's not an illusion; astronomers measure it from one to nine on the Bortl...
youtube.com
The Monthly meeting on Wednesday 14 August will be held in the Observatory auditorium (18A Gill St, Observatory - 19h00 for 19h30). David Rogers will talk on "Fifty Years after Apollo - With so much going wrong, how did they get it right?"
.URGENT Notification! Monthly Meeting Notice..
Date: 15 May 2019
Time: 19h30
Venue: Kingsmead College, Rosebank
Next to Rosebank Gautrain Station.
Entrance in Tottenham Avenue.
Speaker: Neil Viljoen
Topic: Astrophotography
2nd speaker Verlin Govender
Topic: Time Travel
Visitors are welcome.but must please contact Monica Loubser at monicaloubser.ml@gmail.co.za to verify attendance.
See www.astronomyjhb.co.za for details.
Date: 15 May 2019
Time: 19h30
Venue: Kingsmead College, Rosebank
Next to Rosebank Gautrain Station.
Entrance in Tottenham Avenue.
Speaker: Neil Viljoen
Topic: Astrophotography
2nd speaker Verlin Govender
Topic: Time Travel
Visitors are welcome.but must please contact Monica Loubser at monicaloubser.ml@gmail.co.za to verify attendance.
See www.astronomyjhb.co.za for details.
Our next monthly meeting takes place on:
Date: Wednesday 10 April 2019
Time: 19h00 for 19h30
Location: Wits Planetarium
Presenter: Dr Andrew Chen
Topic: The seven wonders of TRAPPIST-1
Donation: R20 pp for tea and snacks
All ASSAJHB members welcome. Visitors to book through Monica Loubser.
Cell: 084 405 4005
E-Mail: monicaloubser.ml@gmail.com
Date: Wednesday 10 April 2019
Time: 19h00 for 19h30
Location: Wits Planetarium
Presenter: Dr Andrew Chen
Topic: The seven wonders of TRAPPIST-1
Donation: R20 pp for tea and snacks
All ASSAJHB members welcome. Visitors to book through Monica Loubser.
Cell: 084 405 4005
E-Mail: monicaloubser.ml@gmail.com
13 March monthly meeting.
Venue : Wits Planetarium
Time : 19h30
Speaker : Dave Blane
Topic: The Island Universes
Dave will take us on tour of the amazing objects we know as galaxies that make up our universe, there origins, structure, classification and how intertwined they are in the cosmic thread of dark matter.
This is an ordinary meeting. There is no Planetarium show.
R20 donation for refreshments.
Sky Guides will be available at R35 each.
Visitors and friends are welcome but we have had to restrict the numbers. We therefore have allocated place for 20 visitors who must please book through Monica Loubser via email. monicaloubser.ml@gmail.com
Venue : Wits Planetarium
Time : 19h30
Speaker : Dave Blane
Topic: The Island Universes
Dave will take us on tour of the amazing objects we know as galaxies that make up our universe, there origins, structure, classification and how intertwined they are in the cosmic thread of dark matter.
This is an ordinary meeting. There is no Planetarium show.
R20 donation for refreshments.
Sky Guides will be available at R35 each.
Visitors and friends are welcome but we have had to restrict the numbers. We therefore have allocated place for 20 visitors who must please book through Monica Loubser via email. monicaloubser.ml@gmail.com
Astronomy.com
- A brief history of Saturn's amazing rings
- Exoplanet's vaporized atmosphere reveals rare look at its rocky surface
- Spitzer spots a sideways galaxy in infrared
- A massive star completely destroyed by a supernova is puzzling scientists
- The Sky This Week from August 16 to 25
- New date for 'Late Heavy Bombardment' may change life's timeline on Earth
- ExoMars fails another parachute test, threatening 2020 mission
- Jupiter may have been hit by a massive proto-planet long ago
- The windswept craters of Mars' Terra Cimmeria
- Supernova dust found hidden in antarctic snow
- Astronomers catch a pulsar 'glitching,' offering insights into the strange stars
- Perseid meteor watch: Summer's prolific light show takes a hit
- The origin of life: Not as coincidental as once thought?
- Hubble captures dance of two merging galaxies
- SETI to use deep-sea vents for practice hunting alien life
Space.com
- How NASA's Apollo Astronauts Went to the Moon
- Why the Lunar Module Looked So Much Like a Moon Bug
- Could NASA Build the Famous Saturn V Today? It's Working on It, with a Twist
- At Solar System's Edge, NASA's Voyager 2 Probe Copes with Reduced Power
- In Photos: Soyuz Rocket Launches Russia's Meteor M2-2 Weather Satellite on Rideshare Mission
- Voyager 2 Transformed Our Ideas of Jupiter's Moons 40 Years Ago
- Surface Rupture from Ridgecrest Earthquake Spotted from Space (Photo)
- Saturn's Rings Shine Extra Bright This July: How to Catch Them
- SpaceX's Starhopper Prototype to Make 1st Untethered Hop Soon, Musk Says
- NASA's 'Green' Fuel Satellite Passes Its First Test
- July Full Moon 2019: 'Thunder Moon' Lunar Eclipse Meets Saturn in the Night Sky
- NASA Announces a Dozen Science and Tech Experiments to Scout the Moon
- India Gearing Up to Launch 2nd Moon Mission This Weekend
- LightSail 2 Beams 1st Photos Home from Orbit! How to Track the Little Satellite.
- Telescope Teamwork Reveals Gas Dwarf Planet's Atmosphere
Universe Today
- ExoMars Parachute Test Fails, for the Second Time
- Carnival of Space #625
- When it Comes to Gamma Radiation, the Moon is Actually Brighter Than the Sun
- Why Build Big Rockets at All? It’s Time for Orbital Refueling
- An Astrophotographer Noticed a Chunk of Ice Orbiting Comet 67P in Rosetta’s Photos
- Neutron Star Suffers a “Glitch”, Gives Astronomers a Glimpse Into How They Work
- Rocket Lab is Going to try to Re-use its First Stage Booster, Catching it in Mid-air With a Helicopter
- Milky Way’s Black Hole Just Flared, Growing 75 Times as Bright for a Few Hours
- Spacecraft Gyroscopes And Reaction Wheels. You Can Never Have Enough
- Hardy Tardigrades on Board Israel’s Beresheet Lander Probably Survived the Crash
- Astronomers Uncover Dozens of Previously Unknown Ancient and Massive Galaxies
- Carnival of Space #624
- A Monster Black Hole has been Found with 40 Billion Times the Mass of the Sun
- NASA Tests Water Powered Spacecraft in Orbit
- A Bunch of New Names for Pluto’s Surface Features Were Just Approved
British Astronomical Association
- Get out early for this year's Perseid meteors – and persevere!
- Observer's Challenge – Locate the Landing Site of Apollo 11
- Observer's Challenge – Measuring the size of the Great Red Spot
- The Starlink Satellite Constellation
- Observer's Challenge – Saturn vs Pluto
- Noctilucent Cloud and What to Look For
- Observer's Challenge – Finding Einstein
- Campaign to observe the old nova HR Lyr
- Occultation of M44 the Beehive Cluster by the Moon
- Filters for visual observations of deep sky objects
- Observer's Challenge – Two bright asteroids at opposition
- Observer's Challenge – M81 and M82
- Observer's Challenge – Mercury at greatest eastern elongation
- Early morning total eclipse of the Moon this Monday
- Star Count 2019