Notice of Next Meeting
Our next monthly meeting takes place on:
- Date: Wednesday 11 September 2019
- Time: 19h00 for 19h30
- Location: Jhb. Observatory
- Presenter: Percy Jacobs
- Topic: Spectroscopy
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.
Picnic under the Stars
Our next Picnic under the Stars takes place on:
- Date: Sunday 29 September
- Time: 19h00 – 22h00
- Location: Jhb. Observatory, Top of the hill at the Herbert Baker Library. Map.
- Topic: Whats Up – a detailed overview of some objects.
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 picnic and stars evening. Dress warmly, bring along your own food and drinks. and oops, do not forget a chair or ‘situpon’. You may bring your own telescope if you want to.
Events
Scopex 2019
Please join us at Scopex 2019:
- Date: Saturday 14th September
- Time: 9:00 – 21:00
- Location: Military Museum (See www.scopex.co.za for more information)
Astronomy.com
- The Sky This Week from September 20 to 29
- Why we need to get back to Venus
- Giant volcano on Jupiter's moon Io could erupt any second
- Hubble spots a dim dark matter-rich galaxy
- Why are we still debating the age of Saturn’s rings?
- Colliding asteroids may have caused an ancient ice age
- Shredded exomoon may explain weird behavior of Tabby’s Star
- NASA CubeSat will test lunar space station orbit
- Early results hint newfound interstellar comet is 'very red'
- Hubble sheds new light on lives of star clusters
- The Sky This Week from September 13 to 22
- Astronomers may have just discovered an interstellar comet visiting our solar system
- Water found in habitable super-Earth's atmosphere for first time
- Giant bubbles spotted rushing out from Milky Way’s center
- Explosions may have formed lakes on Saturn's moon Titan
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
- Rosetta Saw Collapsing Cliffs and Other Changes on 67P During its Mission
- Hayabusa 2 has one Last Lander it’s Going to Throw at Ryugu
- Enceladus Causes Snowfall On Other Moons of Saturn
- Musk Shares the Latest Progress on the Starship Prototypes
- A Distant Asteroid Collision Gave Earthly Biodiversity An Ancient Boost
- Yes, This is Actually the Shadow of Io Passing Across the Surface of Jupiter.
- Want To Explore Mars? Send Humans To The Moons Of Mars First: Phobos And Deimos
- Io’s Largest Volcano, Loki, Erupts Every 500 Days. Any Day Now, It’ll Erupt Again.
- Weekly Space Hangout: September 18, 2019 – Dr. Georgiana Kramer of PSI: Space Dew and Superheroes
- This Astrophotographer Makes the World Turn and the Sky Stand Still
- Metallic Asteroids Might Have Had Volcanoes Erupting Molten Iron. That’s So Metal
- The Most Massive Neutron Star has been Found. It’s ALMOST the Most Massive Neutron Star That’s Even Possible
- Could We Intercept Interstellar Comet C/2019 Q4 Borisov?
- Physicists Don’t Know the Mass of a Neutrino, But Now They Know it’s No Larger Than 1 Electron Volt
- Carnival of Space #628-629
British Astronomical Association
- Mercury and Venus Section Newsletter
- Observer's Challenge – opposition of Neptune
- 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