CardiffAS
@cardiffas.bsky.social
Cardiff Astronomical Society (CAS) founded 1975. In person talks every fortnight. Public Event participation. Registered Charity.
@cardiffas.bsky.social new talks season starts 19:30 Thursday 4 September 2025 with "The Chemistry of the Universe" presented by Professor Mike Edmunds, Emeritus Professor, School of Physics and Astronomy, Cardiff University.
Venue: Trevithick Building, The Parade, Cardiff, CF24 3AA.
Venue: Trevithick Building, The Parade, Cardiff, CF24 3AA.
August 28, 2025 at 5:14 PM
@cardiffas.bsky.social new talks season starts 19:30 Thursday 4 September 2025 with "The Chemistry of the Universe" presented by Professor Mike Edmunds, Emeritus Professor, School of Physics and Astronomy, Cardiff University.
Venue: Trevithick Building, The Parade, Cardiff, CF24 3AA.
Venue: Trevithick Building, The Parade, Cardiff, CF24 3AA.
Looking for something to do
cardiffmuseum.com/whatson/card...
New @cardiffas.bsky.social talks season starts 4th September
cardiffmuseum.com/whatson/card...
New @cardiffas.bsky.social talks season starts 4th September
August 25, 2025 at 3:34 PM
Looking for something to do
cardiffmuseum.com/whatson/card...
New @cardiffas.bsky.social talks season starts 4th September
cardiffmuseum.com/whatson/card...
New @cardiffas.bsky.social talks season starts 4th September
Peak of the Perseid Meteor Shower (12th/13th August 2025) captured (and stacked) by @cardiffas.bsky.social camera UK008V at Bannau Brycheiniog Visitor Centre. The camera contributes data to the UK Meteor Observation Network and the Global Meteor Network.
August 14, 2025 at 9:11 AM
Peak of the Perseid Meteor Shower (12th/13th August 2025) captured (and stacked) by @cardiffas.bsky.social camera UK008V at Bannau Brycheiniog Visitor Centre. The camera contributes data to the UK Meteor Observation Network and the Global Meteor Network.
Peak of the Perseid Meteor Shower (12th/13th August 2025) captured (and stacked) by @cardiffas.bsky.social camera UK005L at Dyffryn Gardens. The camera contributes data to the UK Meteor Observation Network and the Global Meteor Network.
August 14, 2025 at 9:09 AM
Peak of the Perseid Meteor Shower (12th/13th August 2025) captured (and stacked) by @cardiffas.bsky.social camera UK005L at Dyffryn Gardens. The camera contributes data to the UK Meteor Observation Network and the Global Meteor Network.
Meteor (Fireball) 01 August 2025 23:17:08 UT/GMT captured by @cardiffas.bsky.social camera UK008V at Bannau Brycheiniog Visitor Centre.
Shower: ID 1 CAP (alpha Capricornids)
Lg 307.69° Bg 10.25° Vg 22.28km/s
mass 3.0g, abs. mag -4.5
best visual mag -4.3
archive.ukmeteors.co.uk/reports/2025...
Shower: ID 1 CAP (alpha Capricornids)
Lg 307.69° Bg 10.25° Vg 22.28km/s
mass 3.0g, abs. mag -4.5
best visual mag -4.3
archive.ukmeteors.co.uk/reports/2025...
August 2, 2025 at 10:54 AM
Meteor (Fireball) 01 August 2025 23:17:08 UT/GMT captured by @cardiffas.bsky.social camera UK008V at Bannau Brycheiniog Visitor Centre.
Shower: ID 1 CAP (alpha Capricornids)
Lg 307.69° Bg 10.25° Vg 22.28km/s
mass 3.0g, abs. mag -4.5
best visual mag -4.3
archive.ukmeteors.co.uk/reports/2025...
Shower: ID 1 CAP (alpha Capricornids)
Lg 307.69° Bg 10.25° Vg 22.28km/s
mass 3.0g, abs. mag -4.5
best visual mag -4.3
archive.ukmeteors.co.uk/reports/2025...
Meteor 31 July 2025 22:52:04 GMT/UT captured by
@cardiffas.bsky.social camera UK005L at NT Dyffryn Gardens.
Shower ID -1 spo (Sporadic)
Lg 355.23° Bg 67.35° Vg 37.22km/s
mass 0.1g, abs. mag -1.3
best visual mag -0.5
Details: archive.ukmeteors.co.uk/reports/2025...
@cardiffas.bsky.social camera UK005L at NT Dyffryn Gardens.
Shower ID -1 spo (Sporadic)
Lg 355.23° Bg 67.35° Vg 37.22km/s
mass 0.1g, abs. mag -1.3
best visual mag -0.5
Details: archive.ukmeteors.co.uk/reports/2025...
August 1, 2025 at 2:07 PM
Meteor 31 July 2025 22:52:04 GMT/UT captured by
@cardiffas.bsky.social camera UK005L at NT Dyffryn Gardens.
Shower ID -1 spo (Sporadic)
Lg 355.23° Bg 67.35° Vg 37.22km/s
mass 0.1g, abs. mag -1.3
best visual mag -0.5
Details: archive.ukmeteors.co.uk/reports/2025...
@cardiffas.bsky.social camera UK005L at NT Dyffryn Gardens.
Shower ID -1 spo (Sporadic)
Lg 355.23° Bg 67.35° Vg 37.22km/s
mass 0.1g, abs. mag -1.3
best visual mag -0.5
Details: archive.ukmeteors.co.uk/reports/2025...
Meteor 01 August 2025 01:26:16 UT/GMT captured by
@cardiffas.bsky.social camera UK008V at Bannau Brycheiniog Visitor Centre.
Shower ID 7 PER (Perseids)
Lg 50.36° Bg 38.84° Vg 58.88km/s
mass 0.13g, abs. mag -2.3
best visual mag -1.1
@cardiffas.bsky.social camera UK008V at Bannau Brycheiniog Visitor Centre.
Shower ID 7 PER (Perseids)
Lg 50.36° Bg 38.84° Vg 58.88km/s
mass 0.13g, abs. mag -2.3
best visual mag -1.1
August 1, 2025 at 2:02 PM
Meteor 01 August 2025 01:26:16 UT/GMT captured by
@cardiffas.bsky.social camera UK008V at Bannau Brycheiniog Visitor Centre.
Shower ID 7 PER (Perseids)
Lg 50.36° Bg 38.84° Vg 58.88km/s
mass 0.13g, abs. mag -2.3
best visual mag -1.1
@cardiffas.bsky.social camera UK008V at Bannau Brycheiniog Visitor Centre.
Shower ID 7 PER (Perseids)
Lg 50.36° Bg 38.84° Vg 58.88km/s
mass 0.13g, abs. mag -2.3
best visual mag -1.1
@cardiffas.bsky.social Cardiff Astronomical Society: Celebrating 50 years cardiffmuseum.com/whatson/card...
Cardiff Astronomical Society: Celebrating 50 years - Cardiff Story
17/07/2025-31/07/2025 @ 10:00 am-4:00 pm - Cardiff Astronomical Society was founded in 1975 and today is one of the largest and most active astronomical societies in the UK. This exhibition from the s...
cardiffmuseum.com
July 14, 2025 at 1:09 PM
@cardiffas.bsky.social Cardiff Astronomical Society: Celebrating 50 years cardiffmuseum.com/whatson/card...
@cardiffas.bsky.social next talk for Members: 19:30 Thursday 3rd July 2025 "Next generation radio telescopes: Radio astronomy as a global endeavour" presented by Dr Natasha Maddox, University of Bristol. Venue: Trevithick Building, The Parade, Cardiff, CF24 3AA. N.B. Last talk of the session.
June 29, 2025 at 8:15 AM
@cardiffas.bsky.social next talk for Members: 19:30 Thursday 3rd July 2025 "Next generation radio telescopes: Radio astronomy as a global endeavour" presented by Dr Natasha Maddox, University of Bristol. Venue: Trevithick Building, The Parade, Cardiff, CF24 3AA. N.B. Last talk of the session.
Reposted by CardiffAS
A good day yesterday, Summer Solstice, for @cardiffas.bsky.social at the @bannaubrycheiniog.bsky.social visitor centre showing the public how to view the Sun safely. The weather eventually cleared to allow some excellent views of our nearest star.
#solarobserving
#astronomy
#solarobserving
#astronomy
June 22, 2025 at 12:18 PM
A good day yesterday, Summer Solstice, for @cardiffas.bsky.social at the @bannaubrycheiniog.bsky.social visitor centre showing the public how to view the Sun safely. The weather eventually cleared to allow some excellent views of our nearest star.
#solarobserving
#astronomy
#solarobserving
#astronomy
Reposted by CardiffAS
Want to see NSF–DOE Rubin Observatory's Cosmic Treasure Chest for yourself?
Explore using Rubin's Skyviewer! There are billions of pixels to explore, and you might be the the first to lay eyes on a small, distant galaxy! #RubinFirstLook #CaptureTheCosmos
skyviewer.app
Explore using Rubin's Skyviewer! There are billions of pixels to explore, and you might be the the first to lay eyes on a small, distant galaxy! #RubinFirstLook #CaptureTheCosmos
skyviewer.app
Skyviewer
skyviewer.app
June 23, 2025 at 4:30 PM
Want to see NSF–DOE Rubin Observatory's Cosmic Treasure Chest for yourself?
Explore using Rubin's Skyviewer! There are billions of pixels to explore, and you might be the the first to lay eyes on a small, distant galaxy! #RubinFirstLook #CaptureTheCosmos
skyviewer.app
Explore using Rubin's Skyviewer! There are billions of pixels to explore, and you might be the the first to lay eyes on a small, distant galaxy! #RubinFirstLook #CaptureTheCosmos
skyviewer.app
Link to First Images from NSF–DOE Vera C. Rubin Observatory.
www.youtube.com/watch?v=dF1g...
Go to 46 minutes in for the release.
www.youtube.com/watch?v=dF1g...
Go to 46 minutes in for the release.
June 23, 2025 at 4:35 PM
Link to First Images from NSF–DOE Vera C. Rubin Observatory.
www.youtube.com/watch?v=dF1g...
Go to 46 minutes in for the release.
www.youtube.com/watch?v=dF1g...
Go to 46 minutes in for the release.
Meteor 20June25 01:11:40 UT captured by @cardiffas.bsky.social camera UK008V at Bannau Brycheiniog Visitor Centre.
mass 0.26g, abs. mag -3.0
best visual mag -2.3
Detail: archive.ukmeteors.co.uk/reports/2025...
mass 0.26g, abs. mag -3.0
best visual mag -2.3
Detail: archive.ukmeteors.co.uk/reports/2025...
June 20, 2025 at 9:03 AM
Meteor 20June25 01:11:40 UT captured by @cardiffas.bsky.social camera UK008V at Bannau Brycheiniog Visitor Centre.
mass 0.26g, abs. mag -3.0
best visual mag -2.3
Detail: archive.ukmeteors.co.uk/reports/2025...
mass 0.26g, abs. mag -3.0
best visual mag -2.3
Detail: archive.ukmeteors.co.uk/reports/2025...
Meteor 20June25 00:43:31 UT captured by @cardiffas.bsky.social camera UK005L at Dyffryn Gardens.
mass 2.2g, abs. mag -1.9
best visual mag -1.4
Detail: archive.ukmeteors.co.uk/reports/2025...
mass 2.2g, abs. mag -1.9
best visual mag -1.4
Detail: archive.ukmeteors.co.uk/reports/2025...
June 20, 2025 at 9:00 AM
Meteor 20June25 00:43:31 UT captured by @cardiffas.bsky.social camera UK005L at Dyffryn Gardens.
mass 2.2g, abs. mag -1.9
best visual mag -1.4
Detail: archive.ukmeteors.co.uk/reports/2025...
mass 2.2g, abs. mag -1.9
best visual mag -1.4
Detail: archive.ukmeteors.co.uk/reports/2025...
Meteor 17/6/25 23:21 UT captured by @cardiffas.bsky.social camera UK008V located at Bannau Brychieniog Visitor Centre, Libanus.
Sporadic, mass 0.64g, abs. mag -3.8 best visual mag -2.5
Details:https://archive.ukmeteors.co.uk/reports/2025/orbits/202506/20250617/20250617_232147.055_UK/index.html
Sporadic, mass 0.64g, abs. mag -3.8 best visual mag -2.5
Details:https://archive.ukmeteors.co.uk/reports/2025/orbits/202506/20250617/20250617_232147.055_UK/index.html
June 18, 2025 at 9:58 AM
Meteor 17/6/25 23:21 UT captured by @cardiffas.bsky.social camera UK008V located at Bannau Brychieniog Visitor Centre, Libanus.
Sporadic, mass 0.64g, abs. mag -3.8 best visual mag -2.5
Details:https://archive.ukmeteors.co.uk/reports/2025/orbits/202506/20250617/20250617_232147.055_UK/index.html
Sporadic, mass 0.64g, abs. mag -3.8 best visual mag -2.5
Details:https://archive.ukmeteors.co.uk/reports/2025/orbits/202506/20250617/20250617_232147.055_UK/index.html
@cardiffas.bsky.social Next talk for Members: 19:30 Thursday 19th June 2025 "Discovering Planets and Stars around other Stars" presented by Dr Ingrid Pelisoli & Dr Thomas Wilson, University of Warwick. Venue: Trevithick Building, The Parade, Cardiff, CF24 3AA.
June 15, 2025 at 5:00 PM
@cardiffas.bsky.social Next talk for Members: 19:30 Thursday 19th June 2025 "Discovering Planets and Stars around other Stars" presented by Dr Ingrid Pelisoli & Dr Thomas Wilson, University of Warwick. Venue: Trevithick Building, The Parade, Cardiff, CF24 3AA.
Reposted by CardiffAS
🚨 SAVE THE DATE: The world's First Look at images from NSF–DOE Rubin Observatory is coming June 23, 2025! 🔭🧪
Get ready for a preview of how Rubin will soon #CaptureTheCosmos in its decade-long survey 🌌
More details soon—stay up to date at rubinobservatory.org/news/rubin-first-look
Get ready for a preview of how Rubin will soon #CaptureTheCosmos in its decade-long survey 🌌
More details soon—stay up to date at rubinobservatory.org/news/rubin-first-look
May 23, 2025 at 4:10 PM
🚨 SAVE THE DATE: The world's First Look at images from NSF–DOE Rubin Observatory is coming June 23, 2025! 🔭🧪
Get ready for a preview of how Rubin will soon #CaptureTheCosmos in its decade-long survey 🌌
More details soon—stay up to date at rubinobservatory.org/news/rubin-first-look
Get ready for a preview of how Rubin will soon #CaptureTheCosmos in its decade-long survey 🌌
More details soon—stay up to date at rubinobservatory.org/news/rubin-first-look
A reminder: The BAA, Popastro @cardiffas.bsky.social
have an "Astronomy Back to Basics Event" hosted by
Cardiff Physics this Saturday 7th June. See britastro.org/event/b2b202... for details. Recommended to those beginning a journey into astronomy or just needing a refresher.
have an "Astronomy Back to Basics Event" hosted by
Cardiff Physics this Saturday 7th June. See britastro.org/event/b2b202... for details. Recommended to those beginning a journey into astronomy or just needing a refresher.
June 3, 2025 at 9:55 AM
A reminder: The BAA, Popastro @cardiffas.bsky.social
have an "Astronomy Back to Basics Event" hosted by
Cardiff Physics this Saturday 7th June. See britastro.org/event/b2b202... for details. Recommended to those beginning a journey into astronomy or just needing a refresher.
have an "Astronomy Back to Basics Event" hosted by
Cardiff Physics this Saturday 7th June. See britastro.org/event/b2b202... for details. Recommended to those beginning a journey into astronomy or just needing a refresher.
@cardiffas.bsky.social Next talk for Members: 19:30 Thursday 5th June 2025 “"What’s shaking Mars? An overview of NASA’s InSight mission" presented by Dr Anna Horleston, University of Bristol, School of Earth Sciences. Venue: Trevithick Building, The Parade, Cardiff, CF24 3AA.
June 1, 2025 at 12:21 PM
@cardiffas.bsky.social Next talk for Members: 19:30 Thursday 5th June 2025 “"What’s shaking Mars? An overview of NASA’s InSight mission" presented by Dr Anna Horleston, University of Bristol, School of Earth Sciences. Venue: Trevithick Building, The Parade, Cardiff, CF24 3AA.
@cardiffas.bsky.social are at Dyffryn Gardens, Vale of Glamorgan
today (31st) and although the main attraction Helios is down. There will be attempts to view our Sun SAFELY, there are also Members on hand to engage and educate on topics astronomical.
today (31st) and although the main attraction Helios is down. There will be attempts to view our Sun SAFELY, there are also Members on hand to engage and educate on topics astronomical.
May 31, 2025 at 11:24 AM
@cardiffas.bsky.social are at Dyffryn Gardens, Vale of Glamorgan
today (31st) and although the main attraction Helios is down. There will be attempts to view our Sun SAFELY, there are also Members on hand to engage and educate on topics astronomical.
today (31st) and although the main attraction Helios is down. There will be attempts to view our Sun SAFELY, there are also Members on hand to engage and educate on topics astronomical.
@cardiffas.bsky.social The International Astronomical Union (IAU) Meteor Data Center issued the new version of the orbital database, Version 2025. Its content considerably increased & now, among others, includes the Global Meteor Network data 2018-2024.
May 26, 2025 at 1:11 PM
@cardiffas.bsky.social The International Astronomical Union (IAU) Meteor Data Center issued the new version of the orbital database, Version 2025. Its content considerably increased & now, among others, includes the Global Meteor Network data 2018-2024.
🚀☄️@cardiffas.bsky.social next talk for Members:
19:30 Thursday 22nd May 2025 “Three Short Talks"
a. Model Rocketry b. The Black Comet "Oumuamua" c. TBC
Venue: Trevithick Building, The Parade, Cardiff, CF24 3AA. 🚀☄️
19:30 Thursday 22nd May 2025 “Three Short Talks"
a. Model Rocketry b. The Black Comet "Oumuamua" c. TBC
Venue: Trevithick Building, The Parade, Cardiff, CF24 3AA. 🚀☄️
May 19, 2025 at 9:29 AM
🚀☄️@cardiffas.bsky.social next talk for Members:
19:30 Thursday 22nd May 2025 “Three Short Talks"
a. Model Rocketry b. The Black Comet "Oumuamua" c. TBC
Venue: Trevithick Building, The Parade, Cardiff, CF24 3AA. 🚀☄️
19:30 Thursday 22nd May 2025 “Three Short Talks"
a. Model Rocketry b. The Black Comet "Oumuamua" c. TBC
Venue: Trevithick Building, The Parade, Cardiff, CF24 3AA. 🚀☄️
Reposted by CardiffAS
@cardiffas.bsky.social One meteor 3 different views from around Wales, #llanon UK0089, UK008J #bridgend and
@cardiffas.bsky.social UK008V at Bannau Brycheiniog NP Visitor Centre.
13/05/2025 02:31:46 UT
@cardiffas.bsky.social UK008V at Bannau Brycheiniog NP Visitor Centre.
13/05/2025 02:31:46 UT
May 13, 2025 at 6:49 PM
@cardiffas.bsky.social One meteor 3 different views from around Wales, #llanon UK0089, UK008J #bridgend and
@cardiffas.bsky.social UK008V at Bannau Brycheiniog NP Visitor Centre.
13/05/2025 02:31:46 UT
@cardiffas.bsky.social UK008V at Bannau Brycheiniog NP Visitor Centre.
13/05/2025 02:31:46 UT
Sporadic meteor obseved by @cardiffas.bsky.social camera UK005L located at NT Dyffryn Gardens 10/5/2025 22:22:32 GMT.
Mass 2.1g, abs. mag -2.9, best visual mag -2.5
More details/views:
archive.ukmeteors.co.uk/reports/2025...
Mass 2.1g, abs. mag -2.9, best visual mag -2.5
More details/views:
archive.ukmeteors.co.uk/reports/2025...
May 11, 2025 at 10:22 PM
Sporadic meteor obseved by @cardiffas.bsky.social camera UK005L located at NT Dyffryn Gardens 10/5/2025 22:22:32 GMT.
Mass 2.1g, abs. mag -2.9, best visual mag -2.5
More details/views:
archive.ukmeteors.co.uk/reports/2025...
Mass 2.1g, abs. mag -2.9, best visual mag -2.5
More details/views:
archive.ukmeteors.co.uk/reports/2025...
British Astronomical Association, Society for Popular Astronomy, @cardiffas.bsky.social have an "Astronomy Back to Basics Event" hosted by Cardiff University School of Physics and Astronomy on the 7th June. britastro.org/event/b2b202... for details.
May 8, 2025 at 1:49 PM
British Astronomical Association, Society for Popular Astronomy, @cardiffas.bsky.social have an "Astronomy Back to Basics Event" hosted by Cardiff University School of Physics and Astronomy on the 7th June. britastro.org/event/b2b202... for details.