Bryn Jones
@bryn00.bsky.social
An asylum seeker from X and refugee escaping Musk. With posts about the physical sciences, classical music, current affairs, the history of astronomy, pethau Cymraeg a Chymreig, and the great political fraud that is Brexit.
Location: Ynys Môn, Wales.
Location: Ynys Môn, Wales.
Today is the 110th anniversary of the birth in New Tredegar, Wales, of Kenneth Glyn Jones (1915-1995), an amateur astronomer who specialised in the visual observation of star clusters, nebulae and galaxies.
#HistoryOfAstronomy
#HistoryOfAstronomyInWales
articles.adsabs.harvard.edu/full/seri/QJ...
#HistoryOfAstronomy
#HistoryOfAstronomyInWales
articles.adsabs.harvard.edu/full/seri/QJ...
November 13, 2025 at 7:16 PM
Today is the 110th anniversary of the birth in New Tredegar, Wales, of Kenneth Glyn Jones (1915-1995), an amateur astronomer who specialised in the visual observation of star clusters, nebulae and galaxies.
#HistoryOfAstronomy
#HistoryOfAstronomyInWales
articles.adsabs.harvard.edu/full/seri/QJ...
#HistoryOfAstronomy
#HistoryOfAstronomyInWales
articles.adsabs.harvard.edu/full/seri/QJ...
Anyone wanting to check whether the aurora might be visible might want to check whether a geomagnetic storm is underway. The AuroraWatch UK service at the University of Lancaster provides information on geomagnetic activity.
aurorawatch.lancs.ac.uk
The image shows their plot for the past day.
aurorawatch.lancs.ac.uk
The image shows their plot for the past day.
November 12, 2025 at 3:51 PM
Anyone wanting to check whether the aurora might be visible might want to check whether a geomagnetic storm is underway. The AuroraWatch UK service at the University of Lancaster provides information on geomagnetic activity.
aurorawatch.lancs.ac.uk
The image shows their plot for the past day.
aurorawatch.lancs.ac.uk
The image shows their plot for the past day.
It's an improvement on my version.
November 7, 2025 at 6:26 PM
It's an improvement on my version.
This image shows Comet SWAN (C/2025 R2) which was located in the southern sky after yesterday evening: the small misty object in the centre.
This is a single unreduced 15-second frame with a 135mm lens on a digital SLR camera cropped to match the picture of Comet Lemmon.
#CometSWAN
#CometC2025R2
This is a single unreduced 15-second frame with a 135mm lens on a digital SLR camera cropped to match the picture of Comet Lemmon.
#CometSWAN
#CometC2025R2
October 23, 2025 at 11:21 AM
This image shows Comet SWAN (C/2025 R2) which was located in the southern sky after yesterday evening: the small misty object in the centre.
This is a single unreduced 15-second frame with a 135mm lens on a digital SLR camera cropped to match the picture of Comet Lemmon.
#CometSWAN
#CometC2025R2
This is a single unreduced 15-second frame with a 135mm lens on a digital SLR camera cropped to match the picture of Comet Lemmon.
#CometSWAN
#CometC2025R2
Popular astronomy: here are images of two comets from last night.
This image here shows Comet Lemmon (C/2025 A6) which was easily seen through binoculars in the western sky after twilight ended.
This is a single unreduced frame cropped to remove a roof and tree with a 135mm lens.
#CometLemmon
This image here shows Comet Lemmon (C/2025 A6) which was easily seen through binoculars in the western sky after twilight ended.
This is a single unreduced frame cropped to remove a roof and tree with a 135mm lens.
#CometLemmon
October 23, 2025 at 11:21 AM
Popular astronomy: here are images of two comets from last night.
This image here shows Comet Lemmon (C/2025 A6) which was easily seen through binoculars in the western sky after twilight ended.
This is a single unreduced frame cropped to remove a roof and tree with a 135mm lens.
#CometLemmon
This image here shows Comet Lemmon (C/2025 A6) which was easily seen through binoculars in the western sky after twilight ended.
This is a single unreduced frame cropped to remove a roof and tree with a 135mm lens.
#CometLemmon
Today is the 70th anniversary of the death of the amateur astronomer Arthur Philip Norton, who is best known as the author of his Star Atlas and Reference Handbook.
#HistoryOfAstronomy
#HistoryOfAstronomy
October 13, 2025 at 8:22 PM
Today is the 70th anniversary of the death of the amateur astronomer Arthur Philip Norton, who is best known as the author of his Star Atlas and Reference Handbook.
#HistoryOfAstronomy
#HistoryOfAstronomy
Today is the 110th anniversary of the announcement of the discovery, by Robert Innes at the Union Observatory in Johannesburg, of Proxima Centauri, the nearest star to the Sun.
ADS scan: articles.adsabs.harvard.edu/full/1915CiU...
#HistoryOfAstronomy
ADS scan: articles.adsabs.harvard.edu/full/1915CiU...
#HistoryOfAstronomy
October 12, 2025 at 2:04 PM
Today is the 110th anniversary of the announcement of the discovery, by Robert Innes at the Union Observatory in Johannesburg, of Proxima Centauri, the nearest star to the Sun.
ADS scan: articles.adsabs.harvard.edu/full/1915CiU...
#HistoryOfAstronomy
ADS scan: articles.adsabs.harvard.edu/full/1915CiU...
#HistoryOfAstronomy
Mae Pont Grog y Borth ar agor yn rhannol unwaith eto, ond i un rhes o geir yn unig, ac mae'r gyfeiriad yn dibynnu ar amser y dydd.
The Menai Suspension Bridge is open once again, but to only one row of cars, and the direction depends on the time of day.
The Menai Suspension Bridge is open once again, but to only one row of cars, and the direction depends on the time of day.
October 11, 2025 at 7:25 PM
Mae Pont Grog y Borth ar agor yn rhannol unwaith eto, ond i un rhes o geir yn unig, ac mae'r gyfeiriad yn dibynnu ar amser y dydd.
The Menai Suspension Bridge is open once again, but to only one row of cars, and the direction depends on the time of day.
The Menai Suspension Bridge is open once again, but to only one row of cars, and the direction depends on the time of day.
There are more impressive bargains in Lidl.
October 9, 2025 at 10:26 AM
There are more impressive bargains in Lidl.
The 2025 Nobel Prize in Physics has been awarded to John Clarke, Michel H. Devoret and John M. Martinis "for the discovery of macroscopic quantum mechanical tunnelling and energy quantisation in an electric circuit".
#NobelPrize
#NobelPrizeInPhysics
#NobelPrize
#NobelPrizeInPhysics
October 7, 2025 at 9:54 AM
The 2025 Nobel Prize in Physics has been awarded to John Clarke, Michel H. Devoret and John M. Martinis "for the discovery of macroscopic quantum mechanical tunnelling and energy quantisation in an electric circuit".
#NobelPrize
#NobelPrizeInPhysics
#NobelPrize
#NobelPrizeInPhysics
The 2025 Nobel Prize in Physiology or Medicine has been awarded to Mary E. Brunkow, Fred Ramsdell and Shimon Sakaguchi “for their discoveries concerning peripheral immune tolerance”.
www.nobelprize.org/prizes/medic...
#NobelPrize
www.nobelprize.org/prizes/medic...
#NobelPrize
October 6, 2025 at 9:43 AM
The 2025 Nobel Prize in Physiology or Medicine has been awarded to Mary E. Brunkow, Fred Ramsdell and Shimon Sakaguchi “for their discoveries concerning peripheral immune tolerance”.
www.nobelprize.org/prizes/medic...
#NobelPrize
www.nobelprize.org/prizes/medic...
#NobelPrize
Yr un bont, yn edrych i fyny.
September 27, 2025 at 12:41 PM
Yr un bont, yn edrych i fyny.
Today is the 110th anniversary of the birth of Barbara Middlehurst in Penarth, near Cardiff. She became an astronomer, working in St Andrews in Scotland, Yerkes Observatory in Wisconsin, the Steward Observatory in Arizona, and in Chicago. She is best known as an editor of astronomical publications.
September 15, 2025 at 2:29 PM
Today is the 110th anniversary of the birth of Barbara Middlehurst in Penarth, near Cardiff. She became an astronomer, working in St Andrews in Scotland, Yerkes Observatory in Wisconsin, the Steward Observatory in Arizona, and in Chicago. She is best known as an editor of astronomical publications.
There's good news for the Conservative Party this morning as Danny Krueger, MP, defects to the Faragists.
September 15, 2025 at 10:14 AM
There's good news for the Conservative Party this morning as Danny Krueger, MP, defects to the Faragists.
The event will happen between 9:00 p.m. (moonrise) and 11:30 p.m. BST for me in Northwest Wales.
This picture shows the occultation of the Pleiades last April by the crescent Moon (which is more interesting than a gibbous Moon, because the Moon's glare is less).
#Pleiades
#PleiadesOccultation
This picture shows the occultation of the Pleiades last April by the crescent Moon (which is more interesting than a gibbous Moon, because the Moon's glare is less).
#Pleiades
#PleiadesOccultation
September 12, 2025 at 8:22 AM
The event will happen between 9:00 p.m. (moonrise) and 11:30 p.m. BST for me in Northwest Wales.
This picture shows the occultation of the Pleiades last April by the crescent Moon (which is more interesting than a gibbous Moon, because the Moon's glare is less).
#Pleiades
#PleiadesOccultation
This picture shows the occultation of the Pleiades last April by the crescent Moon (which is more interesting than a gibbous Moon, because the Moon's glare is less).
#Pleiades
#PleiadesOccultation
Wel, dyna'r tywydd yng Nghymru a pha mor anodd ydy edrych ar y Bydysawd o fan yma.
Dyma'r teitl erthygl ar hanes seryddiaeth yng Nghymru ysgrifennais rhai blynyddoedd yn ól.
Dyma'r teitl erthygl ar hanes seryddiaeth yng Nghymru ysgrifennais rhai blynyddoedd yn ól.
September 7, 2025 at 7:28 PM
Wel, dyna'r tywydd yng Nghymru a pha mor anodd ydy edrych ar y Bydysawd o fan yma.
Dyma'r teitl erthygl ar hanes seryddiaeth yng Nghymru ysgrifennais rhai blynyddoedd yn ól.
Dyma'r teitl erthygl ar hanes seryddiaeth yng Nghymru ysgrifennais rhai blynyddoedd yn ól.
My telephone has received the UK Government's emergency alert for the third time in the last few years. Two of these alerts were tests, including today's. The other was for real, about Storm Darragh last December, and that was entirely justified.
September 7, 2025 at 2:06 PM
My telephone has received the UK Government's emergency alert for the third time in the last few years. Two of these alerts were tests, including today's. The other was for real, about Storm Darragh last December, and that was entirely justified.
The total phase of tonight's total lunar eclipse will last from 17h 31m UTC (18:31 BST, 19:31 CEST) to 18h 53m UTC (19:53 BST, 20:53 CEST).
The main partial phase before totality will start at 16h 27m UTC, and afterwards until 19h 56m UTC (20:56 BST, 21:56 CEST).
#LunarEclipse
#TotalLunarEclipse
The main partial phase before totality will start at 16h 27m UTC, and afterwards until 19h 56m UTC (20:56 BST, 21:56 CEST).
#LunarEclipse
#TotalLunarEclipse
September 7, 2025 at 10:48 AM
The total phase of tonight's total lunar eclipse will last from 17h 31m UTC (18:31 BST, 19:31 CEST) to 18h 53m UTC (19:53 BST, 20:53 CEST).
The main partial phase before totality will start at 16h 27m UTC, and afterwards until 19h 56m UTC (20:56 BST, 21:56 CEST).
#LunarEclipse
#TotalLunarEclipse
The main partial phase before totality will start at 16h 27m UTC, and afterwards until 19h 56m UTC (20:56 BST, 21:56 CEST).
#LunarEclipse
#TotalLunarEclipse
Roedd Ynys Manaw yn hawdd i'w weld o Gaergybi y prynhawn yma. Roedd dau gopa yn glir uwchben y gorwel.
#YnysManaw
#AwyrClir
#YnysManaw
#AwyrClir
September 2, 2025 at 7:50 PM
Roedd Ynys Manaw yn hawdd i'w weld o Gaergybi y prynhawn yma. Roedd dau gopa yn glir uwchben y gorwel.
#YnysManaw
#AwyrClir
#YnysManaw
#AwyrClir
I found in a box this tee shirt made for the United Kingdom's 1995 National Astronomy Meeting, which was held at the University of Wales College of Cardiff. Hundreds of people attended from many different UK universities to discuss astronomical research.
#HistoryOfAstronomyInWales
#HistoryOfAstronomyInWales
August 30, 2025 at 4:29 PM
I found in a box this tee shirt made for the United Kingdom's 1995 National Astronomy Meeting, which was held at the University of Wales College of Cardiff. Hundreds of people attended from many different UK universities to discuss astronomical research.
#HistoryOfAstronomyInWales
#HistoryOfAstronomyInWales
Well, I hadn't expected they might be responsible.
(A news item offered to me by Google.)
#RoyalScandal
(A news item offered to me by Google.)
#RoyalScandal
August 29, 2025 at 9:19 PM
Well, I hadn't expected they might be responsible.
(A news item offered to me by Google.)
#RoyalScandal
(A news item offered to me by Google.)
#RoyalScandal