@alaingrycan.bsky.social
Spaceflight\Astronomy\Satellite observing
Reposted
Cette nuit, 12-11-25, entre 4:10 et 4:50, in cadeau sur le Léman face a mon lit….
Alors #PoseTonCiel…
Alors #PoseTonCiel…
November 12, 2025 at 6:06 AM
Cette nuit, 12-11-25, entre 4:10 et 4:50, in cadeau sur le Léman face a mon lit….
Alors #PoseTonCiel…
Alors #PoseTonCiel…
Reposted
La Jupiter du WE
November 10, 2025 at 10:24 AM
La Jupiter du WE
Reposted
Uranus vue depuis mon balcon à Paris. On peut voir son pôle face à nous en ce moment car elle est basculée de 98° sur son orbite.
November 10, 2025 at 9:28 PM
Uranus vue depuis mon balcon à Paris. On peut voir son pôle face à nous en ce moment car elle est basculée de 98° sur son orbite.
Reposted
☀️🛰 Les premiers résultats de la mission Proba-3 viennent d'être publiés ! Et son coronagraphe ASPIICS a permis d'obtenir des images fabuleuses du Soleil 🤩 Grâce à ses deux satellites volant en formation à 144m de distance, Proba-3 peut observer jusqu'à 0,05 Rs de la surface
arxiv.org/abs/2511.01679
arxiv.org/abs/2511.01679
November 7, 2025 at 6:52 AM
☀️🛰 Les premiers résultats de la mission Proba-3 viennent d'être publiés ! Et son coronagraphe ASPIICS a permis d'obtenir des images fabuleuses du Soleil 🤩 Grâce à ses deux satellites volant en formation à 144m de distance, Proba-3 peut observer jusqu'à 0,05 Rs de la surface
arxiv.org/abs/2511.01679
arxiv.org/abs/2511.01679
Reposted
BRIGHT COMET SURPRISE: A bright comet has emerged from behind the sun, surprising astronomers. Introducing, Comet SWAN25B spaceweather.com
September 13, 2025 at 9:55 AM
BRIGHT COMET SURPRISE: A bright comet has emerged from behind the sun, surprising astronomers. Introducing, Comet SWAN25B spaceweather.com
Reposted
China's CGST has returned the favour, using its Jilin-1 sats to image a Maxar Worldview Legion 2 satellite. mp.weixin.qq.com/s/3oGA5_HVKJ...
September 13, 2025 at 10:06 AM
China's CGST has returned the favour, using its Jilin-1 sats to image a Maxar Worldview Legion 2 satellite. mp.weixin.qq.com/s/3oGA5_HVKJ...
Reposted
A Concorde seen taxiing at JFK Airport on December 5, 1980 by a KH-9 spy satellite's stereo cameras.
I don't recall if I've shared this one here before.
I don't recall if I've shared this one here before.
September 8, 2025 at 11:05 PM
A Concorde seen taxiing at JFK Airport on December 5, 1980 by a KH-9 spy satellite's stereo cameras.
I don't recall if I've shared this one here before.
I don't recall if I've shared this one here before.
Reposted
A newer image of a Starlink photobombing a Maxar satellite capture. While the novelty may be cool at first, it definitely makes me worry about these satellites ruining important captures.
Source: www.linkedin.com/posts/susann...
Source: www.linkedin.com/posts/susann...
September 8, 2025 at 11:28 PM
A newer image of a Starlink photobombing a Maxar satellite capture. While the novelty may be cool at first, it definitely makes me worry about these satellites ruining important captures.
Source: www.linkedin.com/posts/susann...
Source: www.linkedin.com/posts/susann...
Reposted
Today's view of Etna lava flows.
Image taken by Sentinel-2.
Image taken by Sentinel-2.
August 26, 2025 at 5:19 PM
Today's view of Etna lava flows.
Image taken by Sentinel-2.
Image taken by Sentinel-2.
Reposted
Tropical Storm Erin intensified ahead of expectations into a category 5 hurricane over the past 24 hours, crossing the Atlantic north of Puerto Rico and headed northwestward. You can see the massive storm churning in the sunrise view of GOES-East this AM:
August 17, 2025 at 3:22 PM
Tropical Storm Erin intensified ahead of expectations into a category 5 hurricane over the past 24 hours, crossing the Atlantic north of Puerto Rico and headed northwestward. You can see the massive storm churning in the sunrise view of GOES-East this AM:
Reposted
Navigational Warnings have appeared for the US Space Force #X37B spaceplane mission #OTV8 (USSF-36).
Falcon 9 upper stage deorbit area suggests Low Earth Orbit of inclination 49.5 deg. Window opens 22 Aug 3:40 UTC.
@dutchspace.bsky.social
Falcon 9 upper stage deorbit area suggests Low Earth Orbit of inclination 49.5 deg. Window opens 22 Aug 3:40 UTC.
@dutchspace.bsky.social
August 17, 2025 at 3:48 PM
Navigational Warnings have appeared for the US Space Force #X37B spaceplane mission #OTV8 (USSF-36).
Falcon 9 upper stage deorbit area suggests Low Earth Orbit of inclination 49.5 deg. Window opens 22 Aug 3:40 UTC.
@dutchspace.bsky.social
Falcon 9 upper stage deorbit area suggests Low Earth Orbit of inclination 49.5 deg. Window opens 22 Aug 3:40 UTC.
@dutchspace.bsky.social
Reposted
🇪🇸🔥🛰️ Les terribles incendies frappant l’Espagne, vus en direct depuis l’espace !
Aujourd’hui à 14h35, l’ISS a survolé le pays, révélant les fumées des incendies dévastateurs en cours. Les feux ont ravagé 70 000 ha ces derniers jours, et plus de 115 000 ha depuis début août.
Aujourd’hui à 14h35, l’ISS a survolé le pays, révélant les fumées des incendies dévastateurs en cours. Les feux ont ravagé 70 000 ha ces derniers jours, et plus de 115 000 ha depuis début août.
August 15, 2025 at 12:50 PM
🇪🇸🔥🛰️ Les terribles incendies frappant l’Espagne, vus en direct depuis l’espace !
Aujourd’hui à 14h35, l’ISS a survolé le pays, révélant les fumées des incendies dévastateurs en cours. Les feux ont ravagé 70 000 ha ces derniers jours, et plus de 115 000 ha depuis début août.
Aujourd’hui à 14h35, l’ISS a survolé le pays, révélant les fumées des incendies dévastateurs en cours. Les feux ont ravagé 70 000 ha ces derniers jours, et plus de 115 000 ha depuis début août.
Reposted
The deorbit burn of the Ariane 6 upper stage occurred at 0235 UTC Aug 13 (10.35 pm EDT Aug 12). Spinup and propellant dump at about 0245 UTC was widely observed in the eastern US and Canada as Ariane 6003 headed north and downhill for reentry over the Indian Ocean half an orbit later
August 13, 2025 at 4:01 AM
The deorbit burn of the Ariane 6 upper stage occurred at 0235 UTC Aug 13 (10.35 pm EDT Aug 12). Spinup and propellant dump at about 0245 UTC was widely observed in the eastern US and Canada as Ariane 6003 headed north and downhill for reentry over the Indian Ocean half an orbit later
Reposted
#REENTRADA #SPMN100825ART CAPTADA DESDE PAGUERA, #MALLORCA por Sofia Porteous
⏲️23h50 CEST / 21h50 UTC
OJO: la reentrada y progresiva fragmentación de ingenios espaciales es un fenómeno que puede durar minutos, caracterizado por sus trayectorias extensas y rasantes, con múltiples piezas 🎇👇
⏲️23h50 CEST / 21h50 UTC
OJO: la reentrada y progresiva fragmentación de ingenios espaciales es un fenómeno que puede durar minutos, caracterizado por sus trayectorias extensas y rasantes, con múltiples piezas 🎇👇
August 10, 2025 at 11:28 PM
#REENTRADA #SPMN100825ART CAPTADA DESDE PAGUERA, #MALLORCA por Sofia Porteous
⏲️23h50 CEST / 21h50 UTC
OJO: la reentrada y progresiva fragmentación de ingenios espaciales es un fenómeno que puede durar minutos, caracterizado por sus trayectorias extensas y rasantes, con múltiples piezas 🎇👇
⏲️23h50 CEST / 21h50 UTC
OJO: la reentrada y progresiva fragmentación de ingenios espaciales es un fenómeno que puede durar minutos, caracterizado por sus trayectorias extensas y rasantes, con múltiples piezas 🎇👇
Reposted
Olivier Hainaut & others got some really nice images of 3I/ATLAS's fuzzy coma with the Very Large Telescope last night! The images are already public on the ESO science archive. archive.eso.org/downloadport...
July 4, 2025 at 9:42 PM
Olivier Hainaut & others got some really nice images of 3I/ATLAS's fuzzy coma with the Very Large Telescope last night! The images are already public on the ESO science archive. archive.eso.org/downloadport...
Reposted
Salyut fairing separation test
July 4, 2025 at 8:20 PM
Salyut fairing separation test
Reposted
Cosmos 2558 seems indeed to be horsing around with USA 326...
Updating my tools....
Updating my tools....
Uhmm, it seems Cosmos 2558 might be up to something again...
More horsing around with USA 326 ?
More horsing around with USA 326 ?
July 5, 2025 at 8:41 AM
Cosmos 2558 seems indeed to be horsing around with USA 326...
Updating my tools....
Updating my tools....
Reposted
ESA's astronomers are actively tracking 3I/ATLAS, which is now the third confirmed interstellar comet to pass through our Solar System!
More info at: www.esa.int/Space_Safety...
More info at: www.esa.int/Space_Safety...
July 3, 2025 at 4:33 PM
ESA's astronomers are actively tracking 3I/ATLAS, which is now the third confirmed interstellar comet to pass through our Solar System!
More info at: www.esa.int/Space_Safety...
More info at: www.esa.int/Space_Safety...
Reposted
Testing the escape system of the L3 section of the Soviet Crewed Lunar N1-L3 mission.
July 1, 2025 at 1:01 PM
Testing the escape system of the L3 section of the Soviet Crewed Lunar N1-L3 mission.
Toulouse, June 29
Three satellites Cosmos pass across the sky.
Finder: 50mm diameter lens
Camera ASI 385
Three satellites Cosmos pass across the sky.
Finder: 50mm diameter lens
Camera ASI 385
June 30, 2025 at 3:06 PM
Toulouse, June 29
Three satellites Cosmos pass across the sky.
Finder: 50mm diameter lens
Camera ASI 385
Three satellites Cosmos pass across the sky.
Finder: 50mm diameter lens
Camera ASI 385
Reposted
Comment ne pas être subjugué par ce paysage martien photographié par le rover Curiosity avant-hier, au petit matin ?
Devant lui, une colline bordée d'une impressionnante falaise de 70 mètres de haut. Au loin à droite, des yardangs, reliefs creusés par l'érosion éolienne sur des millions d'années.
Devant lui, une colline bordée d'une impressionnante falaise de 70 mètres de haut. Au loin à droite, des yardangs, reliefs creusés par l'érosion éolienne sur des millions d'années.
June 12, 2025 at 7:42 PM
Comment ne pas être subjugué par ce paysage martien photographié par le rover Curiosity avant-hier, au petit matin ?
Devant lui, une colline bordée d'une impressionnante falaise de 70 mètres de haut. Au loin à droite, des yardangs, reliefs creusés par l'érosion éolienne sur des millions d'années.
Devant lui, une colline bordée d'une impressionnante falaise de 70 mètres de haut. Au loin à droite, des yardangs, reliefs creusés par l'érosion éolienne sur des millions d'années.
Reposted
360° panorama captured by Curiosity with her navigation camera
#Mars June 9, 2025 - Sol 4564
📷 NASA/JPL-Caltech 🧪🔭
science.nasa.gov/resource/sol...
#Mars June 9, 2025 - Sol 4564
📷 NASA/JPL-Caltech 🧪🔭
science.nasa.gov/resource/sol...
June 10, 2025 at 7:57 PM
360° panorama captured by Curiosity with her navigation camera
#Mars June 9, 2025 - Sol 4564
📷 NASA/JPL-Caltech 🧪🔭
science.nasa.gov/resource/sol...
#Mars June 9, 2025 - Sol 4564
📷 NASA/JPL-Caltech 🧪🔭
science.nasa.gov/resource/sol...
Reposted
Mount Kilimanjaro in Tanzania.
Image taken by Sentinel-2 on May 29, 2025.
Image taken by Sentinel-2 on May 29, 2025.
June 10, 2025 at 7:33 PM
Mount Kilimanjaro in Tanzania.
Image taken by Sentinel-2 on May 29, 2025.
Image taken by Sentinel-2 on May 29, 2025.
Reposted
Seeing a video purporting to be a failed Russian missile launch... this is a reentry from today over Kazakhstan of a ZQ-2E rocket booster from a launch last month: aerospace.org/reentries/64... - Space-Track confirms this occurred at 17:08 UT. Tense times, be critical. Tx @tgebriggs.bsky.social
June 5, 2025 at 10:36 PM
Seeing a video purporting to be a failed Russian missile launch... this is a reentry from today over Kazakhstan of a ZQ-2E rocket booster from a launch last month: aerospace.org/reentries/64... - Space-Track confirms this occurred at 17:08 UT. Tense times, be critical. Tx @tgebriggs.bsky.social