Dave MacLean
@daveatcogs.bsky.social
GIS Faculty, Centre of Geographic Sciences (COGS); Fellow, Royal Canadian Geographical Society; co-Director, Esri Canada Centre of Excellence (COGS). My posts
Just getting started on bluesky
Astronaut photos-of-Earth maps: https://isspix.com/MapTourHowTo
Just getting started on bluesky
Astronaut photos-of-Earth maps: https://isspix.com/MapTourHowTo
And another 👇 in @huubeggen.bsky.social 's #25YearsOnISS series of pictures.
In southwestern #SaudiArabia on the interactive map isspix.com/ISS073, there is a pin for Huub's post; it also has link to the downloadable 400-mm high-res. Pin is at location of the ISS at photo time, directly overhead
In southwestern #SaudiArabia on the interactive map isspix.com/ISS073, there is a pin for Huub's post; it also has link to the downloadable 400-mm high-res. Pin is at location of the ISS at photo time, directly overhead
November 18, 2025 at 12:07 AM
And another 👇 in @huubeggen.bsky.social 's #25YearsOnISS series of pictures.
In southwestern #SaudiArabia on the interactive map isspix.com/ISS073, there is a pin for Huub's post; it also has link to the downloadable 400-mm high-res. Pin is at location of the ISS at photo time, directly overhead
In southwestern #SaudiArabia on the interactive map isspix.com/ISS073, there is a pin for Huub's post; it also has link to the downloadable 400-mm high-res. Pin is at location of the ISS at photo time, directly overhead
Quote-post @huubeggen.bsky.social : another 👇 in Huub's #25YearsOnISS series of pictures.
In north-central #Washington State (position of ISS at photo time) on the interactive map isspix.com/ISS073, there is a pin for Huub's post; it also has link to the downloadable 200-mm high-res
In north-central #Washington State (position of ISS at photo time) on the interactive map isspix.com/ISS073, there is a pin for Huub's post; it also has link to the downloadable 200-mm high-res
November 18, 2025 at 12:00 AM
Quote-post @huubeggen.bsky.social : another 👇 in Huub's #25YearsOnISS series of pictures.
In north-central #Washington State (position of ISS at photo time) on the interactive map isspix.com/ISS073, there is a pin for Huub's post; it also has link to the downloadable 200-mm high-res
In north-central #Washington State (position of ISS at photo time) on the interactive map isspix.com/ISS073, there is a pin for Huub's post; it also has link to the downloadable 200-mm high-res
Reposted by Dave MacLean
Space station #ISS tonight (16 November 2025) at 18:02:40 UT. @daveatcogs.bsky.social @leonoor.bsky.social
November 16, 2025 at 7:47 PM
Space station #ISS tonight (16 November 2025) at 18:02:40 UT. @daveatcogs.bsky.social @leonoor.bsky.social
Reposted by Dave MacLean
Reposted by Dave MacLean
Wolf territories, Voyageurs National Park, Minnesota
#Media Layers in @esriuk.bsky.social ArcGIS Online
🙏Voyageurs Wolf Project #Wolves
FB: tinyurl.com/26mpj8eb
YT: youtube.com/watch?v=sUkB...
#30DayMapChallenge Day 16: Cell
2D Web map: arcg.is/1Oz0aa1
3D Scene: arcg.is/0KaLfX
#Media Layers in @esriuk.bsky.social ArcGIS Online
🙏Voyageurs Wolf Project #Wolves
FB: tinyurl.com/26mpj8eb
YT: youtube.com/watch?v=sUkB...
#30DayMapChallenge Day 16: Cell
2D Web map: arcg.is/1Oz0aa1
3D Scene: arcg.is/0KaLfX
November 16, 2025 at 12:07 AM
Wolf territories, Voyageurs National Park, Minnesota
#Media Layers in @esriuk.bsky.social ArcGIS Online
🙏Voyageurs Wolf Project #Wolves
FB: tinyurl.com/26mpj8eb
YT: youtube.com/watch?v=sUkB...
#30DayMapChallenge Day 16: Cell
2D Web map: arcg.is/1Oz0aa1
3D Scene: arcg.is/0KaLfX
#Media Layers in @esriuk.bsky.social ArcGIS Online
🙏Voyageurs Wolf Project #Wolves
FB: tinyurl.com/26mpj8eb
YT: youtube.com/watch?v=sUkB...
#30DayMapChallenge Day 16: Cell
2D Web map: arcg.is/1Oz0aa1
3D Scene: arcg.is/0KaLfX
Reposted by Dave MacLean
🌄 Good morning, sometimes, you want to fly like an Golden eagle 🦅 to capture the fantastic landscapes of #CentralAsia. Like here, near the Jeti-Oguz rocks in #Kyrgyzstan. 🏞 Would you like to fly, too? Happy Sunday. 🤗
#Photography #Landscape #Mountains #ThePhotoHour #Bluesky #Drone #Stunday
#Photography #Landscape #Mountains #ThePhotoHour #Bluesky #Drone #Stunday
November 16, 2025 at 11:15 AM
🌄 Good morning, sometimes, you want to fly like an Golden eagle 🦅 to capture the fantastic landscapes of #CentralAsia. Like here, near the Jeti-Oguz rocks in #Kyrgyzstan. 🏞 Would you like to fly, too? Happy Sunday. 🤗
#Photography #Landscape #Mountains #ThePhotoHour #Bluesky #Drone #Stunday
#Photography #Landscape #Mountains #ThePhotoHour #Bluesky #Drone #Stunday
Reposted by Dave MacLean
Oct 21, 2009: Friction stir welding is a groundbreaking technique used in manufacturing space shuttle external tanks, allowing for strong, defect-free joints without melting the materials.
www.nasa.gov/image-article/friction-stir-weld/
www.nasa.gov/image-article/friction-stir-weld/
November 16, 2025 at 12:01 AM
Oct 21, 2009: Friction stir welding is a groundbreaking technique used in manufacturing space shuttle external tanks, allowing for strong, defect-free joints without melting the materials.
www.nasa.gov/image-article/friction-stir-weld/
www.nasa.gov/image-article/friction-stir-weld/
Quote-post @huubeggen.bsky.social: Check-out this👇very nice mosaicking of astronaut photos!
Along the south coast of #Jamaica on the interactive map isspix.com/ISS073, there is a pin for Huub's post; it also has link to one of the downloadable 200-mm high-res by astronaut #ZenaCardman
Along the south coast of #Jamaica on the interactive map isspix.com/ISS073, there is a pin for Huub's post; it also has link to one of the downloadable 200-mm high-res by astronaut #ZenaCardman
November 15, 2025 at 10:51 PM
Quote-post @huubeggen.bsky.social: Check-out this👇very nice mosaicking of astronaut photos!
Along the south coast of #Jamaica on the interactive map isspix.com/ISS073, there is a pin for Huub's post; it also has link to one of the downloadable 200-mm high-res by astronaut #ZenaCardman
Along the south coast of #Jamaica on the interactive map isspix.com/ISS073, there is a pin for Huub's post; it also has link to one of the downloadable 200-mm high-res by astronaut #ZenaCardman
Quote-post @huubeggen.bsky.social: another in Huub's #25YearsOnISS 👇series of pictures.
About 90 km east of #Valencia on the interactive map isspix.com/ISS073, there is a pin for Huub's post. Located where the ISS was at photo time, it also has link to the downloadable 1000-mm(!) high-res
About 90 km east of #Valencia on the interactive map isspix.com/ISS073, there is a pin for Huub's post. Located where the ISS was at photo time, it also has link to the downloadable 1000-mm(!) high-res
November 14, 2025 at 8:48 PM
Quote-post @huubeggen.bsky.social: another in Huub's #25YearsOnISS 👇series of pictures.
About 90 km east of #Valencia on the interactive map isspix.com/ISS073, there is a pin for Huub's post. Located where the ISS was at photo time, it also has link to the downloadable 1000-mm(!) high-res
About 90 km east of #Valencia on the interactive map isspix.com/ISS073, there is a pin for Huub's post. Located where the ISS was at photo time, it also has link to the downloadable 1000-mm(!) high-res
Quote-post @huubeggen.bsky.social: very nice 👇 choices of #CometC/2025A6(Lemmon) pics.
At each of central #Minnesota and central #Kazakhstan on the interactive map isspix.com/ISS073, there are pins for Huub's post; each also has link to the downloadable 85-mm high-res by astronaut #KimiyaYui
At each of central #Minnesota and central #Kazakhstan on the interactive map isspix.com/ISS073, there are pins for Huub's post; each also has link to the downloadable 85-mm high-res by astronaut #KimiyaYui
November 14, 2025 at 8:38 PM
Quote-post @huubeggen.bsky.social: very nice 👇 choices of #CometC/2025A6(Lemmon) pics.
At each of central #Minnesota and central #Kazakhstan on the interactive map isspix.com/ISS073, there are pins for Huub's post; each also has link to the downloadable 85-mm high-res by astronaut #KimiyaYui
At each of central #Minnesota and central #Kazakhstan on the interactive map isspix.com/ISS073, there are pins for Huub's post; each also has link to the downloadable 85-mm high-res by astronaut #KimiyaYui
Quote-post @huubeggen.bsky.social: another 👇 in Huub's #25YearsOnISS series of pictures.
At #KualaLumpur on the interactive map isspix.com/ISS073, there is a pin for Huub's post; it also has link to the downloadable 400-mm high-res
At #KualaLumpur on the interactive map isspix.com/ISS073, there is a pin for Huub's post; it also has link to the downloadable 400-mm high-res
November 13, 2025 at 9:37 PM
Quote-post @huubeggen.bsky.social: another 👇 in Huub's #25YearsOnISS series of pictures.
At #KualaLumpur on the interactive map isspix.com/ISS073, there is a pin for Huub's post; it also has link to the downloadable 400-mm high-res
At #KualaLumpur on the interactive map isspix.com/ISS073, there is a pin for Huub's post; it also has link to the downloadable 400-mm high-res
Quote-post @huubeggen.bsky.social: Quite 👇the glacier!
There are two pins for Huub's #25YearsOnISS post on the interactive map isspix.com/ISS073: 1) in #Tajikistan (location of the ISS at photo time); 2nd) on the image's centre in the #Kashmir district. Both pins have link to 400-mm high-res
There are two pins for Huub's #25YearsOnISS post on the interactive map isspix.com/ISS073: 1) in #Tajikistan (location of the ISS at photo time); 2nd) on the image's centre in the #Kashmir district. Both pins have link to 400-mm high-res
On 12 November 2011 an astronaut aboard space station #ISS took this image of the Siachen glacier west of Padmanabh mountain (which is iust outside the view at upper left) in Kashmir, India. North at left. Original eol.jsc.nasa.gov/SearchPhotos... @daveatcogs.bsky.social #25YearsOnISS
November 13, 2025 at 9:22 PM
Quote-post @huubeggen.bsky.social: Quite 👇the glacier!
There are two pins for Huub's #25YearsOnISS post on the interactive map isspix.com/ISS073: 1) in #Tajikistan (location of the ISS at photo time); 2nd) on the image's centre in the #Kashmir district. Both pins have link to 400-mm high-res
There are two pins for Huub's #25YearsOnISS post on the interactive map isspix.com/ISS073: 1) in #Tajikistan (location of the ISS at photo time); 2nd) on the image's centre in the #Kashmir district. Both pins have link to 400-mm high-res
Reposted by Dave MacLean
This is the coolest map I've seen. Capturing not one but two swirling areas in the coast of Ellesmere Island.
Full map here❄: soaratlas.com/maps/america...
Full map here❄: soaratlas.com/maps/america...
November 13, 2025 at 8:00 AM
This is the coolest map I've seen. Capturing not one but two swirling areas in the coast of Ellesmere Island.
Full map here❄: soaratlas.com/maps/america...
Full map here❄: soaratlas.com/maps/america...
Reposted by Dave MacLean
🌄 Good morning, the Botanical Garden of Almaty in #Kazakhstan is the green oasis of this city. 🌳🦢🌲 A wonderful place to relax with family & friends. Have a wonderful Thursday. 🤗
#HumansOfBlueSky #PalacesAndGardens #UrbanGaze #BotanicalWonders #Photography #Nature #EastCoastKin #CentralAsia
#HumansOfBlueSky #PalacesAndGardens #UrbanGaze #BotanicalWonders #Photography #Nature #EastCoastKin #CentralAsia
November 13, 2025 at 10:40 AM
🌄 Good morning, the Botanical Garden of Almaty in #Kazakhstan is the green oasis of this city. 🌳🦢🌲 A wonderful place to relax with family & friends. Have a wonderful Thursday. 🤗
#HumansOfBlueSky #PalacesAndGardens #UrbanGaze #BotanicalWonders #Photography #Nature #EastCoastKin #CentralAsia
#HumansOfBlueSky #PalacesAndGardens #UrbanGaze #BotanicalWonders #Photography #Nature #EastCoastKin #CentralAsia
Reposted by Dave MacLean
Today, 70 years ago, lightning strikes the Hill Valley clock tower #BackToTheFuture #movie
November 13, 2025 at 12:51 AM
Today, 70 years ago, lightning strikes the Hill Valley clock tower #BackToTheFuture #movie
Quote-post @huubeggen.bsky.social: another 👇 in Huub's #25YearsOnISS series of pictures.
About 90 km SW of #Kaho'olawe Island (location of ||+|| at photo time) on the interactive map isspix.com/ISS073, there is a pin for Huub's post; it also has link to the downloadable 200-mm high-res
About 90 km SW of #Kaho'olawe Island (location of ||+|| at photo time) on the interactive map isspix.com/ISS073, there is a pin for Huub's post; it also has link to the downloadable 200-mm high-res
November 12, 2025 at 10:38 PM
Quote-post @huubeggen.bsky.social: another 👇 in Huub's #25YearsOnISS series of pictures.
About 90 km SW of #Kaho'olawe Island (location of ||+|| at photo time) on the interactive map isspix.com/ISS073, there is a pin for Huub's post; it also has link to the downloadable 200-mm high-res
About 90 km SW of #Kaho'olawe Island (location of ||+|| at photo time) on the interactive map isspix.com/ISS073, there is a pin for Huub's post; it also has link to the downloadable 200-mm high-res
Reposted by Dave MacLean
🌅 Good morning! While the #paddling rook is clearly enjoying its morning ablutions at Lake Burabay 🏞️ in #Kazakhstan, we wish you a pleasant Wednesday! 🤗
#Photography #EastCoastKin #BirdOfTheDay #Birds #CentralAsia #BlueSky #Nature #Wildlife
#Photography #EastCoastKin #BirdOfTheDay #Birds #CentralAsia #BlueSky #Nature #Wildlife
November 12, 2025 at 9:40 AM
🌅 Good morning! While the #paddling rook is clearly enjoying its morning ablutions at Lake Burabay 🏞️ in #Kazakhstan, we wish you a pleasant Wednesday! 🤗
#Photography #EastCoastKin #BirdOfTheDay #Birds #CentralAsia #BlueSky #Nature #Wildlife
#Photography #EastCoastKin #BirdOfTheDay #Birds #CentralAsia #BlueSky #Nature #Wildlife
November 12, 2025 at 2:22 AM
Reposted by Dave MacLean
😎 This is cool 👇 Explore 25 years on the International Space Station. This multimedia project replays every day of the past 25 years on board and consists entirely of historical mission material. By @benfeist.bsky.social and David Charney.
issinrealtime.org
issinrealtime.org
ISS in Real Time
Explore 25 years onboard the International Space Station.
issinrealtime.org
November 11, 2025 at 4:34 PM
😎 This is cool 👇 Explore 25 years on the International Space Station. This multimedia project replays every day of the past 25 years on board and consists entirely of historical mission material. By @benfeist.bsky.social and David Charney.
issinrealtime.org
issinrealtime.org
Quote-post @huubeggen.bsky.social: another 👇 in Huub's #25YearsOnISS series of pictures.
Just off the very NE coast of #Mozambique on the interactive map isspix.com/ISS073, there is a pin for Huub's post; it also has 1) a link to the downloadable 400-mm high-res and 2) a hint to a second pin
Just off the very NE coast of #Mozambique on the interactive map isspix.com/ISS073, there is a pin for Huub's post; it also has 1) a link to the downloadable 400-mm high-res and 2) a hint to a second pin
November 10, 2025 at 11:06 PM
Quote-post @huubeggen.bsky.social: another 👇 in Huub's #25YearsOnISS series of pictures.
Just off the very NE coast of #Mozambique on the interactive map isspix.com/ISS073, there is a pin for Huub's post; it also has 1) a link to the downloadable 400-mm high-res and 2) a hint to a second pin
Just off the very NE coast of #Mozambique on the interactive map isspix.com/ISS073, there is a pin for Huub's post; it also has 1) a link to the downloadable 400-mm high-res and 2) a hint to a second pin
Quote-post @huubeggen.bsky.social: another 👇 in Huub's #25YearsOnISS series of pic.
In the way south #AtlanticOcean north of #SouthGeorgia Island, on the interactive map isspix.com/ISS073, there is a pin for Huub's post; it also has link to the downloadable 180-mm high-res
In the way south #AtlanticOcean north of #SouthGeorgia Island, on the interactive map isspix.com/ISS073, there is a pin for Huub's post; it also has link to the downloadable 180-mm high-res
November 10, 2025 at 6:24 PM
Quote-post @huubeggen.bsky.social: another 👇 in Huub's #25YearsOnISS series of pic.
In the way south #AtlanticOcean north of #SouthGeorgia Island, on the interactive map isspix.com/ISS073, there is a pin for Huub's post; it also has link to the downloadable 180-mm high-res
In the way south #AtlanticOcean north of #SouthGeorgia Island, on the interactive map isspix.com/ISS073, there is a pin for Huub's post; it also has link to the downloadable 180-mm high-res
Quote-post @huubeggen.bsky.social: regarding Huub's #25YearsOnISS series of pic, 👇was taken 7 Nov 2007 of #PalmJumeirah.
Due south of #Dubai (location of ||+|| at photo time) on the map isspix.com/ISS073, there is a pin for Huub's post; it also has link to the downloadable 750-mm high-res
Due south of #Dubai (location of ||+|| at photo time) on the map isspix.com/ISS073, there is a pin for Huub's post; it also has link to the downloadable 750-mm high-res
November 10, 2025 at 5:56 PM
Quote-post @huubeggen.bsky.social: regarding Huub's #25YearsOnISS series of pic, 👇was taken 7 Nov 2007 of #PalmJumeirah.
Due south of #Dubai (location of ||+|| at photo time) on the map isspix.com/ISS073, there is a pin for Huub's post; it also has link to the downloadable 750-mm high-res
Due south of #Dubai (location of ||+|| at photo time) on the map isspix.com/ISS073, there is a pin for Huub's post; it also has link to the downloadable 750-mm high-res
Reposted by Dave MacLean
Mar 6, 2025: Captured by the OLI on Landsat 8, Kachemak Bay's cloudy waters showcase the effects of glacial flour and sediment from the Grewingk-Yalik Glacier Complex.
www.nasa.gov/image-article/kachemak-bays-stony-waters
www.nasa.gov/image-article/kachemak-bays-stony-waters
November 10, 2025 at 2:00 PM
Mar 6, 2025: Captured by the OLI on Landsat 8, Kachemak Bay's cloudy waters showcase the effects of glacial flour and sediment from the Grewingk-Yalik Glacier Complex.
www.nasa.gov/image-article/kachemak-bays-stony-waters
www.nasa.gov/image-article/kachemak-bays-stony-waters
Reposted by Dave MacLean
When asteroids slam into Earth they create a warm, wet local environment. These 3 guys dug through 78-million-year-old core samples to show how quickly life moves into the hellscape, to understand Earth history. news.westernu.ca/2025/09/life...
@westernu.ca @linneuni.bsky.social Canada & Sweden
@westernu.ca @linneuni.bsky.social Canada & Sweden
November 10, 2025 at 2:39 PM
When asteroids slam into Earth they create a warm, wet local environment. These 3 guys dug through 78-million-year-old core samples to show how quickly life moves into the hellscape, to understand Earth history. news.westernu.ca/2025/09/life...
@westernu.ca @linneuni.bsky.social Canada & Sweden
@westernu.ca @linneuni.bsky.social Canada & Sweden