Dave MacLean

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

1.7K followers501 following1.8K posts

Dave MacLean reposted

SANITY SOUGHT Walking in autumn is the best of all the times I've known. No insect activity to speak of, no heat to sweat, and any minor chill is no challenge to keep at ba... [Read More: IG, FB, Patreon, Substack] October 22, 2026 Parker's Cove, Nova Scotia Year 19, Day 6920 of my daily journal.

Dave MacLean reposted

#GIS is more than static #maps! It is a way to visualize data, convey information and tell stories. 🌎📖 Learn the latest #ArcGIS tools that power deeper communication in our brand-new MOOC (started last week). Register: bit.ly/4zcXqLh #mapping #cartography #esri #GISchat #geospatial #geosky

Dave MacLean reposted

Buckle up, friends. This is going to be a thread. A thread of thanksgiving, my gratitude for the people of the city and the province I love. The people who stood united to defeat a dark and narrow vision of Alberta's future. The people who stood in defence of Canada. 🧵 #Alberta #Canada #yeg

Dave MacLean reposted

Quote-post @huubeggen.bsky.social: the "stitch work" on👇is really nice! At #Ramsey, #IsleOfMan on the interactive map bit.ly/ISS075, there is a camera-icon pin for Huub's post; it also has link to one of the composite (& downloadable) 1120(!)-mm high-res by astronaut #SophieAdenot

Huub Eggen@huubeggen.bsky.social

The bigger part of the Isle of Man, UK in this stitch of images taken by ESA astronaut Sophie Adenot on 1 October 2026 from space station #ISS. A selection of images from sequence ISS075-E-158655-158685 was used. Original eol.jsc.nasa.gov/SearchPhotos... @daveatcogs.bsky.social

Dave MacLean reposted

GHOST OF ANNAPOLIS APPLES The first time I considered the concept of dereliction was visiting this apple orchard. Back before the turn of the century, Tim Hennigar walked wi... [Read More: IG, FB, Patreon, Substack] October 16, 2026 Beaconsfield, Nova Scotia Year 19, Day 6914 of my daily journal.

Quote-post @huubeggen.bsky.social: long-exposure👇pics (30- & 3-sec) taken at 27 500 kph! Southeast of #HongKong & just south of #Taiwan on the interactive map bit.ly/ISS075, there are 2 camera-icon pins for Huub's post; both have links to the downloadable 14-mm high-res by astronaut #JessicaMeir

Huub Eggen@huubeggen.bsky.social

Playing with camera settings in space station #ISS. Images taken by astronaut Jessica Meir on 14 and 15 September 2026. Details in the alt-text. Originals eol.jsc.nasa.gov/SearchPhotos... and eol.jsc.nasa.gov/SearchPhotos... @daveatcogs.bsky.social

Quote-post @huubeggen.bsky.social: ah Rome! 👇from 420 km up On the interactive map bit.ly/ISS075, there is a camera-icon pin for Huub's post; it also has link to the downloadable 1120-mm high-res by astronaut #SophieAdenot CC: @orbitalbriefnew.bsky.social @justyncayse.bsky.social

Huub Eggen@huubeggen.bsky.social

Rome, Italy in this image taken by ESA astronaut Sophie Adenot on 1 October from space station #ISS. The Vatican and Saint Peter's Square are at lower right. Image enhanced. Original eol.jsc.nasa.gov/SearchPhotos... @daveatcogs.bsky.social

Dave MacLean reposted

Ukraine's patchwork patterns always captivate! Quote-post @huubeggen.bsky.social of this👇north-to-right pic At #Pidhirya / #Pidhir'ya on the map bit.ly/ISS075, there is a camera-icon pin for Huub's post; it also has link to the downloadable incredible 1120-mm high-res by astronaut #SophieAdenot

Huub Eggen@huubeggen.bsky.social

Southwestern Ukraine, just SW of Ivano-Frankivsk. Pidhirya in centre. North is at right. Image taken by ESA astronaut Sophie Adenot on 1 October 2026. Original eol.jsc.nasa.gov/SearchPhotos... @daveatcogs.bsky.social

Oh wow: ||+|| and Koguma were about 1650 km apart. Quote-post @huubeggen.bsky.social for this👇gem East & SE of #Japan on the map bit.ly/ISS075, there are two pins for Huub's post (locations of ISS & Koguma); each also has link to the downloadable 250-mm high-res CC: @fokkovdleest.eurosky.social

Huub Eggen@huubeggen.bsky.social

A very oblique view of the eye of typhoon Koguma when it was southeast of Japan on 10 October 2026. Image taken with an external camera on space station #ISS. Original eol.jsc.nasa.gov/SearchPhotos... @daveatcogs.bsky.social NB This is a reskeet of a previous post which had the typhoon mis-IDed.

Quote-post @huubeggen.bsky.social: very nice👇find for #Galesnjak Island! At the heart of that heart-shaped island off Croatia's coast on the map bit.ly/ISS075, there is a camera-icon pin for Huub's post; it also has link to downloadable 1120-mm ( #WOW !) high-res by astronaut #SophieAdenot

Huub Eggen@huubeggen.bsky.social

Croatia with Galesnjak island in this image taken by ESA astronaut Sophie Adenot from space station #ISS on 1 October 2026. The Dalmation coast here consists of ridges and submerged valleys running parallel to the coast. Original eol.jsc.nasa.gov/SearchPhotos... @daveatcogs.bsky.social

Good morning from #Lawrencetown, #NovaScotia - here’s the sunrise outside #COGS - orange flags await an exercise (not by me!) for survey students

Dave MacLean reposted

Last week above the city of Rhenen in The Netherlands. I had been wanting to photograph this church tower with these kinds of conditions for years, and I finally managed to do so. What a morning.

Dave MacLean reposted

🔔 Spooky App Update 🐈‍⬛ - Spooky Season Questies 👻🦇🧙‍♀️🍁 - Surveillance Camera Map Layer 👁️

Oh my: this is a cool project disseminating important information in a very engaging manner. Hat-tip to @brilliantmaps.bsky.social

Brilliant Maps@brilliantmaps.bsky.social

Map showing Canada's Crude Oil Exports by value and destination in 2025 (Note 90% goes to the US, which in turn represents 62% of American Imports) This map comes from a cool interactive map project I was sent called Connected Planet. You can give it a try here: photyx.cz/planeta/?country=...

Dave MacLean reposted

📊🗺️#datavis #maps worldmapper.org has an amazing collection of anamorphic cartograms with size of countries mapped to some variable of interest. This one, on the outbreak of COVID is one of my favorites, animating the change over time. Watch it spread

Dave MacLean reposted

This week’s #ShareCanGeo spotlight goes to CJ Jia (@JCR_Nature), who captured this curious cougar kitten in the Canadian Rockies. Have a photo from your adventures across Canada? Use #ShareCanGeo for a chance to be featured.

Dave MacLean reposted

Did you know that every single book I sell is signed with a short note? It's been a lot of handwriting through the years (in the thousands), but it means lot to me that every single copy I mail out is in some way individual. Order here: etsy.com/shop/SteveSkafte

Dave MacLean reposted

WEATHERWORN It's a rare town in rural Nova Scotia that still carries the heart of the working class. Bypassed by Highway 103, the sleepy streets of Lockeport can be easily mi... [Read More: IG, FB, Patreon, Substack] September 17, 2026 Lockeport, Nova Scotia Year 19, Day 6885 of my daily journal.

Quote-post @nasa-daily.bsky.social: Just off the #Vietnam coast near Nha Trang (location of ||+|| at photo time) on the interactive map bit.ly/ISS075, click the pin for NASA IotD's 👇 post; also has links to article & 15-second, 14-mm high-res.

Sep 30, 2026: Star trails illuminate the sky above Earth, with fishing boats and Indonesian cities shining brightly beneath the ISS as it orbits 258 miles above the Banda Sea. www.nasa.gov/image-article/star-trails

On the bird site, #NASA astronauts #AnilMenon & #JessicaMeir shared these pictures of hurricane #Polo taken on the International Space Station There are 3 pins on the interactive map bit.ly/ISS075 west of Mexico for their tweets Pins are at Polo’s location at times of ISS pass previous to tweet

Dave MacLean reposted

#September 30th marks the National Day for Truth and Reconciliation. The #Museum of Natural History is open 9:30am - 4:30pm, with free admission. The day honours the children who never returned home and Survivors of residential schools, as well as their families and communities.