ISS042-E-83031
| NASA Photo ID | ISS042-E-83031 |
| Focal Length | 26mm |
| Date taken | 2014.12.30 |
| Time taken | 15:17:55 GMT |
Resolutions offered for this image:
1000 x 792 pixels 540 x 428 pixels 4928 x 3280 pixels 720 x 480 pixels 4928 x 3280 pixels 640 x 426 pixels
1000 x 792 pixels 540 x 428 pixels 4928 x 3280 pixels 720 x 480 pixels 4928 x 3280 pixels 640 x 426 pixels
Spacecraft nadir point: 43.4° N, 75.2° W
Photo center point: 47.0° N, 71.0° W
Photo center point by machine learning:
Photo center point: 47.0° N, 71.0° W
Photo center point by machine learning:
Nadir to Photo Center: Northeast
Spacecraft Altitude: 219 nautical miles (406km)
Country or Geographic Name: | CANADA-Q |
Features: | PAN-EASTERN CANADA, ST LAWRENCE RIVER |
| Features Found Using Machine Learning: | PAN- |
Cloud Cover Percentage: | 25 (11-25)% |
Sun Elevation Angle: | 19° |
Sun Azimuth: | 154° |
Camera: | Nikon D4 Electronic Still Camera |
Focal Length: | 26mm |
Camera Tilt: | High Oblique |
Format: | 4928E: 4928 x 3280 pixel CMOS sensor, 36.0mm x 23.9mm, total pixels: 16.6 million, Nikon FX format |
Film Exposure: | |
| Additional Information | |
This photo is one of the photos used to create this time-lapse video:
| Width | Height | Annotated | Cropped | Purpose | Links |
|---|---|---|---|---|---|
| 1000 pixels | 792 pixels | No | Yes | Earth From Space collection | Download Image |
| 540 pixels | 428 pixels | Yes | Yes | Earth From Space collection | Download Image |
| 4928 pixels | 3280 pixels | No | No | NASA's Earth Observatory web site | Download Image |
| 720 pixels | 480 pixels | Yes | No | NASA's Earth Observatory web site | Download Image |
| 4928 pixels | 3280 pixels | No | No | Download Image | |
| 640 pixels | 426 pixels | No | No | Download Image |
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Image Caption: Eastern Canada, Day and Night
Astronauts aboard the International Space Station took these day and night midwinter panoramas of the St Lawrence River in eastern Canada. The seaway can be seen in the day image crossing the image from lower left to top right. Clouds mask its full width where the river widens into the Gulf of St Lawrence (top right). This major river that connects the Great Lakes to the Atlantic Ocean is invisible in the night image--only two lines of the lights of small towns indicate its shorelines. The night image does show the city of Montreal as the major cluster of lights (lower center). Night lights also make it quickly apparent that the provincial capital, Quebec City (population 0.77 million), is smaller than greater Montreal (population 1.1 million). Neither city stands out visually in the day image.
The day image shows that dry, cloudless air is moving southeast and picking up moisture as soon it streams over the St Lawrence River. The moisture appears as numerous tendrils of cloud that stream out into the Atlantic Ocean (image right). A long cloud streamer also rises from Lac Saint-Jean (image left), although the lake is nearly iced over. The night image shows that the lake is ringed by small settlements. The night image also shows a distant green aurora and airglow on the horizon (image top left).
Astronauts aboard the International Space Station took these day and night midwinter panoramas of the St Lawrence River in eastern Canada. The seaway can be seen in the day image crossing the image from lower left to top right. Clouds mask its full width where the river widens into the Gulf of St Lawrence (top right). This major river that connects the Great Lakes to the Atlantic Ocean is invisible in the night image--only two lines of the lights of small towns indicate its shorelines. The night image does show the city of Montreal as the major cluster of lights (lower center). Night lights also make it quickly apparent that the provincial capital, Quebec City (population 0.77 million), is smaller than greater Montreal (population 1.1 million). Neither city stands out visually in the day image.
The day image shows that dry, cloudless air is moving southeast and picking up moisture as soon it streams over the St Lawrence River. The moisture appears as numerous tendrils of cloud that stream out into the Atlantic Ocean (image right). A long cloud streamer also rises from Lac Saint-Jean (image left), although the lake is nearly iced over. The night image shows that the lake is ringed by small settlements. The night image also shows a distant green aurora and airglow on the horizon (image top left).
