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The Gateway to Astronaut Photography of Earth
(NASA Crew Earth Observations)
Astronaut Photography of Earth - Display Record
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IdentificationMission: ISS033 Roll: E Frame: 14186 Mission ID on the Film or image: ISS033
Country or Geographic Name: USA-MARYLAND
Features: BALTIMORE METRO AREA AT NIGHT, MIDDLE RIVER, CHESAPEAKE BAY
Center Point: Latitude: 39.3 Longitude: -76.6 (Negative numbers indicate south for latitude and west for longitude)
Stereo: (Yes indicates there is an adjacent picture of the same area)
ONC Map ID: JNC Map ID:
CameraCamera Tilt: 38
Camera Focal Length: 400mm
Camera: N5: Nikon D3S
Film: 4256E : 4256 x 2832 pixel CMOS sensor, 36.0mm x 23.9mm, total pixels: 12.87 million, Nikon FX format.
Percentage of Cloud Cover: 10 (0-10)
GMT Date: 20121016 (YYYYMMDD) GMT Time: 042920 (HHMMSS)
Nadir Point Latitude: 40.2, Longitude: -73.9 (Negative numbers indicate south for latitude and west for longitude)
Nadir to Photo Center Direction: West
Sun Azimuth: 354 (Clockwise angle in degrees from north to the sun measured at the nadir point)
Spacecraft Altitude: 216 nautical miles (400 km)
Sun Elevation Angle: -59 (Angle in degrees between the horizon and the sun, measured at the nadir point)
CaptionsBaltimore, Maryland at Night
Baltimore, Maryland, is located on the US mid-Atlantic coastline along the terminus of the Patapsco River into Chesapeake Bay, and is the largest seaport along this part of the coast. This astronaut photograph, taken from the International Space Station, highlights the Baltimore area at night. Like many large US metropolitan areas, the most brightly lit area corresponds to the highest density of buildings and typically indicates the urban core – in this case, downtown Baltimore at image center.
Highways and large arterial streets appear as bright yellow-orange lines extending outwards from the downtown area into the surrounding suburban regions (light violet and reddish brown regions of diffuse lighting). Dark areas beyond the suburban zone are rural - or to the southeast, indicate the waters of Chesapeake Bay. Small dark patches within the metropolitan area are open space including parks, cemeteries, and the Baltimore Zoo (image top left). Two large, brightly-lit areas along Chesapeake Bay are commercial/industrial regions, and include the major port facilities for Baltimore.
The City of Baltimore was incorporated in 1796, after serving as the de facto capital of the nascent United States of America during the Second Continental Congress(from December 20, 1776 to March 4, 1777). Today, the Baltimore metropolitan area (as defined by the Baltimore Metropolitan Council includes over 2.5 million people and includes six Maryland counties (Anne Arundel, Baltimore, Carroll, Harford, and Howard) in addition to the City of Baltimore. The region is also a focus of urban ecological research through the Baltimore Ecosystem Study that is part of the National Science Foundation’s Long Term Ecological Research network.
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Recommended Citation: Earth Science and Remote Sensing Unit, NASA-Johnson Space Center. "The Gateway to Astronaut Photography of Earth." .