HRSC Image Archive 2004
Images from the HRSC instrument on Mars Express released in 2004. Click on an image to access the full caption and the option to download high-resolution jpg and tiff versions of the image.
22 December 2004
Location: 285° E, 5° S - Candor Chasma Image Resolution: app. 40 m per pixel View: Overhead Description: Traces of erosion can be observed at the canyon walls, which are similar to erosion features observed on Earth in arid or alpine regions. |

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08 December 2004
Location: 102° E, 42° S - Reull Vallis Image Resolution: app. 21 m per pixel View: Overhead Description: Reull Vallis is an outflow channel that extends 1500 kilometres across Promethei Terra in the direction of Hellas Basin. |

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24 November 2004
Location: 324° E, 36° S - Hale Crater Image Resolution: app. 40 m per pixel View: Overhead Description: The region around the Hale crater is heavily eroded by deposits from the impact, and subsequent processes. |

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17 November 2004
Location: 301° E, 14° S - Coprates Catena Image Resolution: app. 43 m per pixel View: Overhead Description: Coprates Catena is a chain of collapsed structures, which run parallel to the main valley Coprates Chasma. |

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11 November 2004
Object: Phobos Image Resolution: app. 7 m per pixel View: From 200 kilometres Description: This image is one of the highest-resolution pictures so far of the Martian satellite Phobos. It shows the Mars facing side of the moon and was taken on 22 August 2004. |

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03 November 2004
Location: 269° E, 7° S - Tithonium Chasma Image Resolution: app. 52 m per pixel View: Overhead Description: The image shows the western end of the canyons Tithonium Chasma and Ius Chasma, part of the Valles Marineris canyon system, which are up to 5.5 kilometres deep. |

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19 October 2004
Location: 61° E, 14° S - Huygens Crater Image Resolution: app. 70 m per pixel View: Overhead Description: This image shows part of the eastern rim of the Huygens crater which is heavily eroded. |

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12 October 2004
Location: 118° E, 42° S - Promethei Terra Image Resolution: app. 14 m per pixel View: Overhead Description: Area, east of the Hellas Planitia impact basin, with a smooth surface caused by a layer of dust or volcanic ash that is up to several tens of metres thick. |

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30 August 2004
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Location: 322° E, 11° S - Eos Chasma Image Resolution: app. 80 m per pixel View: Overhead Description: Eos Chasma is the southern part of Valles Marineris. Between the surrounding plains and the smooth valley floor, a height difference of about 5000 metres has been measured. |

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23 August 2004
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Location: 303° E, 43° S - Argyre Planitia crater basin Image Resolution: app. 16.2 m per pixel View: Overhead Description: In the north-eastern part of this crater lies a complex dune field, 7 kilometres wide by 12 kilometres long. The composition of the dune material is not certain. |

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16 August 2004
Location: 93° E, 32° S - Dao Valles and Niger Valles Image Resolution: 40 m per pixel View: Overhead Description: This image shows the Dao Valles and Niger Valles areas at a point where the north-eastern Hellas impact crater basin and the Hesperia Planum volcanic region meet. |

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23 July 2004
Location: 220° E, 6° N - south of Olympus Mons Image Resolution: 20 m per pixel View: Perspective Description: In this region near Olympus Mons the surface shows a structure of 'yardang' features, which was probably sculpted by wind-blown sand. |

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08 July 2004
Location: 68° E, 29° S - Hellas basin Image Resolution: 18.3 m per pixel View: Overhead Description: Northern rim of the Hellas basin, a giant impact crater with a diameter of about 2300 kilometres. |

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22 June 2004
Location: 285° E, 12° S - Melas Chasma Image Resolution: app. 16 m per pixel View: Overhead Description: The image shows the southern rim of the Melas Chasma in the Valles Marinaris Canyon. It holds several clues to the morphological and geological development of the Valles Marineris. |

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09 June 2004
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Location: 209° E, 5° S - Mangala Valles Image Resolution: 28 m per pixel View: Overhead Description: The depicted region is situated on the south-western Tharsis bulge and shows the mouth of the Mangala Valles and Minio Vallis outflow channels. |

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24 May 2004
Location: 239°E, 10°S - Arsia Mons Image Resolution: 20 m per pixel View: Overhead from app. 400 km Description: This image shows a zone of collapse features on the southern flank of the giant shield volcano Arsia Mons. Some of the collapse pits are 2 km deep. |

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07 May 2004
Location: 220°-230° E, 35°-40° N - Acheron Fossae Image Resolution: 30 m per pixel View: Overhead from 765 km Description: A system of parallel running fault lines in the Acheron Fossae region indicates the geological active past. |

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Location: 220°-230° E, 35°-40° N - Acheron Fossae Image Resolution: 30 m per pixel and 50 m per pixel View: Overhead from 765 km and 1240 km Description: A system of fault lines is seen running through a 55-kilometre diameter impact crater. |

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21 April 2004
Location: 222° E, 22° N - Olympus Mons western flank Image Resolution: app. 25 m per pixel View: Overhead Description: The escarpment at lower left rises from the surface level to over 7000 metres. At the top of the image, part of the extensive plains west of the escarpment are shown, known as the 'aureole'. |

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08 April 2004
Location: 278.8° E, 8.3° S - Louros Valles Image Resolution: 13.0 m per pixel View: Overhead from 269 km Description: The image shows a system sapping of channels south of the Ius Chasma canyon which runs west to east. |

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31 March 2004
Location: 255.7° E, 30.9° N - Claritas Fossae Image Resolution: 17.0 m per pixel View: Overhead from 271 km Description: Claritus Fossae is an ancient tectonic region west of Solis Planum and south-east of the Tharsis volcano chain. |

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22 March 2004
Location: 255.5° E, 7.9° N - Ascraeus Mons Image Resolution: 16.8 m per pixel View: Overhead from 271 km Description: The southern flank of Ascraeus Mons, the northernmost of the three Tharsis Volcano Group. The image reveals many features associated with lava channels and collapsed lava tunnels. |

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01 March 2004
Location: 150° E, 31.7° N - Hecates Tholus Image Resolution: 12.5 m per pixel View: Overhead from 275 km Description: Hecates Tholus is the nothernmost volcano of the Elysium group. The volcano stands 5.2 km high with a caldera 10 km wide and up to 600 m deep. |

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18 February 2004
Location: 309° E, 29.8° N - Kasei Vallis Image Resolution: 12 m per pixel Area Covered: 130 km wide View: Overhead Description: Kasaei Vallis is the largest outflow channel on Mars. It was possibly created by glacial erosion or water outflows from subglacial lakes. |

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11 February 2004
Location: 227° E, 18.3° N - Olympus Mons Image Resolution: 12 m per pixel View: Overhead Description: The largest volcano in the Solar System standing 24 km above the surrouding plateau. The caldera is estimated to be 3 km deep. |

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10 February 2004
Location: 323° E, 1° S to 2.5° N - Mars Equatorial region Image Resolution: 12 m per pixel Area Covered: 50 km top to bottom View: Overhead Description: The features in the picture indicate erosional processes possibly caused by water. |

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Location: 323° E, 5 to 10° N - region north of Valles Marineris Image Resolution: 12 m per pixel Area Covered: 50 km top to bottom View: Overhead Description: The features in the picture indicate erosional processes possibly caused by water. |

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23 January 2004
Location: Albor Tholus Description: The image reveals dust, blown by a surface winds, falling over the edge of the summit caldera of Albor Tholus, a volcano in the Elysium region. The caldera is 30 km in diameter and has a depth of 3 km. The volcano as a whole has a diameter of 160 km and a height of 4.5 km. |

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Location: 323° E, 15° S - region south of Valles Marineris Image Resolution: 12 m per pixel Area Covered: 50 km across View: Overhead Description: Tectonically controlled karst-like structure. |

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Location: 323° E, 15° S - region south of Valles Marineris Image Resolution: 12 m per pixel Area Covered: 50 km across View: Perspective Description: Tectonically controlled karst-like structure. |

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View: Overhead Description: A mesa in the true colours of Mars. The summit plateau stands about 3 km above the surrounding terrain. The original surface was dissected by erosion, only isolated mesas remained intact. The large crater has a diameter of 7.6 km. |

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View: Perspective Description: A mesa in the true colours of Mars. The summit plateau stands about 3 km above the surrounding terrain. The original surface was dissected by erosion, only isolated mesas remained intact. |

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Location: 101° E, 41° S - region east of the Hellas Basin Image Resolution: 12 m per pixel Area Covered: 100 km across View: Overhead Description: A dried up river channel (Reull Vallis) possibly showing the remains of some sediement (the darker feature). |

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Location: 101° E, 41° S - region east of the Hellas Basin Image Resolution: 12 m per pixel Area Covered: 100 km across View: Perspective Description: A dried up river channel (Reull Vallis) possibly showing the remains of some sediement (the darker feature). |

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Location: 323° E, 5° N - Valles Marineris Image Resolution: 12 m per pixel Area Covered: 50 km across View: Overhead Description: An image showing mesas and cliffs as well as flow features which indicate erosion by the action of flowing water. The dark feature to the left of the image is, as yet, of undetermined composition. |

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Location: Gusev Crater Region Area Covered: 3700 km from top to bottom and up to 166 km wide View: Overhead Description: A huge thin strip of the surface of Mars centred on the landing site for the NASA Spirit rover. |

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Location: Gusev Crater Area Covered: 60 km View: Overhead from 320 km Description: The landing site for the NASA Spirit rover. (Note the green colour is an effect of image processing) |

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Location: Valles Marineris Resolution: 12 km per pixel View: Overhead Description: A series of erosional features contained within the giant Valles Marineris canyon. |

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Location: Valles Marineris Resolution: 12 km per pixel View: Perspective Description: A series of erosional features contained within the giant Valles Marineris canyon. |

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Location: Valles Marineris Area Covered: 60 km View: Montage Description: A series of erosional features contained within the giant Valles Marineris canyon. |

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Last Update: 01 Feb 2006
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