Sources: The research that led to this catalog was supported by Fulbright Hungary Grant No. 1222202, awarded to H. Hargitai for research at USGS Astrogeology, Flagstaff, Arizona (advisor: Trent Hare), and by the ICA Commission on Planetary Cartography (advisor: Kira Shingareva). Most of the data is based on the inventory of the map library of USGS Astrogeology.
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Publication Date: 1877
Cartographer: Konkoly-Thege, Miklós
Feature on the map: Syrtis Major (to the right)
Observation made in: Ógyalla Observatory
Color drawing showing albedo features
Comment of Konkoly-Thege: 1879. okt. 29. Mióta én a Mars felületét vizsgálom, még soha oly rendkívül élesen körvonalozott foltokat nem láttam, mint ma. … A Mars vérpiros színben tűnik elő. A legnagyobb folt a bolygó egyenlítőjéhez közel áll, mely majdnem hegyesre nyúlik a tábla északi széléhez, de mielőtt elenyészik, egyszer megszakad, s megszakadt része kelet felé görbül. Polyp alakban keletre s nyugatra két kiágazással bír.”
Reference: Konkoly Miklós: Adatok Jupiter és Mars physikájához az 1881. évi megfigyelésekből (In: Értekezések a mathematikai tudományok köréből 1882.)