| Show big chart Data from OpenStreetMap - Published under ODbL Show big chart | 
Core informations from the MPC code files:
| Code | 843 | 
| Longitude | 273.0648 (273:03:53 East) | 
| cos(Latitude) | 0.82481 | 
| sin(Latitude) | +0.56357 | 
| Geocentric Latitude | 34.34372 (34:20:37) | 
| Geographic Latitude | 34.52320 (34:31:23) | 
| Altitude | 211 m (Note: The uncertainty maybe several meters at moment due to wrong values by the observer). | 
| Radius | 6371,37 km | 
| Station Name | Emerald Lane Observatory, Decatur | 
| First observation | 1999-08-05 | 
| Last observation | 2004-09-19 (based on MPCAT) | 
| Interval betwen first and last observation | 1873 | 
| Number of observations | 4530 | 
| Number of different observed objects | 1058 | 
| Number of used nights | 342 | 
| MPEC objects | https://mpec.jostjahn.de/843-stat.html | 
| ITF objects | https://itfs.jostjahn.de/itf-843.html | 
| MPEC watch | https://sbnmpc.astro.umd.edu/mpecwatch/byStation/station_843.html | 
| NEODyS-2 | https://newton.spacedys.com/neodys/index.php?pc=2.1.2&o=843&ab=0 | 
| Google Search | https://google.com/search?q=843+"Emerald Lane Observatory - Decatur" | 
| Location | Geohack OpenStreet Map Satellite chart | 
This research has made use of data and/or services provided by the International Astronomical Union's Minor Planet Center.
Made with obs-stat at 10-30-2025 08:23:19. (C) Jost Jahn, Amrum, Germany, codes@jostjahn.de.