2015 BL311NEO S506373 
MPC   observation computed with   Astrometrica
http://www.minorplanetcenter.net/iau/NEO/ToConfirm.html


COD C23
CON Olmen observatory,  B-2491 Olmen Belgium, 
http://www.astronomie.be/alfons.diepvens/cometimages/
OBS A. Diepvens
MEA A. Diepvens
TEL 0.20-m f/9 Refractor + CCD
ACK MPCReport file updated 2015.01.21 21:01:36
NET UCAC-4
     S506373  C2015 01 21.83116 07 11 35.02 +08 36 58.1          16.2 R      C23
     S506373  C2015 01 21.83266 07 11 34.79 +08 37 08.7          15.5 R      C23
     S506373  C2015 01 21.83565 07 11 34.55 +08 37 27.0          16.3 R      C23
     S506373  C2015 01 21.83715 07 11 34.37 +08 37 37.1          16.4 R      C23
     S506373  C2015 01 21.83865 07 11 34.25 +08 37 47.0          16.6 R      C23
     S506373  C2015 01 21.84015 07 11 34.06 +08 37 57.2          16.5 R      C23