SIMBAD references

Following posting on the Central Bureau's unconfirmed-objects webpage, L. Elenin reports the he measured red mag 19.3 and position end figures 54s.50, 40".2 for 2009lt from images obtained on Nov. 24.216 UT by M. Schwartz with the Tenagra II 0.81-m telescope, adding that nothing is visible at this position on DSS images from 1954 Oct. 5 (limiting red mag 19.5) and 1990 Sept. 18 (limiting red mag 20.5). Elenin adds that O. Spiridonova also obtained confirming images with the Special Astrophysical Observatory (Russian Academy of Sciences) 1-m telescope at Zelenchuk on Nov. 23.83, yielding magnitudes R = 19.7 and B = 20.6 (measured by T. Kryachko); these images are posted at website URLs http://www.makhaon.com/_files/obj_B_filter.jpg and http://www.makhaon.com/_files/obj_R_filter.jpg.