SIMBAD references

P. Williams, Heathcote, New South Wales, reports his visual discovery of a possible nova (mag 10.5) on Apr. 6.565 UT, noting it to be situated 4'.8 southeast of the nearby R CrB-type variable V517 Oph (itself invisible near minimum); Williams gave the position for the new star as R.A. = 17h15m30s, Decl. = -29o09'30" (equinox 2000.0). E. O. Waagen, AAVSO, reports the following precise position for the new object from T. Krajci (Cloudcroft, NM): R.A. = 17h15m33s.00, Decl. = -29o09'39".9 (20 UCAC2 stars used in the solution), adding that a nearby USNO-B1.0 star has position end figures 33s.007, 36".84. Additional visual magnitude estimates: Apr. 6.590, 10.4 (Williams); 6.611, 10.4 (Williams); 7.154, 10.2 (P. Schmeer, Bischmisheim, Germany); 7.552, 9.2 (Williams); 7.575, 9.2 (Williams); 9.531, 9.3 (Williams).