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VERY APPROXIMATE asteroid positions for HI1based on the file 20090428_220901_14h1A.fts:
(Note: the pixel coordinate origin (0,0 location) is the lower-left corner) 

Asteroid designation/name:  X-position, Y-position
----------------
4 VESTA:  941, 620
32 POMONA:  956, 636
35 LEUKOTHEA:  495, 205
43 ARIADNE:  63, 443
56 MELETE:  529, 759
69 HESPERIA:  244, 774
104 KLYMENE:  496, 464
137 MELIBOEA:  868, 947
195 EURYKLEIA:  229, 295
196 PHILOMELA:  604, 519
216 KLEOPATRA:  648, 772
357 NININA:  852, 1021
358 APOLLONIA:  680, 635
674 RACHELE:  873, 351
751 FAINA:  520, 631
914 PALISANA:  917, 547
----------------
NOTE: Not all of these asteroids will be visible, and not all visible asteroids
are recorded in this file.  This is just a guide, not an exhaustive list.
Also note that for HI-1B, these positions have an error of up to +/- 10 pixels.