I've already figured this out once before. Grab
http://icculus.org/~taylor/freespace/fs1.vp_en/fs1.vp.gz which has an mainhall.tbl with the ani positions for both the Bastion and the Galetea. Here is a quick list if you can't get it out of the VP.
Bastion misc anims:
main1-m1 = 14x14
main1-m2 = 174x198
Bastion door anims (exit, barracks, ready room, tech room, options, campaign):
main1-d1 = 68x260+103x298
main1-d6 = 309x34+110x61
main1-d3 = 312x264+385x330
main1-d4 = 457x34+404x367
main1-d5 = 530x206+174x412
main1-d2 = 305x133+385x330
Galetea misc anims:
main2-m1 = 0x37
main2-m2 = 59x0
main2-m3 = 80x115
main2-m4 = 0x182
Galetea door anims:
main2-d1 = 199x265+263x295
main2-d6 = 296x278+331x309
main2-d3 = 423x138+531x240
main2-d4 = 363x187+395x218
main2-d5 = 47x307+101x342
main2-d2 = 325x311+362x371