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Mike Collins (CAPCOM)
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Okay. Plus 1197 minus 16500 12681 35608 050:46:53, GDC align north set stars, roll 068, pitch 097, yaw 356, ullage none; other: one, fast return, P37, DELTA-V equals 7900 for Indian Ocean; number 2, high-speed procedure not required; number 3, assumes no midcourse correction number 1. Over.
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Bill Anders (LMP)
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Roger. TLI plus 11. SPS/G&N 63330 minus 163 plus 129 013:56:47.59 minus 00489 plus 00000 plus 47250. You copy so far?
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Bill Anders (LMP)
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Roll 177 144 00 NA plus 00197 47253 554 47050 12 1278 26, correction 256 023, up 265, left 18. Copy so far?
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Bill Anders (LMP)
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Plus 1197, minus 16500 12681 35608 0506, correction 050:46:53 north set 068 097 356, zero ullage. Note one: fast return, P37, DELTA-V 7900 Indian Ocean; two, high-speed procedure not required; three, PAD assumes no MCC 1. Over.
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Jim Lovell (CMP)
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Roger, Mike. I'd like to give some comments on P23 data. The auto maneuver was quite accurate. Looks like we got some substellar point in the maneuver; auto optics put Canopus straight where it should be; minimum impulse control worked as advertised. At the altitudes at which I started to do the sightings, they have a definite hazy band line. The filter gives the earth a glow, sort of an orangey glow. It's very indefinite of where to put the star, but there does seem to be a solid line where you might expect the horizon to be that appears through the haze where we expect the atmosphere to be. I followed the procedure which we had done up at MIT, about two lines atop the haze layer a definite line for these sightings. In regards to the optics calibration, it was very difficult to find a star in the landmark line of sight in the venting of the S-IVB.
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Mike Collins (CAPCOM)
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Roger, Apollo 8. We copied that, and we'd like for you to do that trunnion check, that calibration, prior to your next set of sightings.
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Jim Lovell (CMP)
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Roger. Will do. Canopus just disappeared from view, and maybe when we get a little time here, I'll try to get a calibration the first time.
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Mike Collins (CAPCOM)
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We're going to have to wait until we get the high-gain antenna locked on again to dump the tape.
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Frank Borman (CDR)
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Okay. And you are about ready for us to go to the PTC attitude?
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Mike Collins (CAPCOM)
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We'd like to hold off on the PTC and get some more P23 information. We'll have some more details of that for you shortly.
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Mike Collins (CAPCOM)
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Apollo 8, Houston. You faded out completely, Jim. I heard Frank, but it faded when you began talking. Say again.
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Jim Lovell (CMP)
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Roger. I have switched to Sirius, the second star in the first set, to see if I can't get an optics calibration on it, at least.
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Mike Collins (CAPCOM)
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Jim, on your P23, we'd like to go ahead and do the calibration and then use star number 15 and take three sets, followed by star number 16, two sets. Over.
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Jim Lovell (CMP)
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Roger, Houston. That's what we're trying to do. I'm trying to get 15 for an optics CAL. It's been very difficult with the bright earth to find a star that we can get into the sextant. I'm trying to use the auto optics in P23 to get the star. We have that now; we're trying to maneuver the spacecraft to bring the trunnion to zero so we can get the landmark line of sight.
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Mike Collins (CAPCOM)
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Roger. Understand. And I also have your PTC attitude, which is different than you have. I'll give that to you whenever you get a free moment.
Spoken on Dec. 21, 1968, 6:18 p.m. UTC (55 years, 10 months ago). Link to this transcript range is: Tweet
