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Frank Borman (CDR)
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That completes it, Jerry. They're all cycled through.
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Frank Borman (CDR)
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Roger. The cabin temperature is down to 60, and it's getting pretty chilly in here. Have you got any approved solutions on how to bring it up without stirring up this nice thermal balance we have?
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Jerry Carr (CAPCOM)
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Roger, Frank. Midcourse number 3 looks like just a shade more than 1 foot per second, so we don't recommend that you do it. That leads us off into a midcourse 4 of only about 3 feet per second right now. Your trajectory is looking real good. Your height at pericynthian is 70 miles.
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Jerry Carr (CAPCOM)
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Roger. Roger, Frank. Little few thoughts on what is coming up now. The star sightings when Jim gets up; looks right now like we've had enough of the earth horizon, and everything looks real good; and we are ready to start on some lunar horizon sightings. So when Jim gets up, we will pass the flight plan update to him for a set of stars with the moon. Also, around 48, or after the star sightings is when we would like to see your next water dump come up. So, if you can, I recommend you get a little shuteye.
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Jerry Carr (CAPCOM)
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Roger. They are still cranking around. They are talking about cabin fans, but that sounds like sort of a noisy proposition.
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Jerry Carr (CAPCOM)
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Apollo 8, this is Houston. I have got two methods for you to warm up the cabin there. The first one is a one-man job—about the best way would be to put one or both cabin fans ON and go full hot on the cabin heat exchanger. It'll be a fairly slow process of warming up, and you won't get a whole lot of heating. Your second method would be to adjust with the mixing valve your radiator OUT temperatures. This, again, is a two-man job, and you have to be pretty careful.
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Jim Lovell (CMP)
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Roger. Well, Frank just went to bed, and Bill isn't up yet. I'll tell you what I'll do. I'll put on the fans and go HIGH on the cabin temperature and see what that does.
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Jim Lovell (CMP)
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Houston, Apollo 8.
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Jim Lovell (CMP)
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Roger. If I use just one fan—You mentioned about covering the other one—are you sure that's true in this spacecraft?
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Jim Lovell (CMP)
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Roger. I'll get out the flight plan if you have an update to it now, though, then we can update it right now.
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Jerry Carr (CAPCOM)
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Okay. At 47:15, delete the P23 sightings you're shoving there; and at 45 minutes—correction, 45 hours, add one additional set of sightings to each star.
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Jim Lovell (CMP)
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Okay. You said at 45 hours we're going to add one set of sightings to each of the three stars. Is that correct?
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Jerry Carr (CAPCOM)
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That's affirmative. Everybody's real pleased with the earth horizon work; and as far as we're concerned, you can knock that off, and just add one set to each one of your lunar horizon stars at about 45. This 45-hour time also is not hard. You can shift it as your—as you desire.
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Jim Lovell (CMP)
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Roger. I see things coming up now. Jerry, we're going to get the block data around 44, and we'll do alignment around 44:30 and then we'll go into cislunar navigation.
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Jerry Carr (CAPCOM)
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Okay. Fine, Jim. Then remember after you do the sightings, we'll want you to go back to the PTC mode again. And a little curiosity, how's the water tasting, and how did you sleep?
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Jim Lovell (CMP)
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Water's tasting okay; no problems. And the sleep is getting better: We find it better to sleep underneath the couch now. I was up here with Frank, and I was dozing off periodically over the last several hours. Frank's now below and Bill's below, too.
Spoken on Dec. 23, 1968, 6:58 a.m. UTC (55 years, 10 months ago). Link to this transcript range is: Tweet
