- Charlie Duke (CAPCOM)
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Hello, Apollo 11. Houston. We recommend you accept the NOUN 49. Continue through your sequence of sightings, and then we'll analyze the data afterwards. Over.
- Michael Collins (CMP)
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Houston, Apollo 11. Star 40 has just disappeared now in the sextant. Could the trunnion angle 47—something be a little high?
- Michael Collins (CMP)
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Roger. Forty-four is just not bright enough for this. There's a reddish glow filling the black area of the sextant, and the star is lost somewhere in there, and I cannot see it.
- Charlie Duke (CAPCOM)
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And, Mike, we think these large DELTA-R's, NOUN 49, you're getting is really meaningful since it's been way before TLI since we had a state vector update; and we think it's normal. Over.
- Michael Collins (CMP)
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Okay. Could be, Charlie. Some of the early markings, I might not have had precisely the substellar point. I think as time goes by they've been coming more accurate but old Enif here is just flat invisible.
- Michael Collins (CMP)
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And, Houston, Apollo 11. Understand that the same three gimbal angles you gave me should be valid for star 45 as well. Is that affirmative?
- Michael Collins (CMP)
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Okay. Because there's quite a difference between the gimbal angles you have and the gimbal angles the program wants, but with inaccurate state vector, I'm inclined not to believe the program.
- Charlie Duke (CAPCOM)
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Roger. Same, Buzz. And, 11, the angles for you are 1978 for roll, 1285 pitch, 3400 yaw.
- Michael Collins (CMP)
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Okay. Just as a matter of comparison, P23 for this star would like to go to 235.66, 154.31, and 31365. Over.
- Charlie Duke (CAPCOM)
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Roger. We copy, 11. We understand that the program can give you almost an infinite combination of angles in P23, and it's not too unreasonable. If you'll stand by, we'll look at these that we see on the DSKY. Over.
Expand selection up Contract selection down Close - Michael Collins (CMP)
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Okay. Then in the meantime I'll just go ahead and maneuver to yours. 197.8, 128.5, and 340.0.
- Michael Collins (CMP)
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Okay, Charlie. If the attitude you gave me on star number 45—The reticle is off, I'd say, a good 30 degrees in roll, and the star is not in sight. Over.
- Michael Collins (CMP)
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I think something's wrong with those attitudes.
Expand selection down Contract selection up - Charlie Duke (CAPCOM)
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Roger. Looks like to us we need a PROCEED, Mike, to get the sextant pointed at the star. Over.
- Charlie Duke (CAPCOM)
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11, Houston. Those shaft and trunnion angles were exactly what we were computing on the ground. Over.
- Michael Collins (CMP)
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Okay. I have this star loud and clear now, Charlie, so I might as well do a bunch of marks on this one to get a good horizon count.
- Michael Collins (CMP)
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It still looks like I'm far from the substellar point. However, I'm off quite a hit in roll.
- Charlie Duke (CAPCOM)
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Roger. We'd like you to mark right where it is now, Mike, and we'd like two sets of marks on this. Over.
- Michael Collins (CMP)
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Okay. Fine. But the reticle is not parallel to the horizon. I'd have to move off quite a hit in order to get it parallel to that.
Spoken on July 16, 1969, 9:08 p.m. UTC (55 years, 5 months ago). Link to this transcript range is: Tweet