Spacelog Apollo 11

And that time we got an onboard indication, Houston. Thank you a lot.

Roger. We confirm that it is OFF.

Yes. We do likewise.

Houston, Apollo 11. We're starting our maneuver to observe the S-IVB slingshot.

Roger, 11. We've got an updated attitude for you on the slingshot observation.

Okay. Say the angles please.

Roger. Roll 002.5, pitch 289.3, yaw 357.5, and there's also an update—minor correction to your attitude for the P52. Over.

Roger. I have roll 002.5, pitch 289.3, and yaw 357.5. Over.

Roger. And for your P52 and optics calibration, it'll be roll 346.5, pitch 345.0, and yaw 007.8. Over.

Roger. 346.5, 345.0, and 007.8. Thank you.

Apollo 11, this is Houston. Over.

Roger. Go ahead, Houston. Apollo 11.

Roger. We're going to go ahead and enable the S-IVB for the slingshot maneuver. The LOX dump will start about 12 minutes from now. Over.

Okay, LOX dump about—I guess that'll make it about 01, huh?

Right. I'll try to give you a little closer update as we approach it.

Alright.

And, 11, for you information, the magnitude of midcourse correction number 1, if we burn, looks like about 17 feet per second. We're presently considering not burning it. This would make midcourse correction 2 tomorrow about 21.3. Over.

That sounds good to us.

Roger. You're looking good down here.

Well, we didn't have much time, Houston, to talk to you about our views out the window when we were preparing for LM ejection; but up to that time, we had the entire northern part of the lighted hemisphere visible including North America, North Atlantic, and Europe and Northern Africa. We could see that the weather was good all—just about everywhere. There was one cyclonic depression in Northern Canada, in the Athabaska—probably east of Athabaska area. Greenland was clear, and it appeared to be we were seeing just the icecap in Greenland. All North Atlantic was pretty good; and Europe and Northern Africa seemed to be clear. Most of the United States was clear. There was a low—looked like a front stretching from the center of the country up across north of the Great Lakes and into Newfoundland.

Roger. We copy.

I didn't know what I was looking at, but I sure did like it.

Okay. I guess the view must be pretty good from up there. We show you just roughly somewhere around 19,000 miles out now.

I didn't have much outside my window.

Houston, Apollo 11. We've completed our maneuver to, observe the slingshot attitude, but we don't see anything—no Earth and no S-IVB.

Roger. Stand by. In GET I have a LOX dump start time for you. It's supposed to start at 5 plus 03 plus 07, and stop at 5 plus 04 plus 55. Ullage burn starts at 5 plus 37 plus 47, stops at 5 plus 42 plus 27. Over.

11, Houston.

Go ahead, Houston.

Roger. We now recommend the following attitude: roll 307.0, pitch 354.0, yaw 019.5, and the LOX dump has already been enabled, so we can't hold it off any longer.

That's okay. Go ahead. We'll maneuver around to 307, 354, and 19 and a half. Thank you sir.

Roger.

11, Houston. It doesn't look to us like you'll be able to make it around to this observation attitude in 2 minutes. We recommend that you save the fuel. Over.

Okay, Houston. You got to us just a little late. Our maneuver's already begun, so it's going to cost us about the same amount of fuel to stop it, no matter where we stop it, and we may as well keep going.

Roger. Go ahead.

11, Houston. LOX dump initiated.

11, Houston. LOX dump has been terminated. Over.

Roger.

Roger. We still don't have …

Apollo 11, this is Houston. Over.

Go ahead.

Roger. If you'll give us ACCEPT and stay in P00, we'll set your trunnion bias to zero. And, I have a plan for balancing your oxygen CRYO's. Over.

You got it.

Roger.

Houston, Apollo 11. We've got the—what appears to be the S-IVB in sight—at—oh, I'd estimate a couple of miles away. It's at our number 5 window and the dump appears to be coming out of two radially opposite directions from the S-IVB.

Roger, 11. For the optics calibration I've got 346.5 for roll, 345.0 for pitch, and 007.8 for yaw. The pen-and-ink attitude corrections in your book for P23 are good. Over.

Okay. Thank you.

And we're going to hand over to Hawaii in about 5 or 6 seconds, here. We'll have a momentary COMM dropout.

Hello, Apollo 11. Houston. Be advised your friendly White Team has come on for its first shift, and if we can be of service, don't hesitate to call.

Thank you very much. And we're about to take our marks, Charlie, on this P23 optics CAL. I've got it in the sextant now, and I'm about to split the image and Mark.

Hello, Apollo 11. Houston. We have scrubbed the midcourse 1. Over.

Roger. Understand you've scrubbed midcourse 1.

Hello, Apollo 11. Houston. We see your middle gimbal angle getting pretty big. Over.

Well, it was, Charlie, but in going from one AUTO maneuver to another, we took over control and have gone around gimbal lock; and we're about to give control back to the DAP.

Hey Charlie.

Houston, Apollo 11.

Go ahead, 11. Over.

Hey, maybe you better call Lou and tell him we might be a little bit late for dinner.

Okay. Sure will. We'd like for you to turn on—the fan on in O₂ tank number 2, Buzz. And, 11, did you—on your optics calibrations, did you proceed or recall the program? Over.

We recalled the program.

Roger.

And O₂ fan number 2 is on.

Roger.

Houston, Apollo 11. I've got a CRYO pressure light and a MASTER ALARM. It's reset.

Roger. We expected that. That's why we had you turn the fan on. We were getting pretty close to the caution and warning limits. We were trying to prevent that.

Houston, Apollo 11.

Go ahead, 11. Over.

Roger. You're looking at our DELTA-R DELTA-V. It looks like DELTA-R is pretty large, there. We wanted to talk to you about it before we incorporate it.

Stand by, Mike. We don't have anything on our downlink here, I don't think, on the DSKY. Stand by.