A photo of the earth taken from Apollo 8 after TLI. The small dot on the right is the S-IVB third stage.
Some useless info for you: That little dot contributed towards Frank’s well-documented space sickness.
After waving goodbye to the S-IVB, Frank had been due his first sleep period. But he noticed that the booster wasn’t moving away from the spacecraft as it should have been, so a couple of slightly
panicky concerned hours were spent by the Commander realigning the craft away and monitoring the booster.
After this was done (which is when the photo was taken), they were behind with the flight plan, so Frank had to stay awake for a while longer to catch up. When he finally managed to get some shut-eye, he requested to take a Seconal because he was overtired (by this time he had had no sleep in nearly 48 hours) and knew from experience that the first night in space was always a doozy.
Unfortunately for him a) he took a horse-sized dose of Seconal because he didn’t know until later that that they had lower doses on-board and b) it didn’t work, apart from the usual gastrointestinal side-effects.
Within a few hours, the effect of the tablet combined with the ever-increasing exhaustion, and the additional significant nausea that the whole crew experienced post-TLI took its toll…and Jim and Bill found a way to mock Frank for the next 45 years. ;-)