The area where the 1 and 4 are so clearly visible came from the first few outputs right after it went live midnight Bungie time - there was a lot of people on in that first 15 minutes but since then only a trickle. So yes eventually it will fill in but I think if we timed our bursts every hour or so like we have been doing we'll fill it in better like the 1 and 4 are now.