These are the best, I really like how the second one especially reminds me of the earth from space.
The clouds in these are extra good in fish mode.
Bob is using dedicated converted bodies for these, no filter in, on, behind the lens, just the internal filter (830nm, 715nm) installed on the camera sensor.
RG is a Schott filter glass prefix, "RG-715" meaning Schott RG715, for anyone who is confused by the - 'dash'. Schott doesn't use dashes, Hoya uses dashes, but people like to add dashes to things for their own reasons.
