Watchers
- Angola
- Arthur777-Robot
- cauenapier
- Chenchunxuan
- E3V3ALTD
- Galacticcccc
- hyagihashi
- ina111InterStellarTechnologies Inc
- ivan95603
- jhcloos
- k-asakuma
- katogoma
- KazukiSakaki
- komenokami
- kzmakino
- madnoda
- mizuki-tohru
- monaka@monami-ya @pizzafactory @pizzafactory-contorno and some companies.
- noritsunaSIProp.org
- orb1t
- polyesterputty
- rkanaiInterstellar Technologies Inc.
- roguextechRogue Exploration Technologies
- shotayam
- sksat@arkedge
- sumio-moriokaInterstellar Technologies Inc.
- sus304import Avio
- takuma104Tokyo
- xingfeTCentral China Normal University
- zacky1972University of Kitakyushu
- zoutei