Watchers
- 001101
- adammcmaster
- beckyrotherChicago
- camallen
- chrislintott
- CKrawczyk
- crowston
- DarrenMcRoy
- davidmillAdler Planetarium
- dwright04Minneapolis, MN
- ErikOstlund
- eturnatorMIT
- houzanme1
- hughdickinson
- igraviousIreland
- jhcloos
- jimvanderveenUC Davis, College of Engineering
- kellinora
- kieftrav
- leonardrBookshop.org
- mrniaboc
- neusch76
- robinschaafSuzoHapp
- srallenChicago, IL
- stoneyvSan Francisco Bay area
- studesco
- subsublibraryNew York Public Library / NYPL Labs
- trouilleThe Adler Planetarium
- ttfnrobOxford University
- vmaidel
- VVHUniversity of Maryland
- wgrangerZooniverse
- whyteAdler Planetarium
- wlla
- zooniverseci
- zooniversehudson