- !*Flickr Award Group*! (GIVE 5 AWARDS)
- 99+
- AAPOD Submissions
- Amateur Astro-Photography
- APOD Submissions
- Astro Imaging
- astrometry
- BBC Sky at Night and Stargazing Live
- CHS: Capitol Hill Seattle
- Historic Seattle
- iOptron Sky Tracker & Sky Guider Imaging Flickr Group
- National Geographic | World Wide
- Samyang & Rokinon Astrophotography
- Seattle Astrophotography SIG
- Universe Today