We thank and appreciate the loyal supporters of the Robert Ferguson Observatory!
| Comet Donors $1 – $100 | – Joel Brown – Bryan Dillon – Rachel Freed – Brent and Catrina Howatt – Stephen and Pat Kirkish – Kurt Kruger – Joe La Sala – John Li – August Moretti – Christopher Shadix – Joe Tenn – Anne Wurr |
| Star Donors $101 – $500 | – Jim Bogue – Perry Freeman – Sanika Iyers (Planet Talk) – Robert Lundstrom – Eric Norrbom – James Ouimette – Ann Peters – Rotary Club of Glen Ellen – Santa Rosa Host Lion’s Club |
| Planet Donors $501 – $1,000 | – Allen Barrett – Codding Foundation – Heck Foundation – Lipman Family Foundation – Sue Remick |
| Sun Donors $1,001 – $5,000 | – Amaturo Foundation – June Ferguson – Colleen Ferguson – Heidi Gerster Kikawada – George Loyer – Mark Mills-Thysen – Eric McHenry – Laura Peticolas |
| Solar System Donors $5,001 – $10,000 | – Dave Kensiski – Purdom Family Foundation |
| Galaxy Donors $10,001+ |