Tag: Telescope Mirror

Figure 6. The straw that broke the camel’s back. This is a two-frame mosaic of the Veil nebula in Cygnus including narrowband H-alpha and OIII data. This image required over 30-hours of total imaging time.

John Dobson Dobsonian Telescope

It’s hard to deny the impact that John Dobson had on the amateur astronomy hobby. His introduction of the Dobsonian telescope to the world in the late 60’s in combination with his grassroot outreach efforts through the creation of the Sidewalk Astronomers forever changed the landscape of our hobby. Below […]