In 1960 renowned Australian physicist Ronald Bracewell speculated that alien societies may have already sent robot probes to our Solar System. He inspired sci-fi authors — but not serious research. Now, with NASA and The Pentagon taking UAPs seriously, it may be time to dust off Bracewell's ideas.
Most solar telescopes tend to be below five inches in aperture, as solar scopes above four to six inches or so have to resort to costly measures to eliminate the effects of bad seeing
The Sun appears deep red to human eyes from a Hydrogen-alpha filter in a solar telescope but they are processed to create a yellow image that is expected by most people