Big White Dot

Subject: AAZ000alll

by rapa93

I have no idea what that big white dot is #strange #ufo

Posted June 10, 2015 4:18 AM
by AstroTinker

Common, w-or-b, spot on lens or compensating flat field image. Moves in regular pattern as scope moves slightly between shots. I label #ffd

Posted June 10, 2015 5:36 AM
by Sunpriat

the same trajectory at AAZ000ak0j

Posted December 14, 2015 5:57 PM