Dorsa Smirnov, Posidonius and Le Monnier




Date: 12 February 2008
Location: My back garden in suburban London
Exposure: 100 frames of 0.2sec
Telescope: Celestron C11 at F10 on Skywatcher EQ6 mount.
Camera: Philips SPC900 webcam at prime focus.
Processing: 100 frames of 0.2sec stacked in Registax with mild wavelet processing
Comments: Dorsa Smirnov is the wrinkly ridge. Posidonius the large circular formation at the top and Le Monnier is the one with the very flat floor.