Related Clues:

• Henry Hudson's ship
• Crescent
• It's seen in the middle of a quarter
• The medical officer is on this, but not all round it
• There's an M.O. in or on one satellite over two
• There's a semi-doctor on the shape of it
• Perhaps on after the medical officer that's not yet full
• Either the MO or what's on the end in good shape
• Semicircular object of prince and senior soldier in the nude?
• Earth's satellite at first (or last) quarter
• Semi-visible natural satellite
• Partly lower trousers? What spectacles!
• This is possibly on part of fingernail
• Henry Furlong travels around the earth with satellite that's not fully illuminated
• Semicircular object