Sebastian Pether (after) ( 1790 - 1844 ) was a British painter. Sebastian Pether (after) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 193.16 USD for Figures by a moonlit castle with a loch and village beyond in 2004 to 922.46 USD for A moonlit river estuary in 2007 , based on the size and medium of the artwork.