Marco Longboek's e-mail on his China experience raises the following question. Under normal observing conditions at lower altitudes is there a different LM that you can see depending on whether you are standing up, reclining in a lawn chair or lying down on a cot. Robert G. To UNSUBSCRIBE from the 'meteorobs' email list, use the Web form at: http://www.tiacdot net/users/lewkaren/meteorobs/subscribe.html