Thou fair-hair'd angel of the evening, Now, while the sun rests on the mountains, light Thy bright torch of love; thy radiant crown Put on, and smile upon our evening bed! Smile on our loves; and, while thou drawest the Blue curtains of the sky, scatter thy silver dew On every flower that shuts its sweet eyes In timely sleep. Let thy west wind sleep on The lake; speak silence with thy glimmering eyes, And wash the dusk with silver. ...

... 2.3 Data acquisition Spectra generated by the Multibeam correlator contain the usual structure seen in spectra from other H i instruments: a bandpass spectrum which is the sum of the sky , ground and receiver temperatures multiplied by the product of the filters in the receiver chain; superimposed on this is a noise ... Note also that sources extended much beyond ,40 arcmin can be imaged poorly in HIPASS images because of the bandpass sidelobe effect described in Section 3.3. ...