The astronomical discoveries of her brother attracted the attention of the scientific world, and led to George III., his Queen, and the Princesses taking an interest in the astronomer. Royal patronage, and still more, his own strong desire, determined William Herschel to devote himself entirely to his astronomical studies. The brother and sister played and sung professionally for the last time on Whit-Sunday, 1782, at St. Margaret's Chapel, Bath, the anthem for the day being a composition of William Herschel.
The honours which came to the brother were by no means remunerative. He gave up his pupils and musical career at Bath, which had enabled him to spend a large amount of money on scientific instrument and experiments. His salary, when he was appointed Royal Astronomer, was but £200 a year! Well might Sir William Watson say, "Never bought monarch honour so cheap."
This stipend would not have paid the rent of the new Observatory and the expenses of frequent journeys to and fro to the king and queen at Windsor, but for the astronomer's success in making telescopes for sale. He was compelled to pursue this mechanical branch, or he could not have continued his observations of the heavens.
His sister, finding she must qualify herself as assistant astronomer, learned to use the telescope, and, as she called it, "sweep the heavens," in which she soon acquired great skill. In her brother's absences from home, she, to use her own
