1812, Sept. 15, 16, 17, 18, 20, 56,846 Mean of 10 56,846 21, Oct. 2, 3, 4, 5 Oct. 8, 10, 13, 14, 16, 22, 23,56,568 Mean of 20 56,707 24, Nov. 7, 8 Nov. 15, 19, 20, 21, 22, 23, 24, Dec. 8, 9, 10 56,980 Mean of 30 56,798 57,405 Mean of 40 56,925 57,178 Mean of 50 56,975 July 27, 28, 29, 30, Aug. 3,456,665 Mean of 60 56,940 5, 7, 9, 10 Aug. 11, 12, 13, 15, 17, 19, 20, 356,887 Mean of 70 56,947 21, 22, 23 Result very exact. a Lyra. 1812, July 6, 7, 9, 10, 14, 17, n 12022, 23, 269, 10, 14, 17,0,123 Mean of 10 0,123 July 28, 30, 31, Aug. 1, 6, 12, 13, 15, 16, 17922 Aug. 18, 19, 20, 21, Sept. 15, 16, 18, 19, Oct. 1, 2 0,514 Mean of 20 0,318 Oct. 3, 4, 5, 8, 9, 10, 12, 15, 0,299 Mean of 40 0,325 Oct. 21, 24, 26, 28, 29, 31, 0.08 Mean of 50 0,457 Nov. 13, 15, 19, 20, 21, 22, 23, 0,857 Mean of 60 0,522 Dec. 2, 6, 8 Dec. 9, 10, 12, 13. 1813, Jan. 0,514 M 2, 7, 9, 15, 21, June 22 June 23, 24, 25, 26, 27, 28, July 11, 12, 13, 16, 17, 18, 19, 0,187 Mean of 90 0,482 Castor. 1812, Aug. 13, 19, 21. 1813, Jan. 16, 24, 28, Mar. 5, 7, 46,916 Mean of 10 46,916 10, 16 Mar. 18, 23, 31, Apr. 3, 8, 11, 46,672 Mean of 20 46,794 13, 15, 28, June 1 Aug. 11, 14, 16, 13, 24, 28, Sept. 2, 6, 7, 10 46,596 Mean of 30 46,728 Pollux. 1812, June 13, 15, 19, Aug. 13.56,536 Mean of 10 56,536 16, 17, 19, Oct. 1, 3, 4 Oct. 11. 1813, Jan. 16, 22, 24, 56,332 Mean of 20 56,434 Feb. 28, Mar. 5,10,13,18, Mar. 31, Apr. 8,11,13,15, May 28, June 1, 25, July 28, 30 Aug. 3, 5, 11, 16, 22, 23, 24, 25, 28, Sept. 1 56,313 Mean of 30 56,394 56,380 Mean of 40 56,341 Exact to a quarter of a second, ß Tauri. 1812, July 20, 22, 30, Aug. 13, 19, 21, Nov. 19, 28. 1813, 43,650 Mean of 10 43,650 Jan. 2, 8 181343,650 Jan. 10, 11, 13, 24, 25, 27, 28, 31, Mar. 1, 3 43,438 Mean of 20 43,544 Mar. 5, 6, 7, 12, 17, 18, 19, 81,43,410 Mean of 30 43,499 Apr. 9, 10 Apr. 11, 12, 14, July 15, 16, 17, 25, 28, 29, 30 43,903 Mean of 40 43,600 July 31, Aug. 6, 8, 9, 11, 15, 43,820 Mean of 50 43,663 18, 20, 22, 23 Exact to less than a quarter of a second. a Cor. Bor. 1812, June 11, 12, 13, 14, 15,55,441 Mean of 10 55,441 19, 21, 22, 23, 28 June go, July 4, 6, 8, 9, 15, 18, 19, 20, 21 55,295 Mean of 20 55,368 July 22, 26, 28, Aug. 13, 15.55,316 Mean of 30 55,351 17, 18, 19, Sept. 15, 16 Sept. 19, 20, 21, Oct. 3, 4, 5, } 56,041 Mean of 40 55.523 55,791 Mean of 50 55,577 54,833 Mean of 60 55,453 55,008 Mean of 70 55,389 July 16, 17, 18, 19, 20, 23, 24, 55,487 Mean of 80 55,401 26, 27, 28 Exact to less than a quarter of a second. et to less Arietis. a 1812, June 18, 19, 22, 23, 26,1 28, July 6, 7, 9, 10 37.380 Mean of 10 37,380 July 14, 17, 20, 21, 22, Aug. 17,36,263 Mean of 20 36,822 Oct. 24, 25, 26, 28 Oct. 29, 31, Nov. 3, 5, 6, 7, 8, 9, 15, 19 Nov. 21, 22, 24, 28, 29, Dec. 6, 7, 8, 13. 1813, Jan. 8 35,811 Mean of 80 36,485 36,532 Mean of 40 36,497 Jan. 9, 16, May 22, June 19:336,474 Mean of 50 36,492 20, July 4, 5, 6, 11, 16 I mentioned this star as doubtful in my former Catalogue. I believe the discordances were quite accidental, and that the mean result is within a quarter of a second of the truth. June 7, 8, 10, 11, 12, 16, 21,118,585 Mean of 70 19,137 22, 25, 26 } June 27, July 5, 6, 7, 9, 12, 16, 18,653 Mean of 80 19,077 18, 19, 23 Exact to a quarter of a second, or less. Aldebaran. 1812, June 23, 28, July 5, 7, 8, 9, 10, 25, 26, 28 35,614 Mean of 10 35,614 Aug. 14, 16, 17, 19, 21, Sept. 5,35,135 Mean of 20 35,374 Dec. 25, 28. 1813, Jan. 8, 10 B Leonis. 1812, June 13, 14, 15, 22, 29, 57.544 Mean of 10 57,544 July 6, 8, 9, 11, 12 July 15, 23, Oct. 2, 3, 4, 6, 757,077 Mean of 20 57,310 14, 15, 22 This star has not been often observed, owing to its proximity in right ascension toy Urs. Maj.; but the result is probably exact to within o",g, as it very seldom happens that the mean of twenty observations differs a quarter of a second from the truth a Herculis. " 1812, July 11, 14, 30, Aug. 313,835 Mean of 10 1,3835 7, 15, 17, 18, 20, Sept. 19 } Sept. 20, 21, Oct. 3, 4, 8, 9, 29, 14,170 Mean of 20 14,002 31, Nov. 15, 21 Nov. 22, 23, Dec. 12. 1813, Jan. 9, 11, 15, July 11, 25,13,803 Mean of 30 13,936 27, 28 July 29, 30, Aug. 2, 4, 7, 9, 10, 12, 13, 15 14,223 Mean of 40 14,008 Aug. 17, 18, 19, 23, 24, 30, 3114,169 Mean of 50 14,040 Sept. 5, 6, 13 Result very exact. 1812, Oct. 1, 2, 3, 4, 5, 8, 10, 51,330 Mean of 10 51,330 11, 12, 16 Oct. 17, 21, 28, Nov. 3, 7, 952,060 Mean of 20 51 19, Dec. 5, 7, 12 This star is reserved for future examination. 51,695 |