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142 Series 411 Sc u Jan 20, 1915 MC Mc7346 Pole Mean 7340 Mean Diff. Sc1 Sc2 A' A2 PC 5 5.3 5.300 5.3 5.3 5.5 +1.09 6 5.6 5.5500 5.8 5.7 5.85 +1.26 8 6.8 6.6011 6.7 6.7 6.9 +1.53 9 9.1 7.1000 7.1 7.3 7.3 7.3430 +1.53 10 4.3 7.3 4.4011 7.5 7.5 7.50 +1.52 11 4.6 7.9 7.9510 8.0 8.0 8.0 8.00 +1.55 12 4.7 8.3 8.3000 8.8 8.0 8.5 8.50 +1.36 13 5.0 5.00 5.0 8.6 8.6501 8.7 8.9 8.8 8.85 +1.45 14 5.2 5.25 5.3 9.0 9.0000 9.0 9.2 9.1 9.15 +1.50 15 5.6 9.3 9.3000 9.3 9.5 9.5 9.50 +1.58 16 6.0 9.7 9.7000 9.7 9.8 9.8 9.80 +1.60 17 6.1 9.8 9.8000 9.8 9.9 9.90 +1.73 18 6.5 ? ? 19 6.9 20 7.2 23 7.8 25 8.2 26 8.7 27 9.2 28 9.7 This plate "will require correction for time"- correction to be applied to magnitudes after reduction in usual way. Correction will account to only 0.03 magnitudes and in employing mean of 2 pile plates, may be neglected. John G. Wolbach Library, Harvard-Smithsonian Center for Astrophysics * Provided by the NASA Astrophysics Data System