Io/16CygB, 93/03/20, long. 253, 273 deg. (averaged). Scaled to geometric albedo (incl. oppn. effect) using Morrison and Morrison (1977) V magnitudes J. Spencer, W. Calvin, Lowell Observatory 72" telescope, OSU CCD spectrograph. Wavel. Geometric (A) Albedo 3230.0 0.0492 3235.6 0.1415 3241.1 0.1288 3246.7 0.1236 3252.3 0.1241 3257.8 0.0883 3263.4 0.1239 3269.0 0.1237 3274.5 0.1505 3280.1 0.1240 3285.6 0.0786 3291.2 0.0861 3296.8 0.0673 3302.3 0.1029 3307.9 0.1175 3313.5 0.1169 3319.0 0.0821 3324.6 0.0717 3330.1 0.0750 3335.7 0.0721 3341.3 0.0571 3346.8 0.0655 3352.4 0.0914 3358.0 0.0920 3363.5 0.0868 3369.1 0.1004 3374.7 0.1239 3380.2 0.0811 3385.8 0.0948 3391.3 0.0932 3396.9 0.0942 3402.5 0.0903 3408.0 0.0671 3413.6 0.0710 3419.2 0.0897 3424.7 0.0819 3430.3 0.0993 3435.9 0.1066 3441.4 0.1022 3447.0 0.0948 3452.5 0.1128 3458.1 0.1128 3463.7 0.1111 3469.2 0.1113 3474.8 0.0921 3480.4 0.1049 3485.9 0.1127 3491.5 0.0972 3497.1 0.1033 3502.6 0.1022 3508.2 0.1035 3513.7 0.1051 3519.3 0.0909 3524.9 0.0787 3530.4 0.0946 3536.0 0.0870 3541.6 0.0915 3547.1 0.1113 3552.7 0.0979 3558.3 0.0984 3563.8 0.1027 3569.4 0.1084 3574.9 0.1020 3580.5 0.1274 3586.1 0.1337 3591.6 0.1187 3597.2 0.0979 3602.8 0.1027 3608.3 0.1120 3613.9 0.1158 3619.4 0.1063 3625.0 0.1067 3630.6 0.0967 3636.1 0.0968 3641.7 0.1075 3647.3 0.0954 3652.8 0.0990 3658.4 0.1184 3664.0 0.1140 3669.5 0.1299 3675.1 0.1216 3680.6 0.1167 3686.2 0.1148 3691.8 0.1134 3697.3 0.1106 3702.9 0.1192 3708.5 0.1254 3714.0 0.1346 3719.6 0.1272 3725.2 0.1237 3730.7 0.1310 3736.3 0.1249 3741.8 0.1296 3747.4 0.1255 3753.0 0.1326 3758.5 0.1286 3764.1 0.1324 3769.7 0.1362 3775.2 0.1274 3780.8 0.1301 3786.4 0.1316 3791.9 0.1330 3797.5 0.1472 3803.0 0.1476 3808.6 0.1407 3814.2 0.1468 3819.7 0.1447 3825.3 0.1366 3830.9 0.1464 3836.4 0.1577 3842.0 0.1584 3847.6 0.1516 3853.1 0.1560 3858.7 0.1649 3864.2 0.1587 3869.8 0.1669 3875.4 0.1656 3880.9 0.1633 3886.5 0.1708 3892.1 0.1708 3897.6 0.1739 3903.2 0.1800 3908.7 0.1838 3914.3 0.1903 3919.9 0.1755 3925.4 0.1648 3931.0 0.1829 3936.6 0.1951 3942.1 0.1989 3947.7 0.2043 3953.3 0.2033 3958.8 0.1836 3964.4 0.1868 3969.9 0.2048 3975.5 0.2058 3981.1 0.2085 3986.6 0.2119 3992.2 0.2132 3997.8 0.2173 4003.3 0.2198 4008.9 0.2251 4014.5 0.2269 4020.0 0.2272 4025.6 0.2305 4031.1 0.2368 4036.7 0.2367 4042.3 0.2397 4047.8 0.2432 4053.4 0.2462 4059.0 0.2504 4064.5 0.2522 4070.1 0.2533 4075.7 0.2561 4081.2 0.2630 4086.8 0.2662 4092.3 0.2590 4097.9 0.2643 4103.5 0.2765 4109.0 0.2807 4114.6 0.2810 4120.2 0.2818 4125.7 0.2855 4131.3 0.2920 4136.9 0.2926 4142.4 0.2951 4148.0 0.2968 4153.5 0.3034 4159.1 0.3107 4164.7 0.3086 4170.2 0.3108 4175.8 0.3143 4181.4 0.3173 4186.9 0.3222 4192.5 0.3211 4198.0 0.3256 4203.6 0.3300 4209.2 0.3358 4214.7 0.3392 4220.3 0.3350 4225.9 0.3432 4231.4 0.3454 4237.0 0.3481 4242.6 0.3529 4248.1 0.3523 4253.7 0.3549 4259.2 0.3615 4264.8 0.3595 4270.4 0.3614 4275.9 0.3712 4281.5 0.3740 4287.1 0.3802 4292.6 0.3818 4298.2 0.3696 4303.8 0.3635 4309.3 0.3866 4314.9 0.3939 4320.4 0.3855 4326.0 0.3979 4331.6 0.3951 4337.1 0.3891 4342.7 0.4012 4348.3 0.4006 4353.8 0.4038 4359.4 0.4113 4365.0 0.4119 4370.5 0.4169 4376.1 0.4171 4381.6 0.4135 4387.2 0.4216 4392.8 0.4289 4398.3 0.4257 4403.9 0.4266 4409.5 0.4337 4415.0 0.4359 4420.6 0.4389 4426.2 0.4406 4431.7 0.4420 4437.3 0.4467 4442.8 0.4541 4448.4 0.4573 4454.0 0.4534 4459.5 0.4561 4465.1 0.4603 4470.7 0.4656 4476.2 0.4649 4481.8 0.4664 4487.3 0.4703 4492.9 0.4695 4498.5 0.4745 4504.0 0.4804 4509.6 0.4810 4515.2 0.4864 4520.7 0.4899 4526.3 0.4845 4531.9 0.4882 4537.4 0.4966 4543.0 0.4962 4548.5 0.4956 4554.1 0.5006 4559.7 0.5045 4565.2 0.5079 4570.8 0.5136 4576.4 0.5150 4581.9 0.5165 4587.5 0.5226 4593.1 0.5232 4598.6 0.5237 4604.2 0.5281 4609.7 0.5284 4615.3 0.5288 4620.9 0.5337 4626.4 0.5363 4632.0 0.5400 4637.6 0.5449 4643.1 0.5452 4648.7 0.5468 4654.3 0.5551 4659.8 0.5581 4665.4 0.5552 4670.9 0.5610 4676.5 0.5624 4682.1 0.5644 4687.6 0.5689 4693.2 0.5737 4698.8 0.5727 4704.3 0.5723 4709.9 0.5734 4715.5 0.5801 4721.0 0.5866 4726.6 0.5833 4732.1 0.5843 4737.7 0.5892 4743.3 0.5952 4748.8 0.5966 4754.4 0.5989 4760.0 0.6006 4765.5 0.5998 4771.1 0.6044 4776.6 0.6096 4782.2 0.6083 4787.8 0.6073 4793.3 0.6144 4798.9 0.6168 4804.5 0.6145 4810.0 0.6188 4815.6 0.6220 4821.2 0.6219 4826.7 0.6269 4832.3 0.6291 4837.8 0.6310 4843.4 0.6364 4849.0 0.6456 4854.5 0.6445 4860.1 0.6278 4865.7 0.6328 4871.2 0.6404 4876.8 0.6456 4882.4 0.6510 4887.9 0.6431 4893.5 0.6519 4899.0 0.6576 4904.6 0.6549 4910.2 0.6589 4915.7 0.6587 4921.3 0.6535 4926.9 0.6659 4932.4 0.6681 4938.0 0.6615 4943.6 0.6721 4949.1 0.6748 4954.7 0.6670 4960.2 0.6733 4965.8 0.6769 4971.4 0.6814 4976.9 0.6812 4982.5 0.6761 4988.1 0.6810 4993.6 0.6884 4999.2 0.6883 5004.8 0.6886 5010.3 0.6902 5015.9 0.6901 5021.4 0.6901 5027.0 0.6948 5032.6 0.6989 5038.1 0.6923 5043.7 0.6935 5049.3 0.6966 5054.8 0.6992 5060.4 0.7040 5065.9 0.7020 5071.5 0.7061 5077.1 0.7046 5082.6 0.7015 5088.2 0.7074 5093.8 0.7091 5099.3 0.7052 5104.9 0.7061 5110.5 0.7088 5116.0 0.7151 5121.6 0.7150 5127.1 0.7108 5132.7 0.7147 5138.3 0.7148 5143.8 0.7127 5149.4 0.7173 5155.0 0.7232 5160.5 0.7314 5166.1 0.7194 5171.7 0.7064 5177.2 0.7246 5182.8 0.7158 5188.3 0.7150 5193.9 0.7231 5199.5 0.7228 5205.0 0.7187 5210.6 0.7180 5216.2 0.7242 5221.7 0.7247 5227.3 0.7199 5232.9 0.7201 5238.4 0.7247 5244.0 0.7253 5249.5 0.7200 5255.1 0.7279 5260.7 0.7314 5266.2 0.7183 5271.8 0.7168 5277.4 0.7262 5282.9 0.7236 5288.5 0.7264 5294.1 0.7263 5299.6 0.7194 5305.2 0.7228 5310.7 0.7269 5316.3 0.7290 5321.9 0.7278 5327.4 0.7178 5333.0 0.7240 5338.6 0.7263 5344.1 0.7218 5349.7 0.7236 5355.2 0.7272 5360.8 0.7305 5366.4 0.7225 5371.9 0.7204 5377.5 0.7267 5383.1 0.7264 5388.6 0.7281 5394.2 0.7273 5399.8 0.7271 5405.3 0.7247 5410.9 0.7247 5416.4 0.7267 5422.0 0.7273 5427.6 0.7265 5433.1 0.7216 5438.7 0.7284 5444.3 0.7283 5449.8 0.7230 5455.4 0.7259 5461.0 0.7241 5466.5 0.7242 5472.1 0.7257 5477.6 0.7238 5483.2 0.7291 5488.8 0.7292 5494.3 0.7294 5499.9 0.7283 5505.5 0.7252 5511.0 0.7253 5516.6 0.7290 5522.2 0.7308 5527.7 0.7247 5533.3 0.7251 5538.8 0.7282 5544.4 0.7285 5550.0 0.7271 5555.5 0.7279 5561.1 0.7271 5566.7 0.7281 5572.2 0.7271 5577.8 0.7291 5583.4 0.7303 5588.9 0.7257 5594.5 0.7289 5600.0 0.7279 5605.6 0.7301 5611.2 0.7316 5616.7 0.7253 5622.3 0.7300 5627.9 0.7314 5633.4 0.7321 5639.0 0.7311 5644.5 0.7316 5650.1 0.7357 5655.7 0.7326 5661.2 0.7276 5666.8 0.7324 5672.4 0.7338 5677.9 0.7333 5683.5 0.7321 5689.1 0.7308 5694.6 0.7361 5704.6 0.7407 5710.1 0.7349 5715.6 0.7337 5721.2 0.7356 5726.7 0.7350 5732.3 0.7372 5737.8 0.7369 5743.3 0.7353 5748.9 0.7370 5754.4 0.7382 5759.9 0.7408 5765.5 0.7390 5771.0 0.7398 5776.5 0.7433 5782.1 0.7399 5787.6 0.7408 5793.1 0.7426 5798.7 0.7404 5804.2 0.7413 5809.8 0.7427 5815.3 0.7417 5820.8 0.7437 5826.4 0.7446 5831.9 0.7469 5837.5 0.7452 5843.0 0.7439 5848.5 0.7466 5854.1 0.7461 5859.6 0.7494 5865.1 0.7600 5870.7 0.7584 5876.2 0.7546 5881.8 0.7597 5887.3 0.7584 5892.8 0.7525 5898.4 0.7488 5903.9 0.7525 5909.5 0.7529 5915.0 0.7510 5920.6 0.7556 5926.1 0.7553 5931.6 0.7545 5937.2 0.7567 5942.7 0.7598 5948.3 0.7595 5953.8 0.7609 5959.4 0.7617 5964.9 0.7612 5970.4 0.7606 5976.0 0.7659 5981.5 0.7654 5987.1 0.7633 5992.6 0.7659 5998.2 0.7677 6003.7 0.7630 6009.3 0.7652 6014.8 0.7669 6020.3 0.7678 6025.9 0.7686 6031.4 0.7706 6037.0 0.7708 6042.5 0.7709 6048.1 0.7721 6053.6 0.7741 6059.2 0.7757 6064.7 0.7767 6070.3 0.7793 6075.8 0.7800 6081.4 0.7800 6086.9 0.7784 6092.5 0.7802 6098.0 0.7847 6103.6 0.7802 6109.1 0.7834 6114.7 0.7872 6120.2 0.7867 6125.8 0.7852 6131.3 0.7912 6136.9 0.7944 6142.4 0.7927 6148.0 0.7886 6153.5 0.7911 6159.1 0.7923 6164.6 0.7941 6170.2 0.7964 6175.7 0.7945 6181.3 0.7952 6186.8 0.7980 6192.4 0.7980 6197.9 0.7977 6203.5 0.8010 6209.0 0.8032 6214.6 0.7988 6220.1 0.8014 6225.7 0.8042 6231.2 0.8036 6236.8 0.8039 6242.4 0.8011 6247.9 0.8024 6253.5 0.8058 6259.0 0.8050 6264.6 0.8038 6270.1 0.8135 6275.7 0.8138 6281.2 0.8122 6286.8 0.8131 6292.4 0.8174 6297.9 0.8170 6303.5 0.8146 6309.0 0.8188 6314.6 0.8182 6320.1 0.8173 6325.7 0.8180 6331.3 0.8238 6336.8 0.8249 6342.4 0.8217 6347.9 0.8226 6353.5 0.8237 6359.0 0.8246 6364.6 0.8233 6370.2 0.8255 6375.7 0.8287 6381.3 0.8258 6386.8 0.8306 6392.4 0.8279 6398.0 0.8290 6403.5 0.8297 6409.1 0.8339 6414.6 0.8330 6420.2 0.8310 6425.8 0.8366 6431.3 0.8355 6436.9 0.8341 6442.5 0.8347 6448.0 0.8356 6453.6 0.8363 6459.1 0.8367 6464.7 0.8380 6470.3 0.8435 6475.8 0.8420 6481.4 0.8329 6487.0 0.8410 6492.5 0.8417 6498.1 0.8400 6503.7 0.8429 6509.2 0.8429 6514.8 0.8447 6520.3 0.8432 6525.9 0.8484 6531.5 0.8516 6537.0 0.8629 6542.6 0.8539 6548.2 0.8260 6553.7 0.8416 6559.3 0.8494 6564.9 0.8474 6570.4 0.8536 6576.0 0.8535 6581.6 0.8496 6587.1 0.8518 6592.7 0.8512 6598.3 0.8525 6603.8 0.8541 6609.4 0.8577 6615.0 0.8555 6620.6 0.8539 6626.1 0.8553 6631.7 0.8575 6637.3 0.8600 6642.8 0.8580 6648.4 0.8572 6654.0 0.8578 6659.5 0.8584 6665.1 0.8543 6670.7 0.8609 6676.3 0.8636 6681.8 0.8646 6687.4 0.8638 6693.0 0.8661 6698.5 0.8639 6704.1 0.8633 6709.7 0.8642 6715.3 0.8656 6720.8 0.8669 6726.4 0.8675 6732.0 0.8675 6737.5 0.8654 6743.1 0.8653 6748.7 0.8674 6754.3 0.8654 6759.8 0.8677 6765.4 0.8670 6771.0 0.8693 6776.6 0.8706 6782.1 0.8703 6787.7 0.8696 6793.3 0.8704 6798.9 0.8716 6804.4 0.8712 6810.0 0.8705 6815.6 0.8740 6821.2 0.8738 6826.8 0.8711 6832.3 0.8718 6837.9 0.8687 6843.5 0.8750 6849.1 0.8721 6854.6 0.8578 6860.2 0.8805 6865.8 0.8897 6871.4 0.8712 6877.0 0.8716 6882.5 0.8773 6888.1 0.8777 6893.7 0.8807 6899.3 0.8774 6904.8 0.8762 6910.4 0.8736 6916.0 0.8722 6921.6 0.8738 6927.2 0.8770 6932.8 0.8790 6938.3 0.8746 6943.9 0.8735 6949.5 0.8764 6955.1 0.8829 6960.7 0.8835 6966.2 0.8740 6971.8 0.8761 6977.4 0.8784 6983.0 0.8835 6988.6 0.8806 6994.2 0.8769 6999.7 0.8792 7005.3 0.8794 7010.9 0.8803 7016.5 0.8800 7022.1 0.8776 7027.7 0.8767 7033.2 0.8833 7038.8 0.8825 7044.4 0.8831 7050.0 0.8813 7055.6 0.8772 7061.2 0.8861 7066.8 0.8877 7072.3 0.8853 7077.9 0.8833 7083.5 0.8764 7089.1 0.8789 7094.7 0.8793 7100.3 0.8811 7105.9 0.8829 7111.5 0.8780 7117.0 0.8755 7122.6 0.8789 7128.2 0.8830 7133.8 0.8780 7139.4 0.8797 7145.0 0.8828 7150.6 0.8761 7156.2 0.8762 7161.7 0.8829 7167.3 0.8782 7172.9 0.8732 7178.5 0.8830 7184.1 0.8786 7189.7 0.8709 7195.3 0.8761 7200.9 0.8854 7206.5 0.8848 7212.1 0.8841 7217.7 0.8796 7223.2 0.8818 7228.8 0.8850 7234.4 0.8829 7240.0 0.8813 7245.6 0.8786 7251.2 0.8802 7256.8 0.8849 7262.4 0.8791 7268.0 0.8880 7273.6 0.8821 7279.2 0.8736 7284.8 0.8819 7290.4 0.8816 7296.0 0.8835 7301.6 0.8819 7307.2 0.8845 7312.7 0.8842 7318.3 0.8829 7323.9 0.8881 7329.5 0.8870 7335.1 0.8842 7340.7 0.8895 7346.3 0.8858 7351.9 0.8834 7357.5 0.8825 7363.1 0.8875 7368.7 0.8918 7374.3 0.8802 7379.9 0.8799 7385.5 0.8841 7391.1 0.8866 7396.7 0.8837 7402.3 0.8819 7407.9 0.8798 7413.5 0.8735 7419.1 0.8805 7424.7 0.8863 7430.3 0.8803 7435.9 0.8801 7441.5 0.8812 7447.1 0.8806 7452.7 0.8846 7458.3 0.8882 7463.9 0.8825 7469.5 0.8847 7475.1 0.8853 7480.7 0.8770 7486.3 0.8803 7491.9 0.8902 7497.5 0.8804 7503.1 0.8782 7508.7 0.8779 7514.3 0.8782 7519.9 0.8822 7525.5 0.8853 7531.1 0.8849 7536.7 0.8811 7542.3 0.8754 7547.9 0.8841 7553.6 0.8754 7559.2 0.8781 7564.8 0.8741 7570.4 0.8757 7576.0 0.8965 7581.6 0.9058 7587.2 0.8986 7592.8 0.8692 7598.4 0.8620 7604.0 0.8869 7609.6 0.8761 7615.2 0.8680 7620.8 0.8845 7626.4 0.8771 7632.0 0.8880 7637.6 0.8851 7643.3 0.8870 7648.9 0.8726 7654.5 0.8701 7660.1 0.8817 7665.7 0.8753 7671.3 0.8776 7676.9 0.8833 7682.5 0.8794 7688.1 0.8788 7693.7 0.8795 7699.3 0.8705 7705.0 0.8805 7710.6 0.8833 7716.2 0.8750 7721.8 0.8828 7727.4 0.8872 7733.0 0.8855 7738.6 0.8798 7744.2 0.8792 7749.8 0.8709 7755.5 0.8754 7761.1 0.8811 7766.7 0.8736 7772.3 0.8622 7777.9 0.8661 7783.5 0.8728 7789.1 0.8862 7794.7 0.8932 7800.4 0.8855