This must be AB magnitudes, and so take 10.**(-.4*y)=f I suspect it is the same spectrum as in sn1984l_1984_09_19.html, but the wavelengths are a bit different. GC991 SEPTEMBER 19 NSMU=10 BLUE=1530 KM/SEC PTS= 895 3483.71 41.068 3486.29 41.592 3488.88 41.660 3491.46 41.203 3494.05 41.691 3496.65 41.505 3499.24 41.572 3501.84 41.544 3504.44 41.554 3507.04 41.566 3509.65 41.542 3512.27 41.524 3514.88 41.554 3517.50 41.542 3520.12 41.550 3522.74 41.531 3525.37 41.538 3528.00 41.536 3530.63 41.591 3533.27 41.570 3535.90 41.590 3538.54 41.613 3541.19 41.617 3543.83 41.648 3546.49 41.637 3549.14 41.553 3551.80 41.501 3554.46 41.459 3557.13 41.431 3559.79 41.375 3562.46 41.352 3565.12 41.335 3567.80 41.292 3570.49 41.246 3573.16 41.211 3575.85 41.171 3578.54 41.185 3581.22 41.220 3583.92 41.225 3586.61 41.211 3589.32 41.212 3592.02 41.206 3594.72 41.193 3597.43 41.193 3600.15 41.182 3602.86 41.160 3605.58 41.167 3608.29 41.181 3611.02 41.196 3613.75 41.199 3616.48 41.171 3619.21 41.175 3621.94 41.194 3624.69 41.201 3627.43 41.208 3630.17 41.236 3632.92 41.260 3635.67 41.279 3638.43 41.244 3641.18 41.204 3643.94 41.192 3646.71 41.200 3649.47 41.176 3652.24 41.140 3655.01 41.134 3657.78 41.132 3660.57 41.136 3663.34 41.131 3666.13 41.135 3668.91 41.155 3671.70 41.172 3674.49 41.168 3677.29 41.176 3680.09 41.205 3682.89 41.237 3685.70 41.272 3688.50 41.291 3691.31 41.291 3694.12 41.305 3696.94 41.330 3699.75 41.374 3702.58 41.411 3705.41 41.453 3708.23 41.497 3711.07 41.535 3713.89 41.596 3716.73 41.669 3719.57 41.733 3722.41 41.815 3725.25 41.877 3728.11 41.917 3730.95 41.938 3733.81 41.963 3736.67 42.029 3739.52 42.127 3742.39 42.189 3745.25 42.218 3748.12 42.181 3750.99 42.216 3753.87 42.261 3756.74 42.350 3759.62 42.424 3762.50 42.475 3765.39 42.485 3768.27 42.440 3771.16 42.409 3774.05 42.407 3776.95 42.412 3779.85 42.444 3782.75 42.441 3785.65 42.429 3788.56 42.376 3791.47 42.345 3794.38 42.354 3797.29 42.379 3800.22 42.452 3803.13 42.471 3806.06 42.488 3808.98 42.485 3811.92 42.462 3814.84 42.448 3817.78 42.414 3820.71 42.420 3823.66 42.370 3826.60 42.314 3829.55 42.269 3832.49 42.223 3835.45 42.150 3838.39 42.068 3841.35 42.005 3844.31 41.943 3847.27 41.896 3850.23 41.867 3853.20 41.795 3856.17 41.746 3859.15 41.685 3862.12 41.619 3865.10 41.532 3868.07 41.473 3871.06 41.408 3874.04 41.335 3877.03 41.270 3880.02 41.188 3883.01 41.098 3886.00 41.022 3889.00 40.946 3892.00 40.877 3895.00 40.810 3898.01 40.770 3901.01 40.724 3904.03 40.669 3907.04 40.627 3910.06 40.580 3913.07 40.546 3916.10 40.514 3919.12 40.482 3922.14 40.453 3925.17 40.425 3928.19 40.407 3931.23 40.368 3934.26 40.335 3937.31 40.315 3940.34 40.289 3943.39 40.271 3946.43 40.250 3949.47 40.229 3952.53 40.212 3955.57 40.200 3958.63 40.185 3961.69 40.154 3964.75 40.126 3967.81 40.099 3970.87 40.073 3973.94 40.052 3977.00 40.023 3980.08 39.989 3983.15 39.957 3986.23 39.929 3989.30 39.900 3992.38 39.878 3995.47 39.865 3998.55 39.863 4001.64 39.858 4004.73 39.841 4007.82 39.819 4010.91 39.800 4014.00 39.787 4017.11 39.775 4020.20 39.756 4023.31 39.739 4026.41 39.714 4029.52 39.701 4032.63 39.683 4035.74 39.666 4038.86 39.659 4041.97 39.650 4045.08 39.647 4048.21 39.648 4051.33 39.654 4054.46 39.665 4057.58 39.679 4060.70 39.700 4063.84 39.708 4066.97 39.716 4070.11 39.725 4073.24 39.734 4076.38 39.750 4079.52 39.767 4082.66 39.789 4085.81 39.804 4088.96 39.821 4092.10 39.835 4095.26 39.848 4098.41 39.865 4101.56 39.890 4104.72 39.918 4107.88 39.943 4111.05 39.963 4114.21 39.978 4117.37 39.985 4120.54 39.990 4123.70 39.996 4126.88 40.013 4130.05 40.025 4133.22 40.039 4136.40 40.046 4139.58 40.051 4142.75 40.060 4145.94 40.076 4149.12 40.083 4152.30 40.091 4155.50 40.102 4158.68 40.111 4161.88 40.116 4165.07 40.121 4168.26 40.118 4171.46 40.116 4174.66 40.122 4177.85 40.128 4181.06 40.132 4184.26 40.146 4187.46 40.158 4190.68 40.171 4193.88 40.181 4197.09 40.197 4200.31 40.215 4203.52 40.231 4206.74 40.249 4209.95 40.260 4213.17 40.270 4216.39 40.274 4219.61 40.279 4222.83 40.287 4226.06 40.298 4229.29 40.306 4232.51 40.303 4235.75 40.304 4238.98 40.316 4242.21 40.321 4245.45 40.322 4248.68 40.326 4251.91 40.329 4255.16 40.325 4258.40 40.322 4261.64 40.315 4264.89 40.310 4268.13 40.304 4271.37 40.299 4274.63 40.292 4277.87 40.290 4281.12 40.292 4284.38 40.288 4287.63 40.292 4290.88 40.300 4294.14 40.305 4297.40 40.308 4300.65 40.312 4303.92 40.317 4307.18 40.328 4310.44 40.340 4313.71 40.353 4316.97 40.360 4320.24 40.370 4323.51 40.388 4326.78 40.405 4330.05 40.425 4333.32 40.454 4336.59 40.484 4339.87 40.515 4343.15 40.541 4346.42 40.572 4349.70 40.596 4352.98 40.624 4356.26 40.656 4359.54 40.664 4362.83 40.668 4366.11 40.663 4369.39 40.659 4372.69 40.649 4375.97 40.634 4379.26 40.613 4382.54 40.581 4385.84 40.543 4389.13 40.505 4392.42 40.475 4395.72 40.450 4399.01 40.421 4402.30 40.403 4405.61 40.380 4408.90 40.359 4412.20 40.343 4415.50 40.320 4418.80 40.313 4422.10 40.313 4425.40 40.316 4428.71 40.314 4432.01 40.305 4435.32 40.301 4438.63 40.292 4441.93 40.286 4445.24 40.276 4448.55 40.271 4451.86 40.275 4455.17 40.268 4458.48 40.263 4461.80 40.265 4465.11 40.253 4468.42 40.254 4471.74 40.251 4475.05 40.251 4478.36 40.243 4481.69 40.235 4485.00 40.223 4488.32 40.211 4491.64 40.195 4494.96 40.180 4498.28 40.161 4501.60 40.152 4504.93 40.131 4508.25 40.111 4511.57 40.087 4514.90 40.068 4518.22 40.048 4521.54 40.025 4524.86 40.004 4528.20 39.983 4531.52 39.955 4534.84 39.923 4538.18 39.891 4541.50 39.866 4544.83 39.837 4548.17 39.810 4551.49 39.779 4554.82 39.755 4558.15 39.733 4561.49 39.715 4564.82 39.700 4568.14 39.686 4571.48 39.671 4574.81 39.655 4578.14 39.639 4581.48 39.639 4584.82 39.635 4588.15 39.642 4591.48 39.639 4594.82 39.638 4598.16 39.635 4601.49 39.632 4604.83 39.620 4608.17 39.609 4611.50 39.597 4614.83 39.586 4618.18 39.565 4621.51 39.548 4624.85 39.524 4628.19 39.503 4631.53 39.476 4634.86 39.451 4638.20 39.432 4641.54 39.425 4644.88 39.419 4648.22 39.415 4651.56 39.415 4654.90 39.414 4658.24 39.412 4661.57 39.413 4664.92 39.416 4668.26 39.427 4671.59 39.435 4674.94 39.437 4678.28 39.435 4681.61 39.439 4684.95 39.442 4688.30 39.441 4691.64 39.443 4694.97 39.449 4698.32 39.458 4701.66 39.465 4704.99 39.468 4708.33 39.472 4711.68 39.476 4715.01 39.480 4718.35 39.483 4721.70 39.489 4725.03 39.493 4728.37 39.494 4731.70 39.498 4735.05 39.502 4738.39 39.507 4741.72 39.513 4745.07 39.514 4748.40 39.518 4751.74 39.527 4755.07 39.540 4758.42 39.557 4761.75 39.576 4765.08 39.597 4768.43 39.612 4771.76 39.625 4775.09 39.645 4778.44 39.667 4781.77 39.698 4785.10 39.734 4788.43 39.766 4791.77 39.792 4795.11 39.814 4798.44 39.841 4801.78 39.866 4805.11 39.897 4808.44 39.938 4811.76 39.970 4815.10 39.995 4818.43 40.018 4821.76 40.039 4825.10 40.072 4828.42 40.107 4831.75 40.144 4835.07 40.169 4838.41 40.207 4841.73 40.240 4845.06 40.266 4848.39 40.294 4851.71 40.329 4855.03 40.364 4858.37 40.394 4861.69 40.408 4865.01 40.408 4868.33 40.407 4871.66 40.410 4874.97 40.407 4878.29 40.392 4881.62 40.368 4884.93 40.345 4888.25 40.332 4891.57 40.316 4894.89 40.285 4898.20 40.250 4901.51 40.219 4904.84 40.193 4908.15 40.167 4911.46 40.129 4914.78 40.099 4918.09 40.074 4921.39 40.044 4924.71 39.999 4928.02 39.946 4931.32 39.894 4934.63 39.856 4937.94 39.819 4941.24 39.776 4944.54 39.737 4947.85 39.699 4951.15 39.651 4954.45 39.607 4957.76 39.567 4961.06 39.538 4964.35 39.509 4967.66 39.483 4970.95 39.450 4974.25 39.419 4977.54 39.388 4980.84 39.354 4984.13 39.326 4987.42 39.306 4990.71 39.291 4994.00 39.276 4997.29 39.255 5000.58 39.238 5003.86 39.222 5007.15 39.218 5010.44 39.218 5013.72 39.224 5017.00 39.235 5020.27 39.244 5023.56 39.255 5026.84 39.267 5030.11 39.280 5033.39 39.305 5036.66 39.340 5039.93 39.375 5043.21 39.404 5046.48 39.434 5049.75 39.467 5053.02 39.498 5056.29 39.539 5059.55 39.581 5062.82 39.619 5066.08 39.653 5069.34 39.677 5072.61 39.698 5075.86 39.727 5079.12 39.748 5082.38 39.764 5085.63 39.776 5088.88 39.789 5092.14 39.796 5095.39 39.795 5098.63 39.794 5101.89 39.791 5105.13 39.790 5108.37 39.778 5111.62 39.768 5114.86 39.760 5118.10 39.752 5121.35 39.744 5124.58 39.732 5127.81 39.718 5131.05 39.711 5134.28 39.709 5137.51 39.703 5140.75 39.702 5143.97 39.708 5147.20 39.708 5150.43 39.714 5153.65 39.721 5156.88 39.725 5160.09 39.726 5163.31 39.729 5166.53 39.722 5169.74 39.716 5172.95 39.717 5176.17 39.710 5179.38 39.701 5182.58 39.698 5185.80 39.700 5189.00 39.702 5192.20 39.703 5195.40 39.703 5198.60 39.694 5201.79 39.691 5205.00 39.690 5208.19 39.696 5211.39 39.700 5214.57 39.706 5217.76 39.700 5220.95 39.683 5224.13 39.663 5227.31 39.648 5230.50 39.644 5233.68 39.639 5236.86 39.638 5240.04 39.626 5243.21 39.603 5246.38 39.587 5249.55 39.578 5252.72 39.580 5255.89 39.588 5259.05 39.596 5262.21 39.599 5265.37 39.589 5268.53 39.586 5271.69 39.576 5274.84 39.568 5277.99 39.563 5281.15 39.557 5284.29 39.538 5287.45 39.515 5290.59 39.486 5293.72 39.465 5296.87 39.447 5300.01 39.434 5303.15 39.412 5306.28 39.393 5309.41 39.376 5312.54 39.361 5315.67 39.349 5318.79 39.343 5321.92 39.344 5325.03 39.347 5328.16 39.342 5331.27 39.334 5334.39 39.328 5337.50 39.333 5340.61 39.339 5343.72 39.353 5346.83 39.361 5349.94 39.361 5353.03 39.360 5356.13 39.349 5359.23 39.338 5362.32 39.331 5365.42 39.327 5368.51 39.317 5371.59 39.311 5374.68 39.309 5377.76 39.304 5380.85 39.305 5383.93 39.307 5387.01 39.311 5390.08 39.316 5393.15 39.321 5396.22 39.326 5399.28 39.331 5402.36 39.348 5405.41 39.364 5408.48 39.373 5411.53 39.369 5414.59 39.361 5417.64 39.357 5420.69 39.352 5423.74 39.354 5426.79 39.356 5429.83 39.357 5432.87 39.359 5435.91 39.357 5438.95 39.345 5441.98 39.334 5445.01 39.335 5448.04 39.345 5451.07 39.350 5454.09 39.349 5457.12 39.338 5460.13 39.327 5463.15 39.314 5466.16 39.303 5469.17 39.288 5472.18 39.278 5475.18 39.265 5478.19 39.244 5481.19 39.227 5484.19 39.209 5487.18 39.200 5490.18 39.196 5493.17 39.193 5496.16 39.198 5499.14 39.199 5502.13 39.203 5505.11 39.200 5508.08 39.200 5511.06 39.212 5514.03 39.221 5517.00 39.230 5519.96 39.235 5522.93 39.241 5525.89 39.246 5528.85 39.250 5531.81 39.259 5534.77 39.266 5537.71 39.283 5540.66 39.297 5543.61 39.305 5546.55 39.307 5549.49 39.308 5552.43 39.306 5555.36 39.306 5558.30 39.309 5561.22 39.311 5564.15 39.314 5567.07 39.323 5570.00 39.334 5572.91 39.338 5575.83 39.347 5578.74 39.360 5581.65 39.375 5584.56 39.384 5587.47 39.391 5590.36 39.400 5593.27 39.410 5596.16 39.412 5599.06 39.409 5601.94 39.402 5604.83 39.403 5607.71 39.399 5610.60 39.394 5613.47 39.396 5616.35 39.418 5619.22 39.440 5622.10 39.450 5624.97 39.452 5627.83 39.459 5630.69 39.473 5633.55 39.496 5636.41 39.522 5639.26 39.559 5642.11 39.594 5644.95 39.624 5647.80 39.648 5650.64 39.671 5653.48 39.708 5656.31 39.765 5659.15 39.827 5661.98 39.883 5664.80 39.921 5667.63 39.970 5670.45 40.007 5673.27 40.059 5676.08 40.113 5678.90 40.164 5681.70 40.225 5684.51 40.272 5687.32 40.304 5690.11 40.329 5692.91 40.351 5695.70 40.381 5698.50 40.411 5701.28 40.446 5704.07 40.448 5706.86 40.451 5709.63 40.449 5712.41 40.450 5715.18 40.445 5717.95 40.432 5720.72 40.405 5723.48 40.381 5726.25 40.360 5729.00 40.328 5731.76 40.293 5734.51 40.278 5737.26 40.246 5740.01 40.212 5742.75 40.151 5745.49 40.110 5748.22 40.083 5750.96 40.056 5753.70 40.028 5756.42 39.992 5759.15 39.956 5761.86 39.910 5764.59 39.849 5767.31 39.790 5770.01 39.741 5772.72 39.714 5775.43 39.680 5778.13 39.632 5780.84 39.590 5783.53 39.557 5786.23 39.533 5788.92 39.510 5791.60 39.480 5794.29 39.456 5796.97 39.443 5799.65 39.423 5802.33 39.403 5804.99 39.382 5807.67 39.362 5810.34 39.341 5812.99 39.318 5815.66 39.285 5818.31 39.246 5820.97 39.224 5823.62 39.207 5826.26 39.184 5828.91 39.158 5831.55 39.142 5834.19 39.121 5836.82 39.105 5839.46 39.095 5842.08 39.082 5844.71 39.067 5847.34 39.068 5849.95 39.069 5852.57 39.063 5855.19 39.059 5857.79 39.066 5860.40 39.064 5863.01 39.071 5865.60 39.066 5868.20 39.061 5870.80 39.049 5873.39 39.046 5875.98 39.043 5878.57 39.039 5881.14 39.049 5883.72 39.057 5886.30 39.068 5888.87 39.077 5891.44 39.089 5894.01 39.101 5896.57 39.113 5899.13 39.136 5901.69 39.152 5904.24 39.151 5906.79 39.151 5909.34 39.141 5911.88 39.143 5914.43 39.142 5916.97 39.135 5919.51 39.128 5922.03 39.127 5924.56 39.138 5927.09 39.145 5929.61 39.157 5932.13 39.163 5934.65 39.165 5937.17 39.166 5939.67 39.157 5942.18 39.147 5944.69 39.144 5947.18 39.141 5949.68 39.146 5952.18 39.144 5954.67 39.145 5957.16 39.148 5959.64 39.171 5962.13 39.193 5964.60 39.203 5967.08 39.220 5969.56 39.225 5972.03 39.246 5974.49 39.248 5976.96 39.246 5979.42 39.250 5981.88 39.245 5984.33 39.255 5986.78 39.266 5989.23 39.277 5991.68 39.290 5994.12 39.301 5996.56 39.325 5999.00 39.318 6001.43 39.326 6003.85 39.342 6006.28 39.331 6008.71 39.344 6011.13 39.336 6013.54 39.315 6015.96 39.299 6018.38 39.308 6020.79 39.309 6023.19 39.307 6025.59 39.322 6027.99 39.337 6030.39 39.363 6032.79 39.403 6035.17 39.415 6037.56 39.438 6039.95 39.461 6042.33 39.468 6044.70 39.473 6047.08 39.486 6049.46 39.491 6051.83 39.493 6054.20 39.499 6056.56 39.496 6058.92 39.483 6061.28 39.488 6063.64 39.486 6065.98 39.498 6068.33 39.514 6070.68 39.535 6073.03 39.553 6075.37 39.559 6077.70 39.569 6080.03 39.564 6082.37 39.565 6084.70 39.567 6087.03 39.570 6089.35 39.560 6091.66 39.550 6093.98 39.564 6096.30 39.555 6098.61 39.530 6100.92 39.528 6103.22 39.525 6105.53 39.526 6107.83 39.525 6110.13 39.527 6112.42 39.534 6114.71 39.539 6117.00 39.547 6119.29 39.523 6121.57 39.507 6123.85 39.500 6126.13 39.511 6128.40 39.491 6130.67 39.487 6132.94 39.472 6135.21 39.464 6137.48 39.452 6139.74 39.443 6142.00 39.408 6144.25 39.426 6146.50 39.458 6148.75 39.489 6151.00 39.401