Heh, nice. Anyway, moving on.
If anyone was wondering about any other messages encoded with different spacings.
I used the 'corrected' encrypted message with that one space removed, it's text was the 'message' referenced in the script.
the sauce is on the last line, but also on the 9th line you have the decrypted message but including the '8' we've accepted as the key.
A short python script and it's output, printing the character form every nth place, and starting on every nth character:
for i in range(0,9):
... for j in range(1,9):
... print(message[i::j])
...
8BFGTY4PLU67-RTYO06.45:GN63-74PHGJI E67-:F563-21-574.9ER34.6-DER8+WEST U.5 -RTG10 RTH8-4 6T.WR4564-21 +G134.2 RT55.4 GDW THE42.1LY 764.2Y-45TG4.BTJ-Y. 6ORT437.1D341-67.Y5DS 243 45TY-3234
8FT4L6-TO64:N37PGIE7:532-7.E3.-E8WS . RG0RH- TW46-1+142R5. D H4.L 6.Y4T4BJY OT3.D4-7YD 4 5Y33
8G4U-Y65N-PJE-5--4E4-RWT.-G H4TR62+32T.G E.Y624GB- R3146YS44Y2
8TL-O4N7GE:3-.3-8S.R0H W61125 4L6YTBYO3D-Y Y3
8Y6Y46P :-7R-+ -08T513R4 2 2TT 4D6D3Y4
84-6NPE5-E-W.GHT6+2. .64B 34Y4Y
8PT57 553R TH.-35W.4T-T3Y33
8LONG:-38.0 615 LYBODY 3
BFGTY4PLU67-RTYO06.45:GN63-74PHGJI E67-:F563-21-574.9ER34.6-DER8+WEST U.5 -RTG10 RTH8-4 6T.WR4564-21 +G134.2 RT55.4 GDW THE42.1LY 764.2Y-45TG4.BTJ-Y. 6ORT437.1D341-67.Y5DS 243 45TY-3234
BGYPU7RY0.5G6-4HJ 6-F6-1549R46DR+ETU5-T1 T846.R542 G3. T54GWTE21Y742-5G.T-.6R471316.5S234T-24
BTP6RO.:67HI6:625.R.D8E 5R1R8 .441G4 54DT41 4Y54TY6T7D175 35-3
BYUR0564J6F-594D+T5T 86R4 3 5GT2Y4-GT.R736524-4
B47O53HEF243DWUR -.6 4T T.7YGJ6337S -
BPR.6H665RDE518.4G 4T145T67153-
BLY:4E6748UG8W245 1.GY445 2
BU06JF54+5 6435TY-TR3544
FGTY4PLU67-RTYO06.45:GN63-74PHGJI E67-:F563-21-574.9ER34.6-DER8+WEST U.5 -RTG10 RTH8-4 6T.WR4564-21 +G134.2 RT55.4 GDW THE42.1LY 764.2Y-45TG4.BTJ-Y. 6ORT437.1D341-67.Y5DS 243 45TY-3234
FT4L6-TO64:N37PGIE7:532-7.E3.-E8WS . RG0RH- TW46-1+142R5. D H4.L 6.Y4T4BJY OT3.D4-7YD 4 5Y33
FYL7T04G34G 7F317936E+SU T0T-6W5- 1.R5 WH2L7.-T.J.O4.3-.D2 T34
F46T6:3PI7527E.EW GR-T4-+4R.DH. .44J T.47D453
FP-0:-G651.4EE.TR4W4+.5GH16-4-O74. 43
FLT43G7373ES 0-W-1R HL.TJO.-D 3
FUOGP634.+.1-R1..TL24.31D43
F663I57.W RT-4.H 4JT4D5
GTY4PLU67-RTYO06.45:GN63-74PHGJI E67-:F563-21-574.9ER34.6-DER8+WEST U.5 -RTG10 RTH8-4 6T.WR4564-21 +G134.2 RT55.4 GDW THE42.1LY 764.2Y-45TG4.BTJ-Y. 6ORT437.1D341-67.Y5DS 243 45TY-3234
GYPU7RY0.5G6-4HJ 6-F6-1549R46DR+ETU5-T1 T846.R542 G3. T54GWTE21Y742-5G.T-.6R471316.5S234T-24
G4U-Y65N-PJE-5--4E4-RWT.-G H4TR62+32T.G E.Y624GB- R3146YS44Y2
GP7Y.G-H -614R6REU-1T4.52G.T4WE1725.-6411.S3T2
GLR6G7J76-9.RS5GT R-G25DEL44.YR.1Y252
GUY5-J--44RT- 4R23TGEY2G-R16S42
G60NH7-.6W5044 24HYY. 7-S54
G7.- 646E-T.2.4E75-41ST
TY4PLU67-RTYO06.45:GN63-74PHGJI E67-:F563-21-574.9ER34.6-DER8+WEST U.5 -RTG10 RTH8-4 6T.WR4564-21 +G134.2 RT55.4 GDW THE42.1LY 764.2Y-45TG4.BTJ-Y. 6ORT437.1D341-67.Y5DS 243 45TY-3234
T4L6-TO64:N37PGIE7:532-7.E3.-E8WS . RG0RH- TW46-1+142R5. D H4.L 6.Y4T4BJY OT3.D4-7YD 4 5Y33
TP6RO.:67HI6:625.R.D8E 5R1R8 .441G4 54DT41 4Y54TY6T7D175 35-3
TL-O4N7GE:3-.3-8S.R0H W61125 4L6YTBYO3D-Y Y3
TUT.N4I-35E68T 1H6421 .W4Y.5B.T1-54T3
T6O:7I:2..8 RR 4145D4 Y4YTD7 53
T766G-29-E 5+ E -B6.6 T
T-47E3.-SRHW12 46TY3- Y
Y4PLU67-RTYO06.45:GN63-74PHGJI E67-:F563-21-574.9ER34.6-DER8+WEST U.5 -RTG10 RTH8-4 6T.WR4564-21 +G134.2 RT55.4 GDW THE42.1LY 764.2Y-45TG4.BTJ-Y. 6ORT437.1D341-67.Y5DS 243 45TY-3234
YPU7RY0.5G6-4HJ 6-F6-1549R46DR+ETU5-T1 T846.R542 G3. T54GWTE21Y742-5G.T-.6R471316.5S234T-24
YL7T04G34G 7F317936E+SU T0T-6W5- 1.R5 WH2L7.-T.J.O4.3-.D2 T34
YUR0564J6F-594D+T5T 86R4 3 5GT2Y4-GT.R736524-4
Y6Y46P :-7R-+ -08T513R4 2 2TT 4D6D3Y4
Y70G4 F196+UTT65 .5W27-..43.2T4
Y-.3J:1EDS-R66GRG474TO172Y
YR546-9DTT8R G24G.762-
4PLU67-RTYO06.45:GN63-74PHGJI E67-:F563-21-574.9ER34.6-DER8+WEST U.5 -RTG10 RTH8-4 6T.WR4564-21 +G134.2 RT55.4 GDW THE42.1LY 764.2Y-45TG4.BTJ-Y. 6ORT437.1D341-67.Y5DS 243 45TY-3234
4L6-TO64:N37PGIE7:532-7.E3.-E8WS . RG0RH- TW46-1+142R5. D H4.L 6.Y4T4BJY OT3.D4-7YD 4 5Y33
4U-Y65N-PJE-5--4E4-RWT.-G H4TR62+32T.G E.Y624GB- R3146YS44Y2
46T6:3PI7527E.EW GR-T4-+4R.DH. .44J T.47D453
47O53HEF243DWUR -.6 4T T.7YGJ6337S -
4-6NPE5-E-W.GHT6+2. .64B 34Y4Y
4R4-IF-RETRTT41TD265JRD.4-
4T

72EE G-4+RD..4 .743
PLU67-RTYO06.45:GN63-74PHGJI E67-:F563-21-574.9ER34.6-DER8+WEST U.5 -RTG10 RTH8-4 6T.WR4564-21 +G134.2 RT55.4 GDW THE42.1LY 764.2Y-45TG4.BTJ-Y. 6ORT437.1D341-67.Y5DS 243 45TY-3234
PU7RY0.5G6-4HJ 6-F6-1549R46DR+ETU5-T1 T846.R542 G3. T54GWTE21Y742-5G.T-.6R471316.5S234T-24
P6RO.:67HI6:625.R.D8E 5R1R8 .441G4 54DT41 4Y54TY6T7D175 35-3
P7Y.G-H -614R6REU-1T4.52G.T4WE1725.-6411.S3T2
P-0:-G651.4EE.TR4W4+.5GH16-4-O74. 43
PR.6H665RDE518.4G 4T145T67153-
PT57 553R TH.-35W.4T-T3Y33
PYGH-1RRU145GTW12.61.32
LU67-RTYO06.45:GN63-74PHGJI E67-:F563-21-574.9ER34.6-DER8+WEST U.5 -RTG10 RTH8-4 6T.WR4564-21 +G134.2 RT55.4 GDW THE42.1LY 764.2Y-45TG4.BTJ-Y. 6ORT437.1D341-67.Y5DS 243 45TY-3234
L6-TO64:N37PGIE7:532-7.E3.-E8WS . RG0RH- TW46-1+142R5. D H4.L 6.Y4T4BJY OT3.D4-7YD 4 5Y33
L7T04G34G 7F317936E+SU T0T-6W5- 1.R5 WH2L7.-T.J.O4.3-.D2 T34
L-O4N7GE:3-.3-8S.R0H W61125 4L6YTBYO3D-Y Y3
LR6G7J76-9.RS5GT R-G25DEL44.YR.1Y252
LT43G7373ES 0-W-1R HL.TJO.-D 3
LY:4E6748UG8W245 1.GY445 2
LONG:-38.0 615 LYBODY 3