U Orionis
| SPA VSS programme
Type: M
| P-LC
| O-LC
Period: 368d
Coords: (2000) 05h55.8m +20°11'
Magnitude range: 5.03 to 13.10
Sequence chart: 059.01
Total observations: 12550
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1890.. 29 2 21 11 18 1900.. 69 52 66 41 24 48 85 96 76 102 1910.. 46 44 57 97 141 108 93 115 136 107 1920.. 103 111 106 140 199 156 196 170 211 248 1930.. 231 286 254 214 216 150 162 182 258 156 1940.. 149 49 24 62 77 82 128 33 99 37 1950.. 60 68 72 47 64 78 67 43 37 66 1960.. 47 58 33 42 105 88 53 173 207 158 1970.. 143 161 133 233 164 129 85 76 172 141 1980.. 144 210 174 200 199 209 272 269 241 197 1990.. 124 88 89 118 160 145 111 73 157 108 2000.. 86
W Orionis
Type: SRB
Period: 212d
Coords: (2000) 05h05.4m +01°11'
Magnitude range: 5.50 to 7.80
Sequence chart: 105.01
| @
Total observations: 1633
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1970.. 59 40 1980.. 49 76 67 76 91 129 124 96 84 1990.. 104 65 61 67 94 84 30 97 88 2000.. 52
BI Orionis
Type: UGZ
Period: 20.5d?
Coords: (2000) 05h23m52s +01°00'30"
Magnitude range: 14.20 to 14.20
Total observations: 3
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1990.. 1 2000.. 2
BL Orionis
Type: LB
Coords: (2000) 06h25.5m +14°43'
Magnitude range: 5.71 to 7.24
Sequence chart: MDT831003
Total observations: 1622
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1970.. 85 75 1980.. 11 21 67 114 123 138 114 77 81 1990.. 90 67 38 65 122 99 33 16 80 70 2000.. 36
BQ Orionis
Type: SR
| P-LC
Period: 110d
Coords: (2000) 05h57.1m +22°50'
Magnitude range: 6.95 to 9.20
Sequence chart: MDT840412
Total observations: 2142
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1970.. 51 30 1980.. 86 88 124 121 116 124 136 141 143 1990.. 118 101 66 96 102 126 35 19 113 142 2000.. 64
CK Orionis
Type: SR?
Period: 120d?
Coords: (2000) 05h30.3m +04°12'
Magnitude range: 5.90 to 7.10
Sequence chart: 221.01
| @
Total observations: 2171
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1970.. 94 54 51 39 30 17 25 25 42 1980.. 33 34 54 75 89 103 141 154 102 106 1990.. 94 99 69 93 136 109 45 15 91 92 2000.. 60
CN Orionis
Type: UGZ
| C-LC
| P-LC
Period: 16d
Coords: (2000) 05h52.1m -05°25'
Magnitude range: 11.42 to 15.29
Sequence chart: 012.02/01
Total observations: 4622
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1960.. 17 19 25 23 55 30 36 1970.. 50 68 76 213 108 102 79 22 68 127 1980.. 173 135 132 182 151 156 252 282 313 217 1990.. 162 140 82 119 140 150 88 128 130 202 2000.. 170
CZ Orionis
Type: UGSS
| C-LC
| P-LC
Period: 26d
Coords: (2000) 06h16m43s +15°24'11"
Magnitude range: 10.90 to 15.90
Sequence chart: 013.02/01
Total observations: 7068
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1970.. 2 1980.. 237 218 241 284 492 688 556 1990.. 445 447 325 405 435 428 288 451 414 461 2000.. 251
ER Orionis
Type: EW
Period: .42d
Coords: (2000) 05h11.2m -08°33'
Magnitude range: 9.20 to 10.05
Sequence chart: JEI8711
Total observations: 110
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1990.. 55 33 22
FU Orionis
Type: FUOri
Coords: (2000) 05h45m22s +09°04'09"
Magnitude range: 9.40 to 9.70
Total observations: 34
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1990.. 15 10 2 2000.. 7
KX Orionis
Type: INA
Coords: (2000) 05h35m05s -04°43'53"
Magnitude range: 6.80 to 7.20
Total observations: 7
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1990.. 7
NU Orionis
Type: INSA
Coords: (2000) 05h35m32s -05°16'01"
Magnitude range: 7.40 to 7.60
Sequence chart: Burnhams p1333
Total observations: 80
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1990.. 3 13 22 27 2000.. 15
V344 Orionis
Type: UGZ
Coords: (2000) 06h15m19s +15°30.6'
Magnitude range: 14.00 to [14.90
Sequence chart: TA880530
Total observations: 165
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1990.. 11 26 40 29 29 2000.. 30
V372 Orionis
Type: not listed
Coords: (2000) 05h34m47s -05°34'16"
Magnitude range: 8.00 to 8.20
Total observations: 8
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1990.. 8
V530 Orionis
Type: EA
Period: 6.11d
Coords: (2000) 06h04.6m -03°12'
Magnitude range: 10.00 to 10.00
Sequence chart: JEI8711
Total observations: 3
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1990.. 3
V650 Orionis
Type: UG?
Coords: (2000) 05h31m08s +09°45.9'
Magnitude range: ? to [15.30
Total observations: 139
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1990.. 12 22 35 21 25 2000.. 24
V1159 Orionis
| Report on the Warner Symposium on CVs
Type: UGSU
| C-LC
Coords: (2000) 05h28m59s -03°33'51"
Magnitude range: 12.20 to 15.30
Sequence chart: TA950223
Total observations: 386
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1990.. 34 41 68 49 90 2000.. 104
NSV2917 Orionis (BD+14 1247)
Type: LC
Coords: (2000) 06h16.8m +13°59'
Magnitude range: 5.31 to 6.72
Sequence chart: MDT831003
Total observations: 202
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1970.. 57 70 1990.. 47 23 3 2000.. 2
TASV0534+10 Orionis (Q1990/92)
Type: not listed
Coords: (1950) 05h34.2m +10°25'
Magnitude range: 9.00 to 9.00
Total observations: 1
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1990.. 1
TAV0559+06 Orionis (Q1991/9)
Type: not listed
Coords: (2000) 06h01.7m +06°38'
Magnitude range: 12.30 to 12.30
Total observations: 4
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1990.. 4
alpha Orionis (Betelgeuse)
| Variable Star Spectra Compared
| SPA VSS programme
Type: SRC
Period: 2335d
Coords: (2000) 05h55m10s +07°24'25"
Magnitude range: -.40 to 1.22
Sequence chart: SPA-TM
Total observations: 3061
Annual totals ++0 ++1 ++2 ++3 ++4 ++5 ++6 ++7 ++8 ++9 1890.. 4 8 13 3 1970.. 255 126 109 159 54 35 20 13 15 16 1980.. 41 63 58 78 78 136 237 232 206 89 1990.. 86 108 123 118 128 82 85 80 89 98 2000.. 16
