Ritter Observation Log for Theta Crb

Theta Crb (example spectra)
HD138749
RA(FK5 2000): 15 32 56
Dec(FK5 2000): +31 21 33
Spectral Type: B6Vnne
Type: Be
V Mag: 4.153
Contact: AM
Target Date Wave Instrument Expos ADU File Size File Name Observer Comments
Theta Crb 950303 Halpha E 1200 349 9 x 1149 032 CLM,KG
Theta Crb 960421 Halpha E 900 248 9 x 1149 024 DCK
Theta Crb 960424 Halpha E 1200 644 9 x 1149 018 CLM
Theta Crb 960520 Halpha E 900 184 9 x 1149 021 DCK,CLM
Theta Crb 970429 Halpha E 2400 107 9 x 1149 023 NDM,KSB
Theta Crb 970511 Halpha E 1800 294 9 x 1149 014 NDM
Theta Crb 970521 Halpha E 1800 83 9 x 1149 016 CLM
Theta Crb 970521 Halpha E 2400 89 9 x 1149 018 CLM
Theta Crb 970528 Halpha E 2400 419 9 x 1149 016 CLM
Theta Crb 970610 Halpha E 3000 476 9 x 1149 033 NDM,HLR,DCK
Theta Crb 970628 Halpha E 1800 61 9 x 1149 027 CLM
Theta Crb 970629 Halpha E 1800 274 9 x 1149 014 NDM
Theta Crb 980325 Halpha E 1800 165 9 x 1149 016 DCK
Theta Crb 980330 Halpha E 1800 137 9 x 1149 024 AM
Theta Crb 980331 Halpha E 1800 119 9 x 1149 026 CLM,NDM
Theta Crb 980405 Halpha E 1800 382 9 x 1149 022 CLM,AM
Theta Crb 980406 Halpha E 1200 327 9 x 1149 026 CLM,AM
Theta Crb 980412 Halpha E 1200 316 9 x 1149 020 NDM,AM
Theta Crb 980412 Halpha E 1200 322 9 x 1149 022 NDM,AM
Theta Crb 980412 Halpha E 1200 353 9 x 1149 024 NDM,AM
Theta Crb 980412 Halpha E 1200 393 9 x 1149 026 NDM,AM
Theta Crb 980418 Halpha E 1200 272 9 x 1149 024 AM
Theta Crb 980427 Halpha E 1200 353 9 x 1149 014 CLM
Theta Crb 980427 Halpha E 1200 305 9 x 1149 016 CLM
Theta Crb 980427 Halpha E 1200 355 9 x 1149 018 CLM
Theta Crb 980428 Halpha E 1200 344 9 x 1149 022 NDM,CLM
Theta Crb 980428 Halpha E 1200 380 9 x 1149 024 NDM,CLM
Theta Crb 980428 Halpha E 1200 340 9 x 1149 026 NDM,CLM
Theta Crb 980513 Halpha E 2000 81 9 x 1149 014 DCK
Theta Crb 980515 Halpha E 1800 234 9 x 1149 019 NDM
Theta Crb 980517 Halpha E 1800 197 9 x 1149 016 CLM,PAO
Theta Crb 980519 Halpha E 3600 347 9 x 1149 020 NDM
Theta Crb 980522 Halpha E 2400 83 9 x 1149 018 KSB
Theta Crb 980527 Halpha E 1200 63 9 x 1149 012 DCK
Theta Crb 980527 Halpha E 3000 96 9 x 1149 013 DCK
Theta Crb 980608 Halpha E 1800 529 9 x 1149 018 NDM
Theta Crb 980608 Halpha E 1800 512 9 x 1149 014 NDM
Theta Crb 980711 Halpha E 1200 85 9 x 1149 012 PAO
Theta Crb 980712 Halpha E 1800 92 9 x 1149 014 CLM
Theta Crb 990529 Halpha E 2400 322 9 x 1149 025 NDM
Theta Crb 990608 5700 Ang. L 300 50 1 x 577 025 NDM,AM
Theta Crb 990610 Halpha E 1800 52 9 x 1149 013 KSB
Theta Crb 990705 5700 Ang. L 300 52 1 x 577 012 NDM
Theta Crb 20000303 Halpha E 900 162 9 x 1149 032 AM,DCK
Theta Crb 20010221 Halpha E 3600 179 9 x 1149 028 KSB,AM
Theta Crb 20010318 Halpha E 3600 117 9 x 1149 028 NDM,DCK
Theta Crb 20010404 Halpha E 3600 217 9 x 1149 020 NDM,JPW,KSB,AM
Theta Crb 20010428 Halpha E 3600 291 9 x 1149 016 JPW,NDM
Theta Crb 20010501 Halpha E 3600 238 9 x 1149 019 WJF,JT,AM
Theta Crb 20010510 Halpha E 3600 251 9 x 1149 018 WJF,DCK
Theta Crb 20010613 Halpha E 3600 91 9 x 1149 016 WJF
Theta Crb 20010702 Halpha E 3600 142 9 x 1149 018 NDM,JT,AG
Theta Crb 20010715 Halpha E 3600 211 9 x 1149 016 JT,NDM
Theta Crb 20020125 Halpha E 3000 163 9 x 1149 030 AM
Theta Crb 20020218 Halpha E 3600 164 9 x 1149 035 JT,NDM
Theta Crb 20020424 Halpha E 1800 348 9 x 1149 021 NDM new mirror coating
Theta Crb 20020427 Halpha E 1800 259 9 x 1149 022 NDM,JPW
Theta Crb 20020504 Halpha E 1800 139 9 x 1149 028 JPW
Theta Crb 20020511 Halpha E 1800 276 9 x 1149 038 NDM,JPW
Theta Crb 20020527 Halpha E 1800 424 9 x 1149 026 NDM
Theta Crb 20020705 Halpha E 2700 238 9 x 1149 014 NDM
Theta Crb 20030227 Halpha E 3600 130 9 x 1149 033 NDM,AM Wave Calib. Note
Theta Crb 20030424 Halpha E 3600 296 9 x 1149 022 NDM Wave Calib. Note
Theta Crb 20030427 Halpha E 3600 311 9 x 1149 016 NDM,AM Wave Calib. Note
Theta Crb 20030428 Halpha E 2700 229 9 x 1149 028 NDM,AM Wave Calib. Note
Theta Crb 20030504 Halpha E 2700 307 9 x 1149 024 NDM,AM Wave Calib. Note
Theta Crb 20030506 Halpha E 1690 222 9 x 1149 016 JPW abort due to clouds, Wave Calib. Note
Theta Crb 20030514 Halpha E 2700 319 9 x 1149 018 JPW Wave Calib. Note
Theta Crb 20030521 Halpha E 2700 220 9 x 1149 014 JPW Wave Calib. Note
Theta Crb 20030523 Halpha E 2700 210 9 x 1149 016 DRL,AM Wave Calib. Note
Theta Crb 20030620 Halpha E 2400 210 9 x 1149 014 DRL Wave Calib. Note
Theta Crb 20040412 Halpha E 3600 82 9 x 1149 026 NDM, AM
Theta Crb 20040415 Halpha E 2700 211 9 x 1149 019 NDM, ENH, AM
Theta Crb 20040420 Halpha E 2700 118 9 x 1149 020 NDR, AM
Theta Crb 20040517 Halpha E 3600 165 9 x 1149 016 NDM, JT, NDR
Theta Crb 20040606 Halpha E 3600 95 9 x 1149 016 DRL
Theta Crb 20040630 Halpha E 3600 100 9 x 1149 012 KSB, AK, PS
Theta Crb 20050404
Halpha E 3600 134
9 x 1149 033
NDR, NDM

Theta Crb 20060226
Halpha E 2700
171
9 x 1149 016
NDM

Theta Crb 20060304
Halpha E 3000
178
9 x 1149 026
NDM, ENH

Theta Crb 20060307
Halpha E 2700
195
9 x 1149 026
DRL, NDM

Theta Crb 20060318
Halpha E 3600
168
9 x 1149 033
NDM, ENH

Theta Crb 20060409
Halpha E 3000
223
9 x 1149 028
NDM

Theta Crb 20060415
Halpha E 2700
184
9 x 1149 024
NDM

Theta Crb 20060416
Halpha E 2700
130
9 x 1149 024
DRL, NDM
through clouds
Theta Crb 20060420
Halpha E 3000
165
9 x 1149 020
ENH

Theta Crb 20060425
Halpha E 3165
213
9 x 1149 018
DRL
aborted due to clouds
Theta Crb 20060427
Halpha E 3600
154
9 x 1149 020
NDM, ENH

Theta Crb 20060429
Halpha E 3600
157
9 x 1149 020
NDM, GBT, ENH

Theta Crb 20060508
Halpha E 2700
124
9 x 1149 020
NDM

Theta Crb 20060509
Halpha E 3600
139
9 x 1149 014
NDR

Theta Crb 20060523
Halpha E 3600
144
9 x 1149 016
ENH

Theta Crb 20060524
Halpha E 3600
159
9 x 1149 019
NDM

Theta Crb 20060528
Halpha E 3600
124
9 x 1149 018
NDM

Theta CrB 20060529
Halpha E 2700
132
9 x 1149 016
GBT

Theta CrB 20060530
Halpha E 3000
151
9 x 1149 016
ENH

Theta CrB 20060605
Halpha E 3600
229
9 x 1149 018
NDM, LAS

Theta Crb 20060606
Halpha E 2700
248
9 x 1149 016
ENH, LAS

Theta Crb 20060615
Halpha E 2700
148
9 x 1149 014
NDR, EEA, BWR

Theta Crb 20060616
Halpha E 2700
107
9 x 1149 014
ENH

Theta Crb 20060618
Halpha E 3600
196
9 x 1149 022
NDM
through clouds
Theta Crb 20060626
Halpha E 3000
153
9 x 1149 016
GBT
through clouds
Theta Crb 20060630
Halpha E 2700
160
9 x 1149 018
NDM

Theta Crb 20060706
Halpha E 2700
267
9 x 1149 014
NDR, ANF

Theta Crb 20060707
Halpha E 2700
84
9 x 1149 014
ENH
through clouds
Theta Crb 20060708
Halpha E 2700
254
9 x 1149 017
NDM

Theta Crb 20060718
Halpha E 1504
105
9 x 1149 016
ENH
aborted due to clouds
Theta Crb 20060730
Halpha E 2700
334
9 x 1149 020
NDM

Theta Crb 20070305
Halpha E 3600
147
9 x 1149 026
NDM

Observation Log





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