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Variable objects in 12 hours RA

Lightcurves: C-LC = Current or Recent, P-LC = 'Pixel' Long-term, A-LC = from Articles, O-LC = Others.
Magnitude ranges are the extreme observed limits.

SN1994W Ursae Majoris (NGC4041)
Type: SN
Coords: (2000) 12h02m09s +6208.3'
Magnitude range: 13.33 to 13.92
Sequence chart: SN/025.001
Total observations: 10

R Comae Berenices
Type: M | P-LC | O-LC
Period: 363d
Coords: (2000) 12h04.3m +1847'
Magnitude range: 8.00 to 14.10
Sequence chart: 212.01 | A | B
Total observations: 440

RX Virginis
Type: SRD?
Period: 200d?
Coords: (2000) 12h04.7m -0546'
Magnitude range: 7.18 to 9.25
Sequence chart: MDT820205
Total observations: 135

SV1204+26 Comae Berenices
Type: not listed
Coords: (2000) 12h06m09s +2544.4'
Magnitude range: 11.45 to 11.50
Sequence chart: JT180398
Total observations: 2

RW Virginis
Type: LB | O-LC
Coords: (2000) 12h07.2m -0646'
Magnitude range: 6.78 to 8.82
Sequence chart: MDT820205
Total observations: 179

NGC4151 Canum Venaticorum
Type: Seyfert
Coords: (2000) 12h10m32s +3924'30"
Magnitude range: 10.90 to 12.75
Sequence chart: JT840715 | @
Total observations: 1953

CC Comae Berenices
Type: EW
Period: .22d
Coords: (2000) 12h12.1m +2232'
Magnitude range: 11.40 to 11.70
Sequence chart: JEI860706
Total observations: 4

EG Ursae Majoris
Type: NL
Coords: (2000) 12h15m45s +5231.3'
Magnitude range: 12.85 to 12.88
Sequence chart: GMH871003
Total observations: 20

NSV5543 Canum Venaticorum
Type: UG
Coords: (2000) 12h18m38s +4001'39"
Magnitude range: ? to [14.70
Total observations: 43

TV Corvi (Nova? 1931)
Type: UG
Coords: (2000) 12h20m24s -1827'02"
Magnitude range: ? to [15.30
Total observations: 8

RY Ursae Majoris
Type: SRB | P-LC
Period: 310d?
Coords: (2000) 12h20.5m +6119'
Magnitude range: 6.60 to 8.40
Sequence chart: 217.01 | @
Total observations: 4414

W Comae Berenices (ON 231)
Type: BLLAC | C-LC | O-LC | O-LC
Coords: (2000) 12h21m32s +2813'58"
Magnitude range: 12.83 to 15.70
Sequence chart: GMH920227 | @
Total observations: 530

SN1991bg Virginis (NGC4374)
Type: SN
Coords: (1950) 12h22.5m +1310'
Magnitude range: 14.16 to 14.16
Sequence chart: SN019.01
Total observations: 1

SS Virginis
Type: SRA | O-LC
Period: 364d
Coords: (2000) 12h25.3m +0048'
Magnitude range: 6.25 to 9.80
Sequence chart: 097.01 | @
Total observations: 371

3C273 Virginis | Low-res Spectrum - An amateur first?
Type: QSO | C-LC | P-LC
Coords: (2000) 12h29.1m +0203'
Magnitude range: 11.90 to 13.90
Sequence chart: JT840715 | @
Total observations: 1182

BK Virginis
Type: SRB
Period: 150d?
Coords: (2000) 12h30.4m +0425'
Magnitude range: 7.20 to 8.80
Sequence chart: DAP740121
Total observations: 130

SN1991T Virginis (NGC4527)
Type: SN | O-LC
Coords: (1950) 12h31m37s +0256'28"
Magnitude range: 11.10 to 13.80
Sequence chart: SN/018.01
Total observations: 27

SN1999cl Comae Berenices (NGC4501)
Type: SN | O-LC
Coords: (2000) 12h31m56s +1425'33"
Magnitude range: 13.40 to 14.60
Sequence chart: SN/040.01
Total observations: 15

AL Comae Berenices | Report on the Warner Symposium on CVs
Type: UGSU | A-LC
Coords: (2000) 12h32m26s +1421.0'
Magnitude range: 11.96 to [16.50
Sequence chart: TA950406
Total observations: 572

RW Comae Berenices
Type: EW
Period: .24d
Coords: (2000) 12h33.0m +2643'
Magnitude range: 11.30 to 11.50
Sequence chart: JEI860706
Total observations: 7

SN1994D Virginis (NGC4526)
Type: SN | O-LC
Coords: (2000) 12h34m05s +0741.0'
Magnitude range: 12.09 to 15.36
Sequence chart: SN/23.01
Total observations: 29

SV1234+27 Comae Berenices
Type: not listed
Coords: (1950) 12h34.3m +2731'
Magnitude range: 10.40 to 10.82
Sequence chart: JT060691
Total observations: 5

RZ Comae Berenices
Type: EW
Period: .34d
Coords: (2000) 12h35.1m +2320'
Magnitude range: 10.30 to 10.90
Sequence chart: JEI860706
Total observations: 6

T Ursae Majoris
Type: M | P-LC | O-LC
Period: 257d
Coords: (2000) 12h36.4m +5929'
Magnitude range: 6.30 to 13.85
Sequence chart: 066.01
Total observations: 14878

R Virginis
Type: M | O-LC
Period: 145.63d
Coords: (2000) 12h38m30s +0659'19"
Magnitude range: 6.80 to 11.30
Total observations: 46

RS Ursae Majoris
Type: M | O-LC
Period: 258.97d
Coords: (2000) 12h38m58s +5829'01"
Magnitude range: 8.40 to 14.60
Total observations: 85

IR Comae Berenices (S10932)
Type: UGSU+E
Coords: (2000) 12h39m32s +2108'06"
Magnitude range: 14.10 to [15.30
Total observations: 192

Y Ursae Majoris
Type: SRB
Period: 168d?
Coords: (2000) 12h40m21s +5550'44"
Magnitude range: 8.10 to 8.30
Total observations: 5

UW Centauri
Type: RCB | O-LC
Coords: (2000) 12h43m17s -5431'37"
Magnitude range: 9.20 to [15.50
Total observations: 139

S Ursae Majoris
Type: M | P-LC | O-LC
Period: 225.87d
Coords: (2000) 12h43m57s +6105'35"
Magnitude range: 6.74 to 13.00
Sequence chart: RGA 1959-61
Total observations: 15247

TX Canum Venaticorum
Type: ZAND
Coords: (2000) 12h44.7m +3646'
Magnitude range: 7.40 to 11.30
Sequence chart: 078.01 | @
Total observations: 1191

Y Canum Venaticorum | PEP from Ryde
Type: SRB | P-LC
Period: 157d
Coords: (2000) 12h45.1m +4526'
Magnitude range: 4.70 to 8.00
Sequence chart: 215.01
Total observations: 4499

SN1997bp Virginis (NGC4680)
Type: SN
Coords: (2000) 12h46m55s -1138.3'
Magnitude range: 14.00 to 14.00
Total observations: 1

U Canum Venaticorum
Type: M | O-LC
Period: 345.65d
Coords: (2000) 12h47m19s +3822'32"
Magnitude range: 9.00 to 15.00
Sequence chart: 1983 Mar
Total observations: 374

EsB365 Crucis (Hen183)
Type: L? | O-LC
Coords: (2000) 12h47m25s -5941'41"
Magnitude range: 8.50 to 10.80
Total observations: 151

SN1997x Virginis (NGC4691)
Type: SN
Coords: (2000) 12h48m14s -0319'59"
Magnitude range: 14.60 to 14.60
Total observations: 1

NSV5976 Canum Venaticorum (SAO44343) | Suspected Binocular Variables in Hipparcos data
Type: not listed
Coords: (2000) 12h49m38s +4844'24"
Magnitude range: 6.70 to 6.70
Total observations: 16

3C279 Virginis
Type: QSO | C-LC
Coords: (1950) 12h53.6m -0531'
Magnitude range: 14.30 to 16.00
Sequence chart: GMH920516
Total observations: 391

TU Canum Venaticorum
Type: SRB | P-LC
Period: 50d
Coords: (2000) 12h54.9m +4712'
Magnitude range: 5.30 to 6.60
Sequence chart: 215.01
Total observations: 4275

REJ1255+266 Comae Berenices
Type: UG?
Coords: (2000) 12h55m11s +2642'28"
Magnitude range: ? to [15.30
Total observations: 2

RY Draconis | Binocular priority stars in 1995
Type: SRB? | P-LC
Period: 200d?
Coords: (2000) 12h56.4m +6600'
Magnitude range: 5.86 to 8.70
Sequence chart: 225.01 | @
Total observations: 8140

GO Comae Berenices
Type: UGSU | A-LC
Coords: (2000) 12h56m37s +2636'43"
Magnitude range: 13.00 to [15.30
Sequence chart: TA900913
Total observations: 351


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