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OBSERVING CAMPAIGNS NEW

Expired Campaigns

OBSERVING PROJECTS

B.R.N.O. - eclipsing binaries

MEDUZA - intrinsic variables

TRESCA - exoplanets

HERO - high energy objects

OBSERVERS LOG

User-defined objects

ABOUT US

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Perseus Bulletin

J. Silhan price "The Observer of the year"

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Open European Journal on Variable stars

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CzeV Catalogue

SvkV Catalogue

RafV Catalogue

MEDUZA light curves & data

Known eclipsing binaries

Data statistics

Exoplanet Transit Database

CAS - Czech Astronomical Society


 

 

 

 

Observers log

> ALL AVAILABLE OBSERVATION

Observed objects:  all | aan | ASASSN-18aan Cas | abj | ASASSN-18abj | abl | ASASSN-18abl | And | ASASSN-15po And | KV And | LL And | PNVJ0044 And | PQ And | PT And | PX And | QR And | SDSSJ0129 And | TCPJ0059 And | V 455 And | V 466 And | V0515 And | V0744 And | XM78HT And | Z And | Aql | ASASSN-20kv Aql | ASASSN-20nm Aql | ASASSN-21mi Aql | CzeV894 Aql | DH Aql | KX Aql | TCPJ2003 Aql | V 603 Aql | V1413 Aql | V1432 Aql | Aqr | FO Aqr | StHA190 Aqr | VY Aqr | Ari | ASASSN-15bu Ari | OTJ0302 Ari | SV Ari | TT Ari | Aur | ASASSN-15dp Aur | OT_J0711 Aur | RXJ0636 Aur | TCPJ0539 Aur | V 363 Aur | V0405 Aur | V0647 Aur | V647 Aur | var102 Aur | var107 Aur | var19 Aur | Boo | BG Boo | CR Boo | NZ Boo | OV Boo | SDSS1525 Boo | SDSSJ1430 Boo | TCPJ1422 Boo | UZ Boo | Cam | ASASSN-14mj Cam | ASASSN-21tr Cam | ASASSN-22dq Cam | BR Cam | BZ Cam | HT Cam | MU Cam | NN Cam | TCPJ0551 Cam | V0391 Cam | V342 Cam | V470 Cam | Cas | ASASSN-15sc Cas | ASASSN-16kf Cas | GX Cas | HT Cas | KP Cas | V 627 Cas | V0452 Cas | V0709 Cas | V0723 Cas | V1391 Cas | V1405 Cas | V452 Cas | V723 Cas | Cep | 2MASSJ2138 | Cet | BO Cet | CMi | BG CMi | Cnc | ASASSN-21er Cnc | DW Cnc | EG Cnc | GZ Cnc | OJ287 Cnc | YZ Cnc | Com | AL Com | GO Com | CrB | T CrB | CVn | ASASSN-16fy CVn | Cyg | 1SWASP J191811.83+490745.5 Cyg | BF Cyg | CH Cyg | EM Cyg | Gaia16aye Cyg | Gaia21efs Cyg | MisV1448 Cyg | OT_J1918 Cyg | RXJ2133 Cyg | SN 2017eaw Cyg | SS Cyg | TCPJ2022 Cyg | TCPJ2104 Cyg | V 407 Cyg | V 632 Cyg | V0404 Cyg | V0507 Cyg | V0632 Cyg | V1006 Cyg | V1028 Cyg | V1113 Cyg | V1114 Cyg | V1251 Cyg | V1363 Cyg | V1454 Cyg | V1490 Cyg | V1491 Cyg | V2306 Cyg | V2467 Cyg | V337 Cyg | V407 Cyg | V503 Cyg | Del | HO Del | Dra | 3C371 Dra | AG Dra | ASASSN-13cz Dra | ASASSN-14cv Dra | ASASSN-14fc Dra | ASASSN-17eq Dra | ASASSN-17qh Dra | ASASSN-19fy Dra | Carter_SDSSJ1730 Dra | CM Dra | DO Dra | DS Dra | EX Dra | KIC11390 Dra | KIC11390659 Dra | KV Dra | OTJ1435 Dra | OTJ1833 Dra | OV Dra | ZTF20actzmzp Dra | Equ | ASASSN-19rx Equ | Eri | AQ Eri | KT Eri | Gem | ASASSN-14mv Gem | ASASSN-20og Gem | CI Gem | IR Gem | PQ Gem | RXJ0704 Gem | Her | AM Her | ASASSN-15hd Her | ASASSN-15jd Her | ASASSN-15ni Her | ASASSN-16eg Her | ASASSN-20jl Her | ATLAS20yzy Her | CzeV404 Her | CzeV729 Her | DDE163 Her | Mrk501 Her | NY Her | OTJ1727 Her | PR Her | QSO J163629.0+251158 Her | SDSS1619 Her | V 660 Her | V 795 Her | V0795 Her | V0844 Her | V1084 Her | V1117 Her | V1323 Her | V1674 Her | V592 Her | V660 Her | V795 Her | V844 Her | hon | 3200 Phaethon | Lac | ASASSN-19sk Lac | AY Lac | Leo | AD Leo | RZ Leo | SDSS0928 Leo | LMi | ASASSN-19pe LMi | RZ LMi | SX LMi | lus | 174P Echeclus | Lyn | ASAS5SN-15cr Lyn | ASASSN-20pb Lyn | EQ Lyn | OTJ0733 Lyn | SDSS0804 Lyn | SDSS0837 Lyn | SDSSJ0732 Lyn | TCPJ0736 Lyn | Lyr | ASASSN-21fr Lyr | AY Lyr | DM Lyr | HR Lyr | MV Lyr | V 419 Lyr | V585 Lyr | Mon | FQ Mon | V 694 Mon | olb | ATLAS18olb | Oph | Abell 43 Oph | ASAS5SN-17es Oph | ASASSN-15km Oph | ASASSN-18ey Oph | OTJ1627 Oph | RS Oph | V 959 Oph | V2779 Oph | Ori | GR Ori | V0650 Ori | V1159 Ori | V2837 Ori | Peg | 3C454.3 Peg | ASASSN-14cl Peg | CRTSJ2158 Peg | IP Peg | V 368 Peg | V521 Peg | V624 Peg | V627 Peg | var79 Peg | Per | 3C84 Per | GK Per | OTJ0426 Per | UV Per | V0368 Per | V0392 Per | V0872 Per | V1024 Per | Psc | AO Psc | EI Psc | GV Psc | TY Psc | USNO-1.0-1220-0018246 Psc | ZZ Psc | Sco | U Sco | Ser | ASASSN-16ez Ser | LX Ser | NY Ser | QW Ser | QZ Ser | RXJ1525 Ser | TCP_J1605 Ser | V418 Ser | V493 Ser | Sex | VZ Sex | Sge | AW Sge | GL Sge | RZ Sge | V Sge | Tau | NSV2026 Tau | V0471 Tau | V0701 Tau | Tri | RW Tri | TT Tri | TU Tri | USNO-B1.0-1222-0037514 Tri | UW Tri | UMa | ASAS5SN-17fn UMa | BC UMa | BZ UMa | CH UMa | CI UMa | CY UMa | DV UMa | DW UMa | EL UMa | ER UMa | IY UMa | MR UMa | Mrk421 UMa | SDSS1400 UMa | SU UMa | SW UMa | UMi | ASASSN-13bj UMi | ASASSN-21au UMi | SS UMi | Vir | 3C273 Vir | 3C279 Vir | ASASSN-15bp Vir | HS Vir | HV Vir | OU Vir | QZ Vir | Vul | ASASSN-19xw Vul | V0606 Vul |

Use filter according to obs. project:
all, B.R.N.O., MEDÚZA, TRESCA, HERO
# star ^ v
project 		date ^ v filter light curve chart
data		 station
observer ^ v		 Instrument
note		 inserted ^ v
38OU Vir
 
HERO		11.3.2022
0:15-3:20 UT		Cchart
87		AO Kolonica
Pavol A. Dubovsky		PÚPAVA RL 280/1500
#Observatory>Kolonica
#Observer>DPV
#Telescope>Pupava
#Instrument>MII G2-1600
#Filter/Exposure>Clear 120s
#Target>OUVir
#Position>14:35:00.22;-00:46:06.3
#MainComp>14:35:06.76;-00:47:09.7;B=12.91;V=12.39
#Source>LONEOS
#Time system>JD geocentric
#Magnitude system>DIF
#Reduction process>Ensemble photometry with CoLiTecVS and MCV
#Comment>

info		2022-03-26
373C273 Vir
 
HERO		22.4.2020
20:32-0:7 UT		Rchart
102		Hvezdáreň Roztoky
Jozef Leško		NWT 200/1000 + MI G2-1600
info		2020-05-11
363C273 Vir
 
HERO		21.4.2020
20:48-0:3 UT		Rchart
92		Hvezdáreň Roztoky
Jozef Leško		NWT 200/1000 + MI G2-1600
info		2020-05-11
353C273 Vir
 
HERO		20.4.2020
0:20-1:53 UT		I12AO Kolonica
Pavol A. Dubovsky		VNT RL 1000/9000
#Observatory>Kolonica
#Observer>Medulka
#Telescope>VNT
#Instrument>FLI
#Filter>I
#Exposure>120.0
#Target>3C 273
#Position>12:29:06.70;+02:03:08.6
#MainComp>12:29:03.18;+02:03:18.5;B=14.147;V=13.526;BV=0.621;Rc=13.209;Ic=12.91;J=12.374;H=12.124;K=12.056
#Source>APASS
#Time system>JD heliocentric
#Magnitude system>ABS
#Reduction process>Ensemble photometry with CoLiTecVS
#Comment>

info		2020-04-27
343C273 Vir
 
HERO		20.4.2020
0:16-1:13 UT		Vchart
7		AO Kolonica
Pavol A. Dubovsky		VNT RL 1000/9000
#Observatory>Kolonica
#Observer>Medulka
#Telescope>VNT
#Instrument>FLI
#Filter>V
#Exposure>180.0
#Target>3C 273
#Position>12:29:06.70;+02:03:08.6
#MainComp>12:29:03.18;+02:03:18.5;B=14.147;V=13.526;BV=0.621;Rc=13.209;Ic=12.91;J=12.374;H=12.124;K=12.056
#Source>APASS
#Time system>JD heliocentric
#Magnitude system>ABS
#Reduction process>Ensemble photometry with CoLiTecVS
#Comment>

info		2020-04-27
333C273 Vir
 
HERO		20.4.2020
0:11-1:51 UT		R13AO Kolonica
Pavol A. Dubovsky		VNT RL 1000/9000
#Observatory>Kolonica
#Observer>Medulka
#Telescope>VNT
#Instrument>FLI
#Filter>R
#Exposure>120.0
#Target>3C 273
#Position>12:29:06.70;+02:03:08.6
#MainComp>12:29:03.18;+02:03:18.5;B=14.147;V=13.526;BV=0.621;Rc=13.209;Ic=12.91;J=12.374;H=12.124;K=12.056
#Source>APASS
#Time system>JD heliocentric
#Magnitude system>ABS
#Reduction process>Ensemble photometry with CoLiTecVS
#Comment>

info		2020-04-27
323C273 Vir
 
HERO		15.4.2020
21:48-0:59 UT		Rchart
91		Hvezdáreň Roztoky
Jozef Leško		NWT 200/1000 + MI G2-1600
info		2020-05-11
313C273 Vir
 
HERO		31.3.2020
0:34-2:57 UT		I18AO Kolonica
Pavol A. Dubovsky		VNT RL 1000/9000
#Observatory>Kolonica
#Observer>Medulka
#Telescope>VNT
#Instrument>FLI
#Filter>I
#Exposure>120.0
#Target>3C 273
#Position>12:29:06.70;+02:03:08.6
#MainComp>12:29:03.18;+02:03:18.5;B=14.147;V=13.526;BV=0.621;Rc=13.209;Ic=12.91;J=12.374;H=12.124;K=12.056
#Source>APASS
#Time system>JD heliocentric
#Magnitude system>ABS
#Reduction process>Ensemble photometry with CoLiTecVS
#Comment>

info		2020-04-01
303C273 Vir
 
HERO		31.3.2020
0:32-2:47 UT		R18AO Kolonica
Pavol A. Dubovsky		VNT RL 1000/9000
#Observatory>Kolonica
#Observer>Medulka
#Telescope>VNT
#Instrument>FLI
#Filter>R
#Exposure>120.0
#Target>3C 273
#Position>12:29:06.70;+02:03:08.6
#MainComp>12:29:03.18;+02:03:18.5;B=14.147;V=13.526;BV=0.621;Rc=13.209;Ic=12.91;J=12.374;H=12.124;K=12.056
#Source>APASS
#Time system>JD heliocentric
#Magnitude system>ABS
#Reduction process>Ensemble photometry with CoLiTecVS
#Comment>

info		2020-04-01
293C273 Vir
 
HERO		31.3.2020
0:29-2:45 UT		V18AO Kolonica
Pavol A. Dubovsky		VNT RL 1000/9000
#Observatory>Kolonica
#Observer>Medulka
#Telescope>VNT
#Instrument>FLI
#Filter>V
#Exposure>180.0
#Target>3C 273
#Position>12:29:06.70;+02:03:08.6
#MainComp>12:29:03.18;+02:03:18.5;B=14.147;V=13.526;BV=0.621;Rc=13.209;Ic=12.91;J=12.374;H=12.124;K=12.056
#Source>APASS
#Time system>JD heliocentric
#Magnitude system>ABS
#Reduction process>Ensemble photometry with CoLiTecVS
#Comment>

info		2020-04-01
283C273 Vir
 
HERO		28.3.2020
23:2-3:5 UT		Ichart
32		AO Kolonica
Pavol A. Dubovsky		VNT RL 1000/9000
#Observatory>Kolonica
#Observer>Medulka
#Telescope>VNT
#Instrument>FLI
#Filter>I
#Exposure>120.0
#Target>3C 273
#Position>12:29:06.70;+02:03:08.6
#MainComp>12:29:03.18;+02:03:18.5;B=14.147;V=13.526;BV=0.621;Rc=13.209;Ic=12.91;J=12.374;H=12.124;K=12.056
#Source>APASS
#Time system>JD heliocentric
#Magnitude system>ABS
#Reduction process>Ensemble photometry with CoLiTecVS
#Comment>

info		2020-03-29
273C273 Vir
 
HERO		28.3.2020
23:0-3:10 UT		R25AO Kolonica
Pavol A. Dubovsky		VNT RL 1000/9000
#Observatory>Kolonica
#Observer>Medulka
#Telescope>VNT
#Instrument>FLI
#Filter>R
#Exposure>120.0
#Target>3C 273
#Position>12:29:06.70;+02:03:08.6
#MainComp>12:29:03.18;+02:03:18.5;B=14.147;V=13.526;BV=0.621;Rc=13.209;Ic=12.91;J=12.374;H=12.124;K=12.056
#Source>APASS
#Time system>JD heliocentric
#Magnitude system>ABS
#Reduction process>Ensemble photometry with CoLiTecVS
#Comment>

info		2020-03-29
263C273 Vir
 
HERO		28.3.2020
22:57-3:7 UT		Vchart
30		AO Kolonica
Pavol A. Dubovsky		VNT RL 1000/9000
#Observatory>Kolonica
#Observer>Medulka
#Telescope>VNT
#Instrument>FLI
#Filter>V
#Exposure>180.0
#Target>3C 273
#Position>12:29:06.70;+02:03:08.6
#MainComp>12:29:03.18;+02:03:18.5;B=14.147;V=13.526;BV=0.621;Rc=13.209;Ic=12.91;J=12.374;H=12.124;K=12.056
#Source>APASS
#Time system>JD heliocentric
#Magnitude system>ABS
#Reduction process>Ensemble photometry with CoLiTecVS
#Comment>

info		2020-03-29
253C273 Vir
 
HERO		27.3.2020
21:39-1:25 UT		Ichart
22		AO Kolonica
Pavol A. Dubovsky		VNT RL 1000/9000
#Observatory>Kolonica
#Observer>Medulka
#Telescope>VNT
#Instrument>FLI
#Filter>I
#Exposure>120.0
#Target>3C 273
#Position>12:29:06.70;+02:03:08.6
#MainComp>12:29:03.18;+02:03:18.5;B=14.147;V=13.526;BV=0.621;Rc=13.209;Ic=12.91;J=12.374;H=12.124;K=12.056
#Source>APASS
#Time system>JD heliocentric
#Magnitude system>ABS
#Reduction process>Ensemble photometry with CoLiTecVS
#Comment>

info		2020-03-29
243C273 Vir
 
HERO		27.3.2020
21:37-2:1 UT		R30AO Kolonica
Pavol A. Dubovsky		VNT RL 1000/9000
#Observatory>Kolonica
#Observer>Medulka
#Telescope>VNT
#Instrument>FLI
#Filter>R
#Exposure>120.0
#Target>3C 273
#Position>12:29:06.70;+02:03:08.6
#MainComp>12:29:03.18;+02:03:18.5;B=14.147;V=13.526;BV=0.621;Rc=13.209;Ic=12.91;J=12.374;H=12.124;K=12.056
#Source>APASS
#Time system>JD heliocentric
#Magnitude system>ABS
#Reduction process>Ensemble photometry with CoLiTecVS
#Comment>

info		2020-03-29
233C273 Vir
 
HERO		27.3.2020
21:30-1:58 UT		V33AO Kolonica
Pavol A. Dubovsky		VNT RL 1000/9000
#Observatory>Kolonica
#Observer>Medulka
#Telescope>VNT
#Instrument>FLI
#Filter>V
#Exposure>180.0
#Target>3C 273
#Position>12:29:06.70;+02:03:08.6
#MainComp>12:29:03.18;+02:03:18.5;B=14.147;V=13.526;BV=0.621;Rc=13.209;Ic=12.91;J=12.374;H=12.124;K=12.056
#Source>APASS
#Time system>JD heliocentric
#Magnitude system>ABS
#Reduction process>Ensemble photometry with CoLiTecVS
#Comment>

info		2020-03-29
22HS Vir
 
HERO		15.3.2020
23:6-1:1 UT		Cchart
53		AO Kolonica
Pavol A. Dubovsky		Celestron 14
#Observatory>Kolonica
#Observer>Medulka
#Telescope>C14
#Instrument>MII G2-1600
#Filter>Clear
#Exposure>120.0
#Target>HS Vir
#Position>13:43:38.44;-08:14:03.9
#MainComp>13:43:41.47;-08:16:53.8;B=14.305;V=13.553;BV=0.752;J=12.215;H=11.927;K=11.806
#Source>Henden
#Time system>JD geocentric
#Magnitude system>DIF
#Reduction process>Ensemble photometry with CoLiTecVS and MCV
#Comment>


info		2020-03-27
21HS Vir
 
HERO		24.4.2017
19:59-0:53 UT		Cchart
247		AO Kolonica
Pavol A. Dubovsky		Celestron 14
CCD+Clear; exp 60s
C14 356/3910 + MII G2-1600 + DPV
Images calibrated with OLDAS; Ensemble photometry with C-Munipack and MCV, MainComp: 13:43:41.47, -08:16:53.8; B=14.305 V=13.553 (Henden)
JD geocentric, V-C magnitudes
info		2017-04-29
203C279 Vir
 
HERO		5.4.2016
21:5-1:24 UT		I26AO Kolonica
Pavol A. Dubovsky		VNT RL 1000/9000
CCD+I; exp 120s
VNT 1000/9000 + FLI PL1001E + DPV
Id: 3C 279, Position: 125611.17 -054721.5 (J2000), Vir
Ensamble photometry with C-Munipack and MCV, MainComp = UCAC4 421-057715, B=13.007 V=12.408 (Henden) R=12.074 I=11.69 (APASS)
JD geocentric, differential magnitudes
info		2016-04-11
193C279 Vir
 
HERO		5.4.2016
21:3-1:22 UT		R25AO Kolonica
Pavol A. Dubovsky		VNT RL 1000/9000
CCD+R; exp 120s
VNT 1000/9000 + FLI PL1001E + DPV
Id: 3C 279, Position: 125611.17 -054721.5 (J2000), Vir
Ensamble photometry with C-Munipack and MCV, MainComp = UCAC4 421-057715, B=13.007 V=12.408 (Henden) R=12.074 I=11.69 (APASS)
JD geocentric, differential magnitudes
info		2016-04-11
183C279 Vir
 
HERO		5.4.2016
21:1-0:59 UT		V25AO Kolonica
Pavol A. Dubovsky		VNT RL 1000/9000
CCD+V; exp 120s
VNT 1000/9000 + FLI PL1001E + DPV
Id: 3C 279, Position: 125611.17 -054721.5 (J2000), Vir
Ensamble photometry with C-Munipack and MCV, MainComp = UCAC4 421-057715, B=13.007 V=12.408 (Henden) R=12.074 I=11.69 (APASS)
JD geocentric, differential magnitudes
info		2016-04-11
173C279 Vir
 
HERO		5.4.2016
20:58-0:47 UT		Bchart
24		AO Kolonica
Pavol A. Dubovsky		VNT RL 1000/9000
CCD+B; exp 180s
VNT 1000/9000 + FLI PL1001E + DPV
Id: 3C 279, Position: 125611.17 -054721.5 (J2000), Vir
Ensamble photometry with C-Munipack and MCV, MainComp = UCAC4 421-057715, B=13.007 V=12.408 (Henden) R=12.074 I=11.69 (APASS)
JD geocentric, differential magnitudes
info		2016-04-11
16HV Vir
 
HERO		19.3.2016
19:58-0:31 UT		Cchart
425		AO Kolonica
Pavol A. Dubovsky		Celestron 11
CCD+Clear; exp 30s
C11 280/2800 + MII G2-1600 + DPV
Ensamble photometry with C-Munipack and MCV, MainComp = URAT1 460-132410, B=14.603 V=14.095 Rc=13.772 Ic=13.467 (Henden)
JD geocentric, V-C magnitudes
info		2016-03-21
15HV Vir
 
HERO		17.3.2016
21:33-23:51 UT		Cchart
235		AO Kolonica
Pavol A. Dubovsky		Celestron 11
CCD+Clear; exp 30s
C11 280/2800 + MII G2-1600 + DPV
Ensamble photometry with C-Munipack and MCV, MainComp = URAT1 460-132410, B=14.603 V=14.095 Rc=13.772 Ic=13.467 (Henden)
JD geocentric, V-C magnitudes
info		2016-03-18
14HV Vir
 
HERO		16.3.2016
22:15-3:43 UT		Cchart
567		AO Kolonica
Pavol A. Dubovsky		Celestron 11
CCD+Clear; exp 30s
C11 280/2800 + MII G2-1600 + DPV
Ensamble photometry with C-Munipack and MCV, MainComp = URAT1 460-132410, B=14.603 V=14.095 Rc=13.772 Ic=13.467 (Henden)
JD geocentric, V-C magnitudes
info		2016-03-18
13QZ Vir
 
HERO		24.3.2015
21:5-22:53 UT		C43AO Kolonica
Pavol A. Dubovsky		Celestron 11
CCD+Clear; exp 120s
C11 280/2800 + MII G2-1600 + DPV
Ensamble photometry with C-Munipack and MCV, MainComp = UCAC4 467-045589, V=12.781 B-V=0.659 (Henden)
JD geocentric, V-C magnitudes
info		2015-03-30
12QZ Vir
 
HERO		23.3.2015
18:45-1:3 UT		C175AO Kolonica
Pavol A. Dubovsky		Celestron 11
CCD+Clear; exp 120s
C11 280/2800 + MII G2-1600 + DPV
Ensamble photometry with C-Munipack and MCV, MainComp = UCAC4 467-045589, V=12.781 B-V=0.659 (Henden)
JD geocentric, V-C magnitudes
info		2015-03-30
11QZ Vir
 
HERO		17.3.2015
21:6-2:43 UT		C154AO Kolonica
Pavol A. Dubovsky		Celestron 11
CCD+Clear; exp 120s
C11 280/2800 + MII G2-1600 + DPV
Ensamble photometry with C-Munipack and MCV, MainComp = UCAC4 467-045589, V=12.781 B-V=0.659 (Henden)
JD geocentric, V-C magnitudes
info		2015-03-22
10QZ Vir
 
HERO		16.3.2015
19:57-1:27 UT		C152AO Kolonica
Pavol A. Dubovsky		Celestron 11
CCD+Clear; exp 120s
C11 280/2800 + MII G2-1600 + DPV
Ensamble photometry with C-Munipack and MCV, MainComp = UCAC4 467-045589, V=12.781 B-V=0.659 (Henden)
JD geocentric, V-C magnitudes
info		2015-03-22
9QZ Vir
 
HERO		9.3.2015
22:21-2:20 UT		Vchart
212		AO Kolonica
Pavol A. Dubovsky		Celestron 11
CCD+V; exp 60s
C11 280/2800 + MII G2-1600 + DPV
Ensamble photometry with C-Munipack and MCV, MainComp = UCAC4 467-045589, V=12.781 B-V=0.659 (Henden)
JD geocentric, V-C magnitudes
info		2015-03-11

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Observers log is free function of our web server var.astro.cz. Any registered observer can maintain his own observation here in well-arranged and backuped way.

Created by Lubos Brat (2007-2008), Czech Variable Star Section