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> Martin Lehky (Hradec Králové, CZ (MPC 048))

STAR
Coordinates RA DE:

Belong to project:	B.R.N.O. MEDUZA TRESCA HERO


> Light curve and airmass <

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JD format:	geocentric heliocentric

date:	10.5.2011 19:44-21:39 UT


Photometric filter:	U B V R I Clear u v b y (Strömgren phot. system) other:

Photometric system:	instrumental standardní photometric system UBVRcIc

Notes:	# NAME EF CVn # VAR 13:36:38.42 +28:11:40.6 2452308.4873 0.2720494 13.08-13.56c EW (VSX 20110511) # OBS Martin Lehky (Hradec Kralove CZ; 0.25-m f/4 reflector + CCD ST7) # FLT R # RED CMunipack 1.1.26 + AVE 2.51 # NOTE 10/11 V 2011; R_72_90s (66/35); minimum S # NOTE 2455692.36209 +/- 0.00023; 20110510 20:41:25 (UT) GEO # COND clear weather info

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GCVS:
star: EF CVn
RA2000:
DE2000:
type: EW
max: 13.08
min: 13.56
band: *
epoch: 52308.4873
year:
period: 0.2720494
M-m:
spectrum:

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> All observations:

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