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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:	20.4.2018 22:3-1:6 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 GU Boo # VAR 15:21:54.82 +33:56:09.9 2451275.87500 0.48873 13.1-13.7R1 EA (VSX 20180421) # OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD G2-1600) # FLT VRc # RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz # NOTE 20/21 IV 2018; V_75_90s (61/45); Rc_75_60s (61/46); 3.1h; minimum P # NOTE FLT V 2458229.51672 +/- 0.00011; 20180421 00:24:05 (UT) GEO # NOTE FLT Rc 2458229.51660 +/- 0.00007; 20180421 00:23:54 (UT) GEO # NOTE FLT VRc average 2458229.51666 +/- 0.00011; 20180421 00:23:59 (UT) GEO # COND clear weather info

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Postal address:
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Station:
Instrument:

GCVS:
star: GU Boo
RA2000:
DE2000:
type: EA
max: 13.1
min: 13.7
band: R
epoch: 54936.462
year:
period: 0.488730
M-m: 10
spectrum:

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