Result in AAVSO format:

1921+21 WW VUL    2453261.3707 11.01 K CCDV124,118,121AVSOMAT CUA                                                                                  


Using Tycho-VT reference stars, transformed to Johnson:

NAME    MAG        GSC-1 ID        GSC-2 ID
2W    12.45    GSC1612-0245     N0230322416
13    11.83    GSC1612-0263     N0230322407
51    12.12    GSC1612-0554     N0230322445


FITS HEADER:

RESOLUTION (bit/pixel): 
IMAGE SIZE:  x 
DEG PER PIXEL:  x 
CCD BINNING: 2 x 2
SENSOR TEMP (K): 238.3
EXP TIME (s): 10.000

OBJECT: wwvul
JDATE EXP START: 2453261.37065464
RA: 19:25:59.70
DEC: 21:12:33.0
EQUINOX: 

OBSERVER: R.Corlan
LATITUDE: 44:25:50.0
LONGITUDE: -26:06:50.0
ALTITUDE: 75.0

INSTRUMENT: cpx3m
FILTER: v
TELESCOPE: SCT
FOCUS: Cassergrain
FOCAL LENGTH (cm): 200.0
APERTURE (cm): 30.0

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