Observation bulletin for BL LYRAE, JD 2452903
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Sky image of variable star BL-LYR (BL LYRAE) on the night of JD2452903. Identification sketch for variable star BL-LYR (BL LYRAE) on the night of JD2452903.

Result in AAVSO format:

1858+25 BL LYR    2452903.2502<17.00K CCDV 107,119,109AVSOMAT CUA                                                                                  


Using Tycho-VT reference stars, transformed to Johnson:

NAME    MAG        GSC-1 ID        GSC-2 ID
1J    10.76    GSC2126-0409     N0222233257
3N    11.94    GSC2126-0148     N0222233252
J     10.91    GSC2126-1890     N0222233240


FITS HEADER:

RESOLUTION (bit/pixel): 
IMAGE SIZE:  x 
DEG PER PIXEL:  x 
CCD BINNING: 2 x 2
SENSOR TEMP (K): 238.2
EXP TIME (s): 10.000

OBJECT: bllyr
JDATE EXP START: 2452903.25024029
RA: 19:02:34.18
DEC: 25:50:27.9
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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