Observation bulletin for AB LYRAE, JD 2452840
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Sky image of variable star AB-LYR (AB LYRAE) on the night of JD2452840. Identification sketch for variable star AB-LYR (AB LYRAE) on the night of JD2452840.

Result in AAVSO format:

1903+33 AB LYR    2452840.3977 11.40K CCDV 113,118,83 AVSOMAT CXR                                                                                  


Using Tycho-VT reference stars, transformed to Johnson:

NAME    MAG        GSC-1 ID        GSC-2 ID
2K    11.40    GSC2644-0351       N02221025
CY    11.82    GSC2644-0173       N02221021
A      8.31    GSC2644-0107      N022210215


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: ablyr
JDATE EXP START: 2452840.39766575
RA: 19:07:00.33
DEC: 33:43:32.0
EQUINOX: 

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

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

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