Observation bulletin for RR OPHIUCHI, JD 2453189
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Sky image of variable star RR-OPH (RR OPHIUCHI) on the night of JD2453189. Identification sketch for variable star RR-OPH (RR OPHIUCHI) on the night of JD2453189.

Result in AAVSO format:

1643-19 RR OPH    2453189.3864 12.91 K CCDV114,108,114AVSOMAT CXR                                                                                  


Using Tycho-VT reference stars, transformed to Johnson:

NAME    MAG        GSC-1 ID        GSC-2 ID
Q     11.49    GSC6226-1723     S2230110401
15    10.84    GSC6226-1140     S2230110421
21    11.44    GSC6226-1010     S2233220355


FITS HEADER:

RESOLUTION (bit/pixel): 
IMAGE SIZE:  x 
DEG PER PIXEL:  x 
CCD BINNING: 2 x 2
SENSOR TEMP (K): 238.9
EXP TIME (s): 10.000

OBJECT: rroph
JDATE EXP START: 2453189.38641855
RA: 16:49:02.44
DEC: -19:27:51.9
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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