Result in AAVSO format: 2158+41 BL LAC 2453236.5286 13.48 K CCDV113,117,118AVSOMAT CXR Using Tycho-VT reference stars, transformed to Johnson: NAME MAG GSC-1 ID GSC-2 ID 1B 11.39 GSC3206-1959 N0323031552 2O 11.75 GSC3206-1639 N0323031627 3X 11.83 GSC3206-1511 N0323031603 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: bllac JDATE EXP START: 2453236.52857976 RA: 22:02:43.29 DEC: 42:16:39.9 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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