The 3 columns in color are computed by VizieR, and are not part of the original data.

Note: USNO-A2.0 contains 526,280,881 sources, and is based on a re-reduction of the Precision Measuring Machine (PMM) scans from POSS-I O and E plates (>=-18°) and SRC-J and ESO-R plates (<=-20°). USNO-A2.0 was created by Dave Monet () and collaborators at Flagstaff Station, U.S. Naval Observatory.
The major difference between USNO-A2.0 and its previous version USNO-A1.0 is that A1.0 used the Guide Star Catalog as its reference frame whereas A2.0 uses the ICRF as realized by the USNO ACT catalog (Urban et al. 1997). The VizieR search engine uses an on-line compressed version (3.6Gbytes) which was generated at CDS.

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	USNO-A2.0	RAJ2000 deg	DEJ2000 deg	ACTflag	Mflag	Bmag mag	Rmag mag	Epoch yr
1	15.575	06 58 40.88880	+20 53 39.4116	1050-04615671	104.670370	+20.894281			19.2	18.4	1951.851
2	17.382	06 58 41.97888	+20 53 25.8432	1050-04616139	104.674912	+20.890512			19.2	18.1	1956.267
3	21.520	06 58 43.47144	+20 53 38.9508	1050-04616783	104.681131	+20.894153			16.4	15.4	1956.267
4	25.552	06 58 42.51816	+20 53 18.8700	1050-04616372	104.677159	+20.888575			17.4	16.4	1956.267
5	25.825	06 58 42.86088	+20 54 05.8032	1050-04616517	104.678587	+20.901612			16.6	15.7	1956.267

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	GSC2.2	RA(ICRS) deg	DE(ICRS) deg	Epoch yr	Rmag mag	e_ mag	Bjmag mag	e_ mag	Class	a pix	e
1	17.229	06 58 42.00120	+20 53 26.0016	N223323123503	104.675005	+20.890556	1989.842	18.35	0.38	19.40	0.36	3	2.52	0.22
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%3cEM%3e1&%3cFONT%20COLOR=%27#CD5B45%27>17.229&%3cFONT%20COLOR=%27#CD5B45%27>06%2058%2042.00120&%3cFONT%20COLOR=%27#CD5B45%27>%2b20%2053%2026.0016&N223323123503&104.675005&%2b20.890556&1989.842&18.35&%200.38&19.40&%200.36&3&%20%202.52&%200.22%3cBR%3e">\Ahref='VizieR-5?-ref=VIZ663bc5f822397c&-out.add=.&-source=I/271/out&GSC2.2===N22332024055' class='full'221.54806 58 43.47168+20 53 38.8248N22332024055104.681132+20.8941181989.84215.35 0.3716.73 0.350 3.32 0.02 325.56006 58 42.50856+20 53 18.8196N223323123475104.677119+20.8885611989.84216.49 0.3717.36 0.353 3.41 0.15 425.85206 58 42.88488+20 54 05.6448N22332024089104.678687+20.9015681989.84215.58 0.3716.69 0.350 3.32 0.04 %0a%0a%3cP%3e%0a%3cFONT%20SIZE=%27-1%27%3e%3cEM%3e%3cFONT%20COLOR=%27#0000FF%27>%3cB%3eNote:%20The%20%3cB%3eUSNO-B%20Catalog%20presents%20positions,%20proper%20motions,%20%0amagnitudes%20un%20blue,%20red%20and%20infrared,%20as%20well%20as%20star/galaxy%20estimators%0afor%201,045,175,762%20objects%20derived%20from%203,648,832,040%20separate%20observations.%0aThe%20data%20were%20taken%20from%20scans%20of%207,435%20Schmidt%20plates%0ataken%20from%20various%20sky%20surveys%20during%20the%20last%2050%20years.%3cBR%3e%0aUSNO-B1.0%20catalog%20was%20created%20by%20Dave%20Monet%20and%20collaborators%0aat%20http://www.nofs.navy.mil/data/fchpix/%20%3cBR%3e%0a%3cB%3e%3cFONT%20COLOR=%27#EE0000%27>%20Note%20that%20the%20star/galaxy%20estimators%20may%20be%20mixed%20up%0a%20in%20dense%20regions.%0a%3cP%3e%0a

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	USNO-B1.0	RAJ2000 deg	DEJ2000 deg	e_RAJ2000 mas	e_DEJ2000 mas	Epoch yr	pmRA mas/yr	pmDE mas/yr	Ndet	B1mag mag	R1mag mag	B2mag mag	R2mag mag	Imag mag
1	9.055	06 58 41.32080	+20 53 43.6020	1108-0139859	104.672170	+20.895445	87	93	1982.3	0	0	4		19.51	21.10	19.18	18.28
2	15.739	06 58 40.87872	+20 53 39.3000	1108-0139857	104.670328	+20.894250	95	35	1977.1	0	0	5	19.95	18.37	19.60	18.69	18.21
3	17.173	06 58 41.97816	+20 53 26.0520	1108-0139862	104.674909	+20.890570	119	98	1978.0	0	0	5	20.06	18.20	19.49	18.61	17.89
4	20.265	06 58 40.54488	+20 53 46.9428	1108-0139853	104.668937	+20.896373	308	190	1982.3	10	-24	4	20.11		20.59	19.73	18.57
5	21.347	06 58 43.45944	+20 53 38.9904	1108-0139872	104.681081	+20.894164	74	80	1978.0	0	0	5	16.51	15.34	16.75	15.76	14.98
6	22.165	06 58 42.29808	+20 53 21.5520	1108-0139866	104.676242	+20.889320	95	316	1980.0	40	252	3		18.24	20.07	19.53
7	25.350	06 58 42.49272	+20 53 18.9708	1108-0139867	104.677053	+20.888603	106	30	1978.0	0	0	5	17.51	16.48	17.41	16.74	16.33
8	25.888	06 58 42.87144	+20 54 05.7924	1109-0143439	104.678631	+20.901609	63	76	1978.0	6	-2	5	16.53	15.81	16.74	16.03	15.44

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	2UCAC	RAJ2000 [****ClosingBrace(s)Inserted****]
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RAJ2000

%22>%5cFONT SIZE=-1dege_
masDEJ2000
dege_
masUCmag
magNo

Nc

pmRA
mas/yrpmDE
mas/yr2Mkey

Jmag
magKmag
mag 121.41106 58 43.461960+20 53 38.8453239128634104.6810915 23+20.8941237 1815.86 3 2 -0.8 -5.1 13840544214.21013.606 %0a%0a%0a%3cP%3e%0a%3cFONT%20SIZE=%27-1%27%3e%3cEM%3e%3cFONT%20COLOR=%27#0000FF%27>%3cB%3eNote:%20The%20Naval%20Observatory%20Merged%20Astrometric%20Dataset%20%28NOMAD%29%20contains%0aastrometric%20and%20photometric%20data%20for%20over%201%20billion%20stars%20derived%20from%0athe%20Hipparcos%20%28I/239%29,%20Tycho-2%20%28I/259%29,%20UCAC2%20%28I/289%29,%20and%20USNO-B1.0%0a%28I/284%29%20catalogs%20for%20astrometry%20and%20optical%20photometry,%20supplemented%0aby%202MASS%20%28II/246%29%20near-infrared%20photometry.%3cBR%3e%0a%3cFONT%20SIZE=%27-1%27%3eAn%20efficient%20remote%20query%20program%20%3cB%3efindnomad1%20is%0aavailable%20in%20the%20cdsclient%20%0apackage,%20for%20Unix/Linux%20platforms%0a%3cP%3e%0a

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	NOMAD1	YM	RAJ2000 deg	DEJ2000 deg	r	pmRA mas/yr	e_ (...)	pmDE mas/yr	e_ (...)	Bmag mag	r_	Vmag mag	r_	Rmag mag	r_	Jmag mag	Hmag mag	Kmag mag	R
1	9.057	06 58 41.320656	+20 53 43.59984	1108-0143236	..	104.6721694	+20.8954444	B	0.0	0.0	0.0	0.0	21.100	B			19.180	B
2	15.740	06 58 40.878672	+20 53 39.30000	1108-0143234	..	104.6703278	+20.8942500	B	0.0	0.0	0.0	0.0	19.600	B			18.690	B
3	17.175	06 58 41.977992	+20 53 26.04984	1108-0143240	..	104.6749083	+20.8905694	B	0.0	0.0	0.0	0.0	19.490	B			18.610	B
4	20.267	06 58 40.544664	+20 53 46.93992	1108-0143230	..	104.6689361	+20.8963722	B	10.0	12.0	-24.0	7.0	20.590	B			19.730	B
5	21.410	06 58 43.461936	+20 53 38.84496	1108-0143250	YM	104.6810914	+20.8941236	C	-0.8	6.1	-5.1	6.1	17.540	Y	17.530	Y	15.760	B	14.210	13.703	13.606
6	22.167	06 58 42.298008	+20 53 21.54984	1108-0143244	..	104.6762417	+20.8893194	B	40.0	3.0	252.0	12.0	20.070	B			19.530	B
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6	22.167	06 58 42.298008	+20 53 21.54984	1108-0143244	..	104.6762417	+20.8893194	B	40.0	3.0	252.0	12.0	20.070	B			19.530	B

%22>\Ahref='VizieR-5?-ref=VIZ663bc5f822397c&-out.add=.&-source=I/297/out&NOMAD1===1108-0143245' class='full'725.35006 58 42.492672+20 53 18.970081108-0143245YM104.6770528+20.8886028B 0.0 0.0 0.0 0.016.740Y16.340Y16.740B16.07315.83615.842   825.88506 58 42.871344+20 54 05.789881109-0146649YM104.6786306+20.9016083B 6.0 2.0 -2.0 2.015.890Y15.530Y16.030B14.88114.53414.423   %0a%0a%3cP%3e%0a%3cFONT%20SIZE=%27-1%27%3e%3cEM%3e%3cFONT%20COLOR=%27#0000FF%27>%3cB%3eNote:%20Zone%20-30/%2b50deg%3cP%3e%0a

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	CMC14	f_	RAICRS deg	DEICRS deg	r'mag mag	Nt	Jmag mag	Hmag mag	Ksmag mag
1	21.541	06 58 43.47024	+20 53 38.7636	065843.4+205338		104.681126	+20.894101	15.694	3	14.210	13.703	13.606
2	25.666	06 58 42.50592	+20 53 18.6972	065842.5+205318		104.677108	+20.888527	16.914	1	16.073
3	25.828	06 58 42.88848	+20 54 05.5872	065842.8+205405		104.678702	+20.901552	16.026	3	14.882	14.534	14.424

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	GSC2.3	RAJ2000 deg	DEJ2000 deg	Epoch yr	Fmag mag	jmag mag	Vmag mag	Nmag mag	Class	a pix	e
1	3.444	06 58 41.83728	+20 53 40.2936	N8O2024495	104.674322	+20.894526	1993.941		21.46			3	1.70	0.21
2	8.641	06 58 41.34984	+20 53 43.3608	N8O2004058	104.672291	+20.895378	1989.842	19.21	21.12		18.54	3	2.22	0.07
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%3cEM%3e2&%3cFONT%20COLOR=%27#CD5B45%27>%208.641&%3cFONT%20COLOR=%27#CD5B45%27>06%2058%2041.34984&%3cFONT%20COLOR=%27#CD5B45%27>%2b20%2053%2043.3608&N8O2004058&104.672291&%2b20.895378&1989.842&19.21&21.12&%20&18.54&3&%20%202.22&%200.07%3cBR%3e">\Ahref='VizieR-5?-ref=VIZ663bc5f822397c&-out.add=.&-source=I/305/out&GSC2.3===N8O2004066&-out.orig=o' class='full'313.10706 58 41.62728+20 53 55.4388N8O2004066104.673447+20.8987331989.84220.5121.28    3 1.45 0.37 415.80706 58 40.87896+20 53 39.0228N8O2004052104.670329+20.8941731989.84218.5719.5418.8518.183 2.24 0.15 516.73106 58 41.87208+20 53 59.9028N8O2004078104.674467+20.8999731989.84220.0621.59    3 1.78 0.24 617.22606 58 42.00120+20 53 26.0052N8OD023503104.675005+20.8905571989.84218.3519.4018.6918.143 2.52 0.22 719.92006 58 40.56672+20 53 46.7016N8O2004061104.669028+20.8963061989.84219.9620.6019.2719.073 1.84 0.20 821.54706 58 43.47168+20 53 38.8284N8O2004055104.681132+20.8941191989.84215.3516.7315.5015.090 3.32 0.02 925.55706 58 42.50880+20 53 18.8232N8OD023475104.677120+20.8885621989.84216.4917.3616.7416.473 3.41 0.15 1025.85406 58 42.88512+20 54 05.6448N8O2004089104.678688+20.9015681989.84215.5816.6915.8715.660 3.32 0.04 %0a%0a

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	RAJ2000 deg	DEJ2000 deg	pmRA mas/yr	pmDE mas/yr	Jmag mag	Kmag mag	b1mag mag	b2mag mag	r1mag mag	r2mag mag	imag mag	No	fl
1	9.059	06 58 41.32032	+20 53 43.5372	104.672168	+20.895427	-1.4	0.5				21.10	19.51	19.18	18.28	4	0
2	15.840	06 58 40.87392	+20 53 39.1596	104.670308	+20.894211	-2.0	-3.0			19.95	19.60	18.37	18.69	18.21	5	0
3	17.285	06 58 41.98368	+20 53 25.9404	104.674932	+20.890539	5.7	-3.8			20.06	19.49	18.20	18.61	17.89	5	0
4	20.320	06 58 40.53984	+20 53 46.8672	104.668916	+20.896352	7.5	-24.2			20.11	20.59		19.73	18.57	4	0
5	21.498	06 58 43.46832	+20 53 38.8464	104.681118	+20.894124	4.1	-5.0	14.210	13.606	16.51	16.75	15.34	15.76	14.98	6	0
6	22.199	06 58 42.30000	+20 53 21.5232	104.676250	+20.889312	40.9	251.1				20.07	18.24	19.53		3	0
7	25.491	06 58 42.49344	+20 53 18.8268	104.677056	+20.888563	1.1	-3.4	16.073	15.842	17.51	17.41	16.48	16.74	16.33	6	0
8	25.776	06 58 42.87384	+20 54 05.6448	104.678641	+20.901568	7.4	-5.6	14.882	14.424	16.53	16.74	15.81	16.03	15.44	6	0

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>	\BegDIVclass='sort-down ' </A>
dec Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	ID	RAICRS deg	DEICRS deg	pmRAp mas/yr	pmDEp mas/yr	pmRAx mas/yr	pmDEx mas/yr	Fmag mag	Bjmag mag	Vmag mag	Nmag mag	Jmag mag	e_ mag	Hmag mag	e_ mag	Kmag mag	e_ mag	2Mkey	Bmag mag	Rmag mag	Fld	dT yr	fg	fs	M
1	21.545	06 58 43.47193	+20 53 38.8572	XPM 221-0226762	104.681133	+20.894127	3.47	-4.28	3.72	-4.02	15.345	16.733	15.498	15.087	14.210	0.028	13.703	0.035	13.606	0.035	138405442	16.4	15.4	365	41.642887	0	0	M
2	25.537	06 58 42.50233	+20 53 18.8162	XPM 221-0226745	104.677093	+20.888560	-2.08	-3.43	-1.83	-3.17	16.488	17.356	16.735	16.465	16.073	0.085	15.836	0.153	15.842	0.234	138405456	17.4	16.4	365	41.642887	0	0	M
3	25.792	06 58 42.87477	+20 54 05.6557	XPM 221-0226752	104.678645	+20.901571	7.07	-5.61	7.33	-5.34	15.577	16.685	15.870	15.664	14.882	0.035	14.534	0.055	14.424	0.061	138405428	16.6	15.7	365	41.642887	0	0	M

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	UCAC4	RAJ2000 deg	DEJ2000 deg	ePos mas	f.mag mag	of	db	pmRA mas/yr	pmDE mas/yr	Jmag mag	Kmag mag	Bmag mag	Vmag mag	rmag mag	imag mag	H	A	b	h	Z	B	L	N	S
1	21.435	06 58 43.463736	+20 53 38.84424	555-035707	104.6810989	+20.8941234	74	15.730	0	0	-0.9	0.2	14.210	13.606	16.775	15.959	15.616	15.352	0	0	0	0	0	0	0	1	0
2	25.576	06 58 42.870000	+20 54 05.44500	555-035706	104.6786250	+20.9015125	183	15.906	0	0	0.8	-6.1	14.882	14.424	16.706	16.206	15.936	15.884	0	0	0	0	0	0	0	1	0

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