Swift Trigger: 455155;

Presumed name: GRB 110610A

BAT	20^h 32^m 36.24^s, +74° 49′ 22.8″
position:	(308.151, +74.823 ± 180″)
XRT	20^h 32^m 42.57^s, +74° 49′ 27.5″
position:	(308.17739, 74.82431 ± 3.6″)
UVOT	No position available.
Galactic N_HI:	0.00×10⁰ cm^-2
Galactic E(B-V):	0.438 mag

Best RA:	20^h 32^m 42.57^s	= 308.17739 d
Best Dec:	+74° 49′ 27.5″	= 74.82431 d

Gal Lat:
Gal Long:

Sun angle:	77.19°, 8.7 hr West

¹Sper #6 auto processing.

Stars within 3.33 of XRT position

	RA*	Dec*		Catalogue
8.8	308.1704	74.8259	B2=20.6, I=18.5, R2=20.0	USNO-B1
21.6	308.1908	74.8292	B1=20.7, B2=20.2, I=18.1, R1=18.5, R2=18.3	USNO-B1
23.5	308.1944	74.8195	I=18.6, R2=19.6	USNO-B1
25.0	308.1509	74.8241	h=14.3, j=14.9, k=14.0	2MASS
25.1	308.1507	74.8241	B1=19.0, B2=17.8, I=15.7, R1=16.8, R2=16.3	USNO-B1
33.5	308.1754	74.8150	B2=21.3, I=18.6, R1=19.7	USNO-B1
36.8	308.1880	74.8342	B2=20.9, R1=19.7, R2=19.5	USNO-B1
37.7	308.1577	74.8334	h=15.9, j=16.6, k=15.7	2MASS
38.2	308.1574	74.8336	B1=20.3, B2=19.9, I=17.6, R1=18.5, R2=18.7	USNO-B1
39.8	308.1900	74.8138	B1=20.8, B2=20.5, I=18.2, R1=19.3, R2=19.3	USNO-B1
43.7	308.2213	74.8205	B1=18.8, B2=17.5, I=15.7, R1=16.5, R2=16.3	USNO-B1
43.9	308.2214	74.8203	h=14.3, j=14.8, k=14.4	2MASS
49.6	308.1307	74.8180	B1=18.4, B2=17.3, I=14.9, R1=16.0, R2=15.5	USNO-B1
49.8	308.1306	74.8179	h=13.2, j=13.8, k=13.0	2MASS
51.8	308.1357	74.8150	B2=20.0, I=18.6, R1=18.9, R2=18.9	USNO-B1
73.0	308.2491	74.8166	B2=21.0, I=18.4, R1=19.4, R2=19.6	USNO-B1
77.9	308.2587	74.8205	I=17.9, R2=19.8	USNO-B1
78.0	308.2589	74.8205	h=15.2, j=16.1, k=14.7	2MASS
81.2	308.1080	74.8109	B1=20.8, B2=20.5, I=18.6, R1=19.6, R2=19.6	USNO-B1
82.7	308.2044	74.8024	B2=20.9, R1=19.8	USNO-B1
83.2	308.0919	74.8302	B2=20.6, I=16.3, R1=18.4, R2=18.3	USNO-B1
83.2	308.1837	74.8012	B1=17.2, B2=16.6, I=14.7, R1=15.5, R2=15.2	USNO-B1
83.2	308.0918	74.8301	h=14.5, j=15.0, k=14.1	2MASS
83.3	308.1134	74.8084	B2=21.5, I=17.8, R1=19.6, R2=19.1	USNO-B1
83.4	308.1838	74.8012	h=13.2, j=13.7, k=13.2	2MASS
85.6	308.2680	74.8258	B1=20.8, B2=21.4, I=17.9, R2=19.7	USNO-B1
88.7	308.1281	74.8033	B1=15.8, B2=15.1, I=9.6, R1=12.8, R2=12.8	USNO-B1
88.8	308.2713	74.8263	h=15.5, j=16.4, k=15.4	2MASS
89.0	308.1280	74.8033	h=6.5, j=7.6, k=6.2	2MASS
89.1	308.1427	74.8473	h=14.5, j=15.2, k=14.3	2MASS
89.4	308.1426	74.8474	B1=20.1, B2=18.9, I=16.1, R1=17.1, R2=16.7	USNO-B1
89.6	308.1655	74.7996	B1=15.4, B2=15.1, I=13.2, R1=14.1, R2=13.8	USNO-B1
89.7	308.1655	74.7996	h=11.7, j=12.2, k=11.6	2MASS
90.5	308.0825	74.8283	B2=20.7, I=18.4, R1=19.4, R2=19.5	USNO-B1
92.3	308.1104	74.8056	B1=20.3, B2=18.9, I=15.9, R1=17.7, R2=17.2	USNO-B1
92.5	308.1106	74.8055	h=14.7, j=15.5, k=14.7	2MASS
93.8	308.2406	74.8444	h=15.9, j=16.4, k=15.4	2MASS
94.6	308.2414	74.8446	B2=20.4, I=17.6, R1=19.1, R2=18.2	USNO-B1
94.7	308.2115	74.8491	B1=20.8, B2=19.9, I=18.1, R1=17.8, R2=18.5	USNO-B1
95.4	308.2418	74.8447	B2=21.3, I=17.7, R1=19.5, R2=18.0	USNO-B1
95.9	308.0757	74.8249	B2=21.1, I=18.4, R1=19.5, R2=19.8	USNO-B1
96.1	308.1101	74.8043	B2=21.0, I=18.0, R1=19.4	USNO-B1
97.3	308.1128	74.8032	h=15.5, j=16.4, k=14.2	2MASS
97.6	308.2048	74.7982	B1=19.7, B2=18.5, I=16.9, R1=17.6, R2=17.4	USNO-B1
97.9	308.2052	74.7981	h=15.7, j=16.2, k=15.5	2MASS
99.1	308.2455	74.8453	h=15.8, j=16.3, k=16.9	2MASS
99.4	308.2454	74.8454	B1=20.6, B2=19.6, I=16.9, R1=18.3, R2=18.1	USNO-B1
101.3	308.2839	74.8282	B1=20.8, B2=21.2, I=18.5	USNO-B1
104.7	308.2185	74.7973	B2=21.1, I=18.6, R1=19.4, R2=19.7	USNO-B1
105.8	308.1041	74.8466	h=15.6, j=16.0, k=15.3	2MASS
106.5	308.1036	74.8467	B1=20.1, B2=18.9, I=17.0, R1=18.0, R2=17.7	USNO-B1
108.7	308.0742	74.8108	h=14.4, j=15.1, k=14.2	2MASS
109.0	308.0741	74.8107	B2=19.7, I=16.1, R1=17.8, R2=17.9	USNO-B1
112.4	308.0582	74.8231	B2=20.7, I=17.8, R1=18.9, R2=18.4	USNO-B1
112.6	308.0580	74.8231	h=15.2, j=16.2, k=15.3	2MASS
113.2	308.1507	74.7937	B2=21.0, I=18.2, R1=19.2, R2=19.7	USNO-B1
113.9	308.1912	74.8558	B1=20.8, B2=19.9, I=18.2, R1=18.9, R2=19.0	USNO-B1
113.9	308.1427	74.7940	B1=20.8, B2=19.9, I=16.6, R1=17.5, R2=17.6	USNO-B1
114.1	308.1428	74.7939	h=14.7, j=15.4, k=14.4	2MASS
114.2	308.2520	74.7993	B2=19.6, I=18.7, R2=19.6	USNO-B1
115.0	308.0583	74.8313	h=15.7, j=16.1, k=15.1	2MASS
115.5	308.0578	74.8314	B1=20.8, B2=20.5, I=17.6, R1=18.8, R2=18.4	USNO-B1
115.6	308.0808	74.8441	h=14.3, j=14.8, k=14.2	2MASS
115.8	308.0806	74.8442	B1=18.1, B2=17.2, I=15.5, R1=16.2, R2=16.0	USNO-B1
116.1	308.0611	74.8137	h=15.8, j=16.1, k=15.4	2MASS
116.4	308.0608	74.8137	B1=19.6, B2=18.8, I=17.2, R1=17.4, R2=17.4	USNO-B1
120.4	308.2283	74.8550	h=14.3, j=15.1, k=14.2	2MASS
120.8	308.2282	74.8551	B1=20.7, B2=20.0, I=16.4, R1=17.8, R2=17.5	USNO-B1
121.8	308.0489	74.8280	h=15.3, j=15.7, k=15.2	2MASS
121.8	308.0489	74.8280	B1=19.3, B2=18.0, I=16.4, R1=17.1, R2=16.9	USNO-B1
124.7	308.0531	74.8125	B1=20.1, B2=19.5, I=17.8, R1=18.4, R2=18.1	USNO-B1
124.8	308.0530	74.8125	h=16.1, j=16.7, k=15.5	2MASS
125.8	308.0867	74.7987	B2=21.2, I=18.6, R2=19.6	USNO-B1
126.3	308.0485	74.8340	B1=20.8, I=18.5, R2=19.7	USNO-B1
130.4	308.0394	74.8273	B1=20.8, B2=21.0, R2=19.7	USNO-B1
137.1	308.3126	74.8103	B2=20.9, I=18.4, R1=18.6, R2=19.4	USNO-B1
141.6	308.1074	74.8591	B2=20.5, R1=19.9	USNO-B1
142.4	308.0359	74.8105	h=12.2, j=12.5, k=12.1	2MASS
142.4	308.0358	74.8105	B1=15.4, B2=15.1, I=13.3, R1=14.3, R2=14.1	USNO-B1
142.9	308.0274	74.8186	B1=20.8, B2=20.4, I=18.4, R1=19.0, R2=19.5	USNO-B1
143.0	308.3181	74.8095	I=18.4, R1=19.5, R2=19.4	USNO-B1
143.3	308.2304	74.7870	B2=21.5, I=17.9, R1=19.4, R2=19.5	USNO-B1
145.0	308.0240	74.8212	h=15.8, j=16.5, k=15.7	2MASS
145.0	308.0239	74.8213	B1=20.0, B2=19.0, I=17.5, R1=18.2, R2=17.8	USNO-B1
146.0	308.3211	74.8395	h=15.4, j=15.7, k=15.4	2MASS
146.3	308.3212	74.8397	B1=19.1, B2=17.9, I=16.3, R1=17.2, R2=16.9	USNO-B1
146.9	308.3265	74.8362	B2=20.3, I=18.3, R1=19.0, R2=18.9	USNO-B1
147.3	308.0212	74.8254	h=15.6, j=16.3, k=15.1	2MASS
147.6	308.0317	74.8093	I=15.9, R1=18.0, R2=17.5	USNO-B1
148.1	308.1027	74.8605	h=14.1, j=14.8, k=14.1	2MASS
148.4	308.1025	74.8606	B1=18.9, B2=17.9, I=15.8, R1=16.7, R2=16.2	USNO-B1
149.3	308.0303	74.8089	h=15.4, j=16.1, k=15.0	2MASS
150.2	308.2646	74.7894	B1=19.5, B2=18.0, I=16.9, R1=17.6, R2=17.7	USNO-B1
150.4	308.2647	74.7894	h=15.2, j=15.9, k=15.4	2MASS
153.4	308.1522	74.8664	h=15.7, j=16.7, k=15.1	2MASS
153.9	308.1669	74.8670	h=12.6, j=13.3, k=12.4	2MASS
154.1	308.1667	74.8670	B1=18.4, B2=17.4, I=14.4, R1=15.7, R2=15.6	USNO-B1
155.7	308.2430	74.8640	R1=19.6, R2=19.6	USNO-B1
157.8	308.2193	74.8668	h=15.3, j=15.6, k=14.9	2MASS
158.1	308.2194	74.8668	B1=18.9, B2=17.9, I=16.3, R1=16.9, R2=16.7	USNO-B1
158.2	308.3142	74.8498	B1=20.2, B2=18.7, I=15.5, R1=16.9, R2=16.8	USNO-B1
158.2	308.3143	74.8498	h=13.7, j=14.5, k=13.5	2MASS
158.4	308.0391	74.7993	B2=21.0, I=18.3, R1=19.0, R2=18.8	USNO-B1
158.4	308.0244	74.8062	B1=18.4, B2=17.4, I=15.1, R1=16.2, R2=15.6	USNO-B1
158.5	308.0244	74.8061	h=13.6, j=14.2, k=13.4	2MASS
159.3	308.2181	74.7814	B1=17.1, B2=16.4, I=14.4, R1=15.2, R2=14.9	USNO-B1
159.4	308.2182	74.7813	h=12.5, j=13.1, k=12.4	2MASS
159.8	308.0783	74.7883	B1=20.8, B2=20.6, I=18.8, R1=19.0, R2=18.7	USNO-B1
160.9	308.3315	74.8436	B2=20.9, I=17.9, R1=19.1, R2=18.6	USNO-B1
163.5	308.0157	74.8408	I=17.7, R2=18.2	USNO-B1
163.8	308.0156	74.8410	I=17.4, R1=18.3, R2=18.6	USNO-B1
164.4	308.0162	74.8418	h=13.6, j=14.0, k=13.4	2MASS
164.5	308.0160	74.8418	B1=17.0, B2=16.2, I=14.6, R1=15.4, R2=15.1	USNO-B1
165.5	308.0461	74.8549	h=16.1, j=16.6, k=15.3	2MASS
166.2	308.3300	74.8012	B2=21.4, I=18.6, R1=19.0, R2=19.6	USNO-B1
166.3	308.0105	74.8394	B1=20.7, B2=20.8, R2=19.6	USNO-B1
167.5	308.3526	74.8166	I=18.6, R1=18.9, R2=19.6	USNO-B1
168.1	308.2284	74.7796	B1=20.4, B2=20.1, I=17.9, R1=18.6, R2=19.0	USNO-B1
169.5	308.0476	74.7917	h=15.7, j=16.0, k=15.4	2MASS
169.7	308.0473	74.7918	B2=21.2, I=17.6, R1=19.2, R2=19.5	USNO-B1
170.7	308.0257	74.7985	B1=20.4, B2=19.7, I=17.6, R1=18.5, R2=18.4	USNO-B1
177.0	308.1585	74.7754	B1=20.1, B2=18.6, I=16.1, R1=17.1, R2=17.1	USNO-B1
177.2	308.1583	74.7754	h=15.0, j=15.5, k=14.8	2MASS
177.8	308.3074	74.7886	h=13.4, j=14.1, k=13.2	2MASS
177.8	308.2694	74.8675	B1=20.7, R1=19.5	USNO-B1
181.7	308.3698	74.8276	B1=20.8, B2=20.8, I=18.5, R2=19.3	USNO-B1
186.9	308.3602	74.8042	h=14.8, j=15.6, k=14.5	2MASS
186.9	308.3603	74.8043	B2=20.4, I=17.1, R1=17.9, R2=18.4	USNO-B1
188.1	308.3662	74.8074	B1=20.5, R1=19.1	USNO-B1
188.3	308.2164	74.7730	B2=21.5, I=18.6, R1=19.8	USNO-B1
188.8	308.3483	74.8517	h=15.0, j=15.9, k=14.7	2MASS
189.0	308.3482	74.8519	B2=18.9, I=15.6, R1=17.1, R2=16.7	USNO-B1
189.3	308.1779	74.7717	B2=20.2, I=18.5, R2=19.5	USNO-B1
190.1	308.0313	74.8608	B1=20.4, B2=19.3, I=17.8, R1=18.6, R2=18.6	USNO-B1
192.6	308.0898	74.8727	B1=20.8, B2=19.9	USNO-B1
192.7	308.0016	74.7970	B1=20.8, B2=20.3, I=17.8, R1=19.1, R2=19.2	USNO-B1
193.6	308.0898	74.8730	B1=20.8, B2=20.7, I=17.5, R1=19.1, R2=18.7	USNO-B1
193.8	308.0901	74.8731	h=15.7, j=16.5, k=15.2	2MASS
194.2	308.3751	74.8396	B1=20.8, B2=20.9, R2=19.5	USNO-B1
194.8	308.1895	74.8783	h=12.8, j=13.2, k=12.7	2MASS
195.1	308.1896	74.8784	B1=16.6, B2=15.9, I=14.3, R1=14.8, R2=14.7	USNO-B1
195.8	308.2084	74.8781	B1=20.8, B2=20.9, I=18.7, R2=19.5	USNO-B1
196.1	307.9892	74.8012	B1=20.8, B2=20.6, I=18.7, R2=19.5	USNO-B1
196.7	308.1759	74.8790	h=15.7, j=16.9, k=15.7	2MASS
197.2	308.1757	74.8791	B2=21.3, I=17.8, R1=19.1, R2=18.8	USNO-B1
199.5	308.1138	74.8772	h=15.9, j=16.4, k=15.6	2MASS
199.7	308.2850	74.8721	h=13.3, j=13.6, k=13.3	2MASS
200.0	308.2850	74.8722	B1=17.0, B2=16.2, I=14.4, R1=15.4, R2=15.1	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

* RA/Dec in equinox J2000

Magnitudes depend on the catalogue. e.g. For Sloan, R is the Sloan r mag, not the Johnson R from APM, for example.