Swift Trigger: 1263718;

Presumed name: GRB 241030A

BAT	22^h 52^m 07.92^s, +80° 26′ 20.4″
position:	(343.033, +80.439 ± 180″)
XRT	22^h 52^m 33.60^s, +80° 26′ 53.5″
position:	(343.1400, 80.4482 ± 4.7″)
UVOT	22^h 52^m 33.55^s, +80° 26′ 59.6″
position:	(343.1398, +80.4499 ± 0.6″)
Galactic N_HI:	1.14×10²¹ cm^-2
Galactic E(B-V):	0.174 mag

Best RA:	22^h 52^m 33.55^s	= 343.1398 d
Best Dec:	+80° 26′ 59.6″	= +80.4499 d

Gal Lat:	18.75
Gal Long:	117.95

Sun angle:	109.63°, -8.5 hr East of Sun

Galaxies within 200 of UVOT position

	RA*	Dec*		Catalogue
2.7	343.1413	80.4506		NED
7.9	343.1275	80.4508		NED
11.2	343.1571	80.4486		NED
12.9	343.1183	80.4496	I=19.1, R1=19.4	USNO-B1
17.7	343.1212	80.4539		NED
21.1	343.1058	80.4515	B2=21.3, I=18.9, R1=19.8	USNO-B1
22.9	343.1646	80.4547		NED
26.3	343.1525	80.4569		NED
28.9	343.0929	80.4478		NED
29.0	343.0925	80.4517		NED
31.0	343.1892	80.4525		NED
32.8	343.1046	80.4428		NED
33.2	343.1675	80.4419		NED
38.0	343.1313	80.4603		NED
42.4	343.2099	80.4481	B2=21.6, I=18.9, R2=20.5	USNO-B1
45.2	343.2043	80.4433	B1=20.3, B2=20.2, I=19.0, R1=19.7, R2=19.5	USNO-B1
45.4	343.1717	80.4614		NED
47.3	343.0621	80.4475		NED
50.0	343.1025	80.4622		NED
50.3	343.0813	80.4600		NED
51.2	343.2225	80.4461		NED
51.8	343.1342	80.4355	I=18.7, R2=20.4	USNO-B1
52.0	343.2226	80.4454	B2=20.3, I=18.2, R2=19.8	USNO-B1
52.8	343.2250	80.4460	B1=19.6, B2=19.8, I=18.4, R1=19.2, R2=19.6	USNO-B1
53.5	343.2167	80.4422		NED
54.8	343.1535	80.4348	I=14.1, R1=20.0	USNO-B1
55.9	343.2304	80.4461		NED
57.0	343.1285	80.4656	I=19.0, R1=19.8	USNO-B1
57.3	343.0658	80.4397		NED
57.5	343.2121	80.4606		NED
57.7	343.1562	80.4342		NED
58.0	343.1063	80.4347		NED
58.2	343.2107	80.4610	I=18.5, R1=18.9	USNO-B1
59.3	343.1041	80.4345	B1=19.9, I=10.2, R2=10.9	USNO-B1
59.5	343.0421	80.4531		NED
60.2	343.2013	80.4367		NED
60.9	343.1558	80.4667		NED
62.9	343.2221	80.4392		NED
68.6	343.2288	80.4619		NED
68.9	343.1288	80.4689		NED
70.2	343.0710	80.4657	B1=20.6, I=19.3	USNO-B1
73.1	343.2525	80.4419		NED
75.6	343.0229	80.4419		NED
76.2	343.0133	80.4528		NED
77.4	343.2138	80.4322		NED
77.6	343.2087	80.4682	B1=20.6, I=18.4	USNO-B1
78.1	343.1911	80.4300	B2=22.0, I=19.0	USNO-B1
78.2	343.2475	80.4375		NED
78.4	343.2125	80.4681		NED
78.4	343.0346	80.4631		NED
80.0	343.2172	80.4681	B2=21.9, I=17.7, R1=18.9	USNO-B1
80.0	343.0183	80.4594		NED
80.1	343.1896	80.4706		NED
84.4	343.1963	80.4283		NED
84.9	343.2792	80.4453		NED
85.5	343.1775	80.4269		NED
86.1	343.2833	80.4483		NED
87.2	343.2692	80.4611		NED
87.8	342.9979	80.4436		NED
87.8	343.2771	80.4586		NED
88.2	343.1525	80.4256		NED
88.6	343.0229	80.4347		NED
91.4	343.2702	80.4367	B1=20.3, I=17.5, R2=20.2	USNO-B1
91.5	343.0829	80.4736		NED
92.5	343.0175	80.4658		NED
92.7	343.2185	80.4721	B2=20.9, I=17.9, R2=19.7	USNO-B1
93.1	343.2208	80.4719		NED
93.7	343.0450	80.4706		NED
93.8	343.0021	80.4375		NED
94.1	343.2750	80.4367		NED
94.9	343.1172	80.4238	B1=20.5, I=19.2, R2=19.9	USNO-B1
96.5	343.0892	80.4244		NED
96.8	343.1175	80.4233		NED
96.8	343.1144	80.4233	I=18.7, R2=20.4	USNO-B1
97.9	343.2646	80.4322		NED
99.4	342.9733	80.4492		NED
102.2	343.0146	80.4306		NED
103.0	343.2000	80.4231		NED
103.4	343.0667	80.4758		NED
103.6	343.1849	80.4777	I=19.1, R2=18.8	USNO-B1
103.6	342.9683	80.4544		NED
105.7	343.1858	80.4217		NED
106.6	343.1838	80.4786		NED
107.6	342.9913	80.4669		NED
109.4	342.9712	80.4381		NED
109.8	343.1642	80.4801	B1=20.4, B2=21.9, R1=19.0	USNO-B1
110.0	342.9854	80.4333		NED
110.8	342.9678	80.4384	B1=20.6, I=18.8	USNO-B1
111.0	343.1600	80.4806		NED
111.5	343.3263	80.4483		NED
111.7	342.9814	80.4334	I=16.6, R1=18.9	USNO-B1
112.1	343.2904	80.4314		NED
113.4	343.0348	80.4762	B1=21.1, B2=22.0, R2=20.6	USNO-B1
113.9	342.9596	80.4603		NED
114.4	342.9854	80.4311		NED
114.5	343.0925	80.4808		NED
114.9	343.0325	80.4764		NED
115.0	342.9513	80.4433		NED
115.3	343.3218	80.4392	B1=20.6, I=18.8, R2=19.6	USNO-B1
116.1	343.3082	80.4338	B2=20.2, I=15.5	USNO-B1
116.2	343.3042	80.4325		NED
116.3	343.2704	80.4258		NED
116.7	343.2158	80.4797		NED
117.4	343.0579	80.4794		NED
117.7	343.3250	80.4389		NED
117.9	343.0928	80.4817	B1=21.1, B2=21.1	USNO-B1
118.1	343.3125	80.4339		NED
118.5	342.9512	80.4602	B1=20.3, I=18.7	USNO-B1
119.3	342.9538	80.4379	I=18.9, R1=19.8	USNO-B1
119.5	343.1150	80.4170	B1=20.0, I=19.2	USNO-B1
120.1	343.2983	80.4706		NED
120.6	343.0433	80.4206		NED
121.1	343.3401	80.4448	B2=22.1, I=19.1	USNO-B1
121.5	342.9762	80.4299	B1=20.6, I=19.1, R1=19.4	USNO-B1
121.8	343.1283	80.4836		NED
122.0	343.3383	80.4420	B2=21.0, I=18.5, R1=18.5, R2=20.2	USNO-B1
122.2	342.9458	80.4392		NED
122.9	343.3400	80.4422		NED
122.9	343.3433	80.4447		NED
123.1	343.3413	80.4572		NED
123.4	343.0729	80.4175		NED
123.7	343.0081	80.4234	B2=20.6, R2=19.8	USNO-B1
124.1	343.1558	80.4842		NED
124.3	343.0725	80.4172	B1=20.9, I=19.3, R2=20.3	USNO-B1
124.8	343.1524	80.4845	B1=20.5, I=18.5	USNO-B1
125.5	342.9338	80.4567		NED
125.8	342.9292	80.4511		NED
126.0	343.2025	80.4164		NED
128.2	343.2800	80.4769		NED
129.5	343.1875	80.4850		NED
129.6	343.2175	80.4163	B2=20.6, I=18.8	USNO-B1
129.6	343.1511	80.4859	B1=20.7, I=19.0	USNO-B1
129.9	342.9892	80.4239		NED
130.2	343.0054	80.4783		NED
130.6	343.3062	80.4264		NED
131.6	342.9843	80.4240	I=18.7, R2=20.4	USNO-B1
131.9	343.2160	80.4155	B2=21.5, R1=19.4, R2=19.5	USNO-B1
132.0	343.2158	80.4156		NED
134.1	343.3612	80.4438	B1=20.2, I=17.6	USNO-B1
134.6	342.9175	80.4561		NED
134.6	343.1738	80.4131		NED
135.7	343.2551	80.4824	B2=21.1, I=17.7	USNO-B1
135.8	343.3292	80.4708		NED
135.9	343.3642	80.4439		NED
135.9	342.9383	80.4675		NED
136.3	343.1750	80.4872		NED
136.6	343.0483	80.4847		NED
136.9	343.2579	80.4825		NED
137.5	343.3671	80.4440	B1=20.0, I=19.0, R1=18.1	USNO-B1
137.8	343.0046	80.4808		NED
138.9	343.1554	80.4114		NED
140.3	343.2867	80.4194		NED
143.2	343.3246	80.4247		NED
143.5	343.1179	80.4103		NED
144.1	342.9466	80.4260	B1=20.6, I=18.8	USNO-B1
145.7	342.9646	80.4217		NED
145.9	343.0279	80.4139		NED
146.1	343.3690	80.4641	I=14.3, R1=19.8	USNO-B1
146.3	343.3454	80.4281		NED
146.4	343.3462	80.4280	B1=20.6, B2=21.6, I=19.1, R2=20.1	USNO-B1
146.5	343.1579	80.4906		NED
147.1	343.1133	80.4093	B1=20.4, I=18.8, R2=20.6	USNO-B1
147.2	343.0244	80.4138	B1=20.6, I=18.4	USNO-B1
147.3	343.3850	80.4544	B1=20.4, I=17.9, R1=18.8	USNO-B1
148.1	343.3410	80.4259	I=19.3, R1=20.0	USNO-B1
148.2	343.3779	80.4383		NED
148.6	343.3683	80.4336		NED
148.7	343.1217	80.4911		NED
149.1	343.3721	80.4650		NED
149.5	343.1442	80.4083		NED
149.9	342.9683	80.4803		NED
150.0	343.1429	80.4083		NED
150.5	342.9417	80.4242		NED
150.7	343.3904	80.4544		NED
150.8	343.3921	80.4494		NED
153.1	342.8842	80.4533	I=18.5, R2=17.6	USNO-B1
153.6	343.0058	80.4864		NED
153.8	342.9396	80.4769		NED
154.0	343.2058	80.4914		NED
154.7	342.9067	80.4686		NED
154.8	343.2232	80.4906	I=18.8, R1=19.7	USNO-B1
155.0	343.1821	80.4075		NED
156.4	342.8802	80.4558	B1=19.1, B2=20.9, I=19.2	USNO-B1
156.5	343.2301	80.4907	B1=20.5, B2=20.5, R2=20.0	USNO-B1
157.3	342.8764	80.4504	R1=18.9, R2=18.7	USNO-B1
158.2	343.3850	80.4333		NED
158.3	343.3267	80.4811		NED
158.7	342.8888	80.4356		NED
158.9	343.3646	80.4264		NED
159.2	343.2413	80.4908		NED
159.5	343.2397	80.4910	B1=20.5, I=17.9	USNO-B1
159.6	342.8733	80.4533		NED
159.7	343.0342	80.4906		NED
159.8	342.9217	80.4756		NED
161.0	342.9183	80.4244		NED
161.4	343.1800	80.4942		NED
161.9	342.9363	80.4203		NED
161.9	343.2808	80.4883		NED
162.5	343.0933	80.4944		NED
162.7	342.9633	80.4156		NED
162.9	342.9152	80.4243	I=18.0, R1=19.4	USNO-B1
163.1	342.8693	80.4562	B1=19.9, B2=19.9, I=18.2	USNO-B1
163.5	342.8942	80.4300		NED
164.0	342.8692	80.4422		NED
164.8	343.4050	80.4375		NED
165.2	343.2188	80.4939		NED
165.5	343.2567	80.4083		NED
165.7	343.2567	80.4082	B2=21.3, I=18.3, R2=19.6	USNO-B1
165.9	343.0879	80.4047		NED
166.1	343.0475	80.4064		NED
166.4	342.8617	80.4527	I=10.5, R1=17.2	USNO-B1
166.7	343.2139	80.4945	B1=20.6, I=19.1	USNO-B1
167.1	343.3942	80.4308		NED
167.3	342.9736	80.4125	B1=20.6, I=18.6	USNO-B1
167.5	343.4038	80.4344		NED
168.0	343.1538	80.4033		NED
168.3	343.2750	80.4089		NED
169.2	342.8585	80.4555	B1=20.6, I=18.8	USNO-B1
170.0	343.3346	80.4156		NED
170.3	342.9388	80.4836		NED
170.6	343.1392	80.4972		NED
171.3	343.3858	80.4256		NED
171.9	343.1796	80.4025		NED
172.2	342.9842	80.4903		NED
172.4	342.8871	80.4733		NED
172.9	343.3255	80.4868	B1=20.6, I=18.3	USNO-B1
173.5	342.8621	80.4358		NED
174.2	342.8908	80.4247		NED
174.4	342.9517	80.4128		NED
174.6	343.1358	80.4014		NED
175.1	343.1446	80.4986		NED
176.2	343.3862	80.4769		NED
176.4	343.0308	80.4956		NED
176.9	342.8438	80.4513	B1=17.8, B2=17.0, I=16.1, R1=16.4, R2=16.3	USNO-B1
176.9	342.8438	80.4514		NED
178.9	343.3304	80.4883		NED
178.9	343.1538	80.4003		NED
179.2	342.9057	80.4188	B1=20.6, B2=20.3, I=17.9, R1=18.7, R2=18.5	USNO-B1
179.3	343.2092	80.4014		NED
179.5	343.3573	80.4844	I=19.3, R1=19.6	USNO-B1
179.6	342.9058	80.4186		NED
179.8	343.4404	80.4525		NED
179.9	343.2617	80.4956		NED
180.2	343.3592	80.4844		NED
180.3	343.4233	80.4672		NED
180.8	343.2808	80.4056		NED
180.8	342.8908	80.4786		NED
181.0	342.9019	80.4188	B1=20.8, I=18.4	USNO-B1
181.0	343.3595	80.4846	I=18.4, R1=19.9, R2=20.2	USNO-B1
182.3	342.8979	80.4808		NED
182.7	342.9517	80.4900		NED
182.8	343.2621	80.4033		NED
183.0	343.4221	80.4303		NED
183.7	343.2756	80.4957	B1=20.6, B2=21.4, R1=19.8, R2=20.4	USNO-B1
183.8	342.9142	80.4847		NED
183.9	343.4437	80.4422		NED
184.7	342.9119	80.4846	B2=22.1, I=19.3	USNO-B1
184.9	343.4479	80.4450		NED
185.5	343.3420	80.4109	I=18.9, R1=19.9	USNO-B1
186.3	343.1762	80.5014		NED
186.6	342.9238	80.4875		NED
187.2	342.9121	80.4142		NED
187.9	343.1113	80.3981		NED
188.4	343.1081	80.3978	I=17.2, R1=17.2	USNO-B1
189.8	343.0517	80.3992		NED
189.8	343.0625	80.5011		NED
191.3	342.8454	80.4708		NED
191.4	342.8458	80.4711		NED
192.1	342.9846	80.4031		NED
192.5	343.0268	80.3998	B1=21.0, I=19.2	USNO-B1
192.8	343.4258	80.4747		NED
193.0	343.4358	80.4286		NED
193.3	342.8163	80.4475		NED
193.3	343.3181	80.4051	B1=20.1, I=18.9	USNO-B1
193.4	343.4264	80.4750	B1=18.6, B2=17.8, I=16.5, R1=17.0, R2=16.8	USNO-B1
193.4	343.2846	80.4981		NED
194.3	343.4646	80.4464		NED
195.6	343.0362	80.3984	B1=20.9, B2=20.9, R2=19.8	USNO-B1
196.1	343.0986	80.5039	B1=20.9, I=19.3	USNO-B1
196.1	342.8271	80.4336		NED
196.4	343.2058	80.5033		NED
196.7	343.2943	80.4982	B1=20.9, I=19.3	USNO-B1
197.0	342.8225	80.4350		NED
197.4	342.8171	80.4619		NED
197.5	342.8265	80.4325	I=18.3, R1=19.8, R2=17.3	USNO-B1
198.2	342.9892	80.4989		NED
198.9	343.0221	80.3983		NED
199.5	342.8063	80.4528		NED
199.6	343.1617	80.3944		NED

Queried APM-N, SDSS, PSCz, SSS, NED, 2MASSX, USNO-B1.

* 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