Swift Trigger: 1101133;

Presumed name: GRB 220404A

BAT	03^h 21^m 47.52^s, +10° 00′ 18.0″
position:	(50.448, +10.005 ± 180″)
XRT	No position available.
UVOT	No position available.
Galactic N_HI:	1.47×10²¹ cm^-2
Galactic E(B-V):	0.415 mag

Best RA:	03^h 21^m 47.52^s	= 50.448 d
Best Dec:	+10° 00′ 18.0″	= +10.005 d

Gal Lat:	-37.97
Gal Long:	172.58

Sun angle:	37.09°, -2.5 hr East of Sun

Galaxies within 200 of BAT position

	RA*	Dec*		Catalogue
12.6	50.4500	10.0081		NED
27.9	50.4552	10.0082	B1=20.8, R1=19.8	USNO-B1
37.4	50.4479	9.9947		NED
38.2	50.4455	10.0153	B=19.3, R=17.9	APM-N
38.9	50.4454	10.0156		NED
64.4	50.4658	10.0072		NED
65.5	50.4562	9.9886		NED
67.5	50.4292	10.0086		NED
68.4	50.4650	10.0136		NED
68.6	50.4337	10.0181		NED
70.0	50.4442	10.0242		NED
77.9	50.4683	10.0128		NED
78.3	50.4617	9.9881		NED
78.5	50.4562	9.9848	B=20.5, R=20.0	APM-N
80.6	50.4550	10.0264		NED
80.7	50.4549	10.0264	B1=19.2, B2=19.5, I=17.4, R1=17.5, R2=17.8	USNO-B1
80.8	50.4417	10.0267		NED
81.6	50.4600	9.9856		NED
83.2	50.4250	9.9994		NED
86.1	50.4250	10.0131		NED
86.6	50.4247	10.0122	B=20.2, R=20.0	APM-N
88.2	50.4712	10.0136		NED
89.2	50.4229	10.0050		NED
90.8	50.4267	10.0192		NED
90.9	50.4546	10.0294		NED
91.8	50.4229	9.9983		NED
93.9	50.4742	10.0011		NED
94.7	50.4675	9.9869		NED
98.9	50.4229	10.0172		NED
100.2	50.4679	10.0247		NED
100.5	50.4763	10.0075		NED
101.6	50.4196	10.0092		NED
103.4	50.4623	10.0300	B=19.0, R=20.0	APM-N
103.7	50.4650	10.0283		NED
104.3	50.4233	10.0211		NED
105.7	50.4688	9.9842		NED
106.9	50.4658	9.9811		NED
107.2	50.4283	10.0278		NED
109.1	50.4508	9.9747		NED
111.4	50.4171	9.9983		NED
114.3	50.4304	9.9783		NED
115.9	50.4183	9.9914		NED
117.2	50.4809	10.0083	B=20.2, R=19.8	APM-N
118.9	50.4504	10.0381		NED
121.7	50.4371	9.9731		NED
121.9	50.4621	10.0358		NED
122.3	50.4825	10.0025		NED
122.8	50.4804	9.9930	I=18.0, R2=20.4	USNO-B1
123.7	50.4804	9.9928		NED
124.3	50.4758	9.9844		NED
126.5	50.4783	10.0233		NED
127.5	50.4812	10.0186	h=14.2, j=15.2, k=14.2	2MASS
127.6	50.4733	9.9800		NED
128.0	50.4813	10.0186		NED
128.4	50.4149	10.0196	B=20.6, R=20.0	APM-N
129.4	50.4138	9.9928		NED
130.9	50.4183	9.9833		NED
131.1	50.4167	10.0244		NED
131.5	50.4200	10.0292		NED
133.2	50.4838	10.0158		NED
133.4	50.4104	10.0075		NED
133.9	50.4133	9.9900		NED
134.1	50.4696	9.9744		NED
135.8	50.4754	10.0314		NED
139.4	50.4792	9.9814		NED
140.2	50.4383	9.9672		NED
140.3	50.4421	9.9664		NED
141.5	50.4742	10.0347		NED
141.6	50.4550	10.0436		NED
142.1	50.4200	9.9764		NED
142.4	50.4879	10.0078		NED
142.4	50.4879	10.0081		NED
143.5	50.4229	10.0361		NED
144.5	50.4880	10.0128	B2=20.4, R1=17.3	USNO-B1
144.9	50.4858	10.0200		NED
146.0	50.4346	9.9667		NED
147.5	50.4835	10.0264	B=20.4, R=20.0	APM-N
147.7	50.4117	9.9847		NED
148.9	50.4871	9.9900		NED
149.0	50.4154	9.9789		NED
149.5	50.4708	9.9700		NED
149.6	50.4446	10.0464		NED
149.7	50.4596	9.9650		NED
152.6	50.4154	10.0328		NED
152.7	50.4171	9.9756		NED
153.2	50.4050	10.0089		NED
156.1	50.4100	10.0272		NED
157.1	50.4233	9.9689		NED
157.8	50.4525	10.0486		NED
158.1	50.4925	10.0058		NED
158.2	50.4926	10.0057	B=20.6, R=19.4	APM-N
160.6	50.4033	10.0139		NED
161.2	50.4892	9.9858		NED
161.6	50.4717	9.9667		NED
161.9	50.4936	10.0018	B=20.6, R=19.9	APM-N
163.0	50.4396	9.9606		NED
163.7	50.4921	9.9922		NED
165.7	50.4246	9.9653		NED
167.8	50.4951	10.0098	B=20.3, R=20.0	APM-N
168.0	50.4604	9.9600		NED
170.2	50.4071	10.0297		NED
170.6	50.4221	9.9650		NED
173.2	50.4746	10.0453		NED
173.6	50.4225	10.0461		NED
174.1	50.4012	9.9897		NED
174.4	50.4354	9.9581		NED
174.5	50.4533	9.9569		NED
175.0	50.4971	10.0019		NED
175.5	50.4594	9.9575	B=20.4, R=20.0	APM-N
175.8	50.4304	10.0508		NED
176.3	50.4588	10.0528		NED
179.9	50.4838	9.9697		NED
180.4	50.3988	10.0183		NED
180.5	50.4496	10.0550		NED
181.4	50.4486	10.0554	B=20.6, R=20.0	APM-N
181.7	50.4650	9.9575		NED
181.7	50.4983	9.9961		NED
183.3	50.4404	9.9547		NED
185.2	50.4683	10.0525		NED
186.2	50.4208	9.9608		NED
186.3	50.4342	9.9550		NED
186.6	50.4446	10.0567		NED
188.9	50.4863	10.0414		NED
189.1	50.4954	9.9808		NED
193.0	50.4975	9.9828		NED
193.8	50.4129	9.9636		NED
194.7	50.4263	10.0547		NED
195.2	50.4225	10.0531		NED
197.4	50.4250	9.9550		NED
198.1	50.4696	10.0558		NED
198.4	50.4783	10.0514		NED
198.5	50.4915	9.9703	B=19.1, R=20.0	APM-N
199.4	50.4917	10.0400		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