Table 1: Observations.

Name	RA	Dec	W50	H  I det.	Photom.	Optical
	VLA	VLA	VLA	Arecibo		emission
	(J2000.0)		(km s-1)			lines
ne-112	16 06 37.6	18 23 49	262	yes
ne-142	16 06 22.5	18 00 03	171	yes
ne-178	16 06 13.8	17 57 11	217	yes
ne-204	16 06 05.9	18 09 20	125	yes
ne-208	16 06 05.7	18 16 43	125	yes
ne-240	16 05 58.1	18 24 41	262	conf.
ne-250	16 05 52.2	18 27 58	307	yes
ne-398	16 04 18.0	18 14 06	352	weak
ce-042	16 06 00.1	17 45 54	216:	yes	B,V,i	yes
ce-048	16 05 55.7	17 42 39	171	conf.	B,V,i	yes
ce-060	16 05 44.6	17 42 19	171	conf.	B,V,i	no
ce-061	16 05 41.1	17 48 00	216	conf	B,V,i	yes
ce-143	16 05 20.6	17 52 02	171	yes	V,i	yes
ce-176	16 05 09.9	17 51 20	171	yes	B,V,i	yes
ce-200	16 05 06.7	17 47 00	216	conf.	B,V,i	yes
sw-103	16 04 00.6	17 15 13	261	yes	B,V,i
sw-194	16 01 07.1	17 20 16	395	-	B,V,i
sw-222	16 03 05.8	17 10 14	261	yes	V,i	yes
47-138	16 00 17.5	15 53 15	216	-
47-154	16 02 26.6	15 57 36	372	no
47-166	16 02 16.2	16 04 41	261	yes
47-211	16 01 55.8	15 42 29	261	yes

Arecibo H  I data: conf. indicates a spectrum confused by nearby galaxies, - Objects for which no sensitive spectra could be obtained (see Sect. 3.1).