**Table 1:** Selected objects.
Object	$\alpha$ (2000)	$\delta$ (2000)	l	b	d(pc)	$\theta$ ( $^{\prime\prime}$ )	Other names
NGC 1535	$04^{\rm {h}}14^{\rm {m}}15\hbox{$.\!\!^{\rm s}$ }6$	$-12^{\rm {h}} 44^{\rm {m}} 22\hbox{$.\!\!^{\rm s}$ }5$	$206\hbox{$.\!\!^\circ$ }48$	-40 $.\!\!^\circ$ 56	1649 [2]	9.2 [2]	PK 206-40 1
					2140 [1]
					2283 [3]
NGC 2438	07 41 50.3	-14 44 08.8	231.80	4.12	1519 [2]	35.2 [2]	PK 231+04 2
					850 [1]
					1203 [3]
NGC 2440	07 41 55.3	-18 12 30.5	234.84	2.42	1088 [2]	16.4 [2]	PK 234+02 1
					1010 [1]
					1348 [3]
NGC 3132	10 07 01.7	-40 26 11.7	272.11	12.40	1079 [2]	28.0 [2]	PK 272+12 1
					1110 [1]
					1251 [3]
NGC 3242	10 24 46.0	-18 38 32.3	261.05	32.05	810 [2]	20.2 [2]	PK 261+321, Ghost of Jupiter Nebula
					860 [1]
					1083 [3]
NGC 6302	17 13 44.6	-37 06 11.7	349.51	1.06	415 [2]	22.3 [2]	PK 349+01 1, Bug Nebula, Gum 60
					950 [1]
					525 [3]
NGC 6563	18 12 02.5	-33 52 06.0	358.50	-7.34	1867 [2]	22.6 [2]	PK 358-07 1
					1270 [1]
					1631 [3]
NGC 6781	19 18 28.2	06 32 23.0	41.84	-2.99	904 [2]	35.0 [2]	PK 041-02 1
					910 [1]
					699 [3]
NGC 6853	19 59 36.2	22 43 15.6	60.84	-3.70	400 [2]	100.0 [2]	M 27, PK 060-03 1, Dumbbell Nebula
					250 [1]
					262 [1]
NGC 7009	21 04 10.8	-11 21 48.0	37.76	-34.57	871 [2]	13.4 [2]	PK 037-34 1, Saturn Nebula
					1280 [1]
					1201 [3]

References: [1] Cahn & Kaler (1971); [2] Maciel & Pottasch (1980); [3] Cahn et al. (1992).
Conventions: $\alpha$ , $\delta$ : equatorial coordinates; l, b: galactic coordinates, in degree; d: distance; $\theta$ : angular radius.
Catalogues: ${\rm Gum}=$ Gum (1955); ${\rm PK}=$ Perek & Kohoutek (1967).

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