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	July-September Objects				Object Size/		Rating		                       For Best View:		                       Coordinates					
	Name	Constellation	Object Type	Magnitudes	Double Star Separation	Dob	small	binocs	sky	magnification	Right Ascension	Declination	notes	page	additional description	
																
	M13	Hercules	Globular Cluster	5.8	20'	4	4	3	any	medium	16 H 41.7 min.	36¡ 27'	best globular in the northern sky	120	beautiful globular cluster with intermediate concentration - awesome Dob object	
	Sigma Coronae Borealis	Corona Borealis	Multiple Star	"5.6, 6.5"	"7.1"""	2	2	x	steady	high	16 H 14.7 min.	33¡ 51Õ'	double star near M13	121	lovely double	
	Delta Herculis	Hercules	Double Star	"3.1, 8.3"	"11"""	1	x	x	steady	highest	17 H 15 min.	24¡ 50Õ'	unequal double star in Hercules	121	challenging Dob double with a large brightnes contrast	
	NGC 6207	Hercules	Galaxy	11.4	"3' by 1.2' , NNE-SSW"	2	x	x	dark	medium	16 H 43.1 min.	36¡ 50'	dim galaxy very near M13	121	spiral galaxy; a Dob challenge close to M13	
	M92	Hercules	Globular Cluster	6.5	14'	3	3	1	dark	medium	17 H 17.1 min.	43¡ 9'	bright globular cluster	122	globular cluster; intermediate rich concentation	
	Rho Herculis	Hercules	Double Star	"4.5, 5.4"	"4.0"""	2	1	x	steady	highest	17 H 23.7 min.	37¡ 9Õ'	double star in  Hercules' 'keystone'	123	pleasant Dob double	
	"Alpha Herculis, Ras Algethi"	Hercules	Double (& variable) Star	"3.5, 5.4"	"4.9"""	3	2	x	steady	high	17 H 14.6 min.	14¡ 23Õ'	colorful double star	124	nice red-green pair	
	M5	Serpens	Globular Cluster	8.3	20'	3	3	1	dark	low	15 H 18.5 min.	2¡ 5'	bright globular cluster	124	impressive globular cluster; intermediate concentration	
	M12	Ophiucus	Globular Cluster	8.4	16'	3	2	1	dark	medium	16 H 47.2 min.	-1¡ 57'	"globular cluster, near M10"	126	"globular cluster; looks a tad smaller, brighter and less easily resolved than its partner, M12"	
	M10	Ophiucus	Globular Cluster	8.4	20'	3	2	1	dark	medium	16 H 57.1 min.	-4¡ 7'	"globular cluster, near M12"	126	"globular cluster; looks a tad larger, dimmer and more easily resolved than its partner, M10"	
	"Epsilon Lyrae, Double-Double"	Lyra	Quadruple Star	"5.2, 6.1,5.3, 5.4 "	"208"", 2.3"", 2.3"""	4	3	2	steady	high	18 H 44.4 min.	39¡ 38Õ'	the great 'double-double'	128	maybe the niftiest multiple star in the sky - two widely-spaced close white pairs	
	Zeta Lyrae	Lyra	Double Star	"4.3, 5.6"	"44"""	1	1	1	steady	low	18 H 44.8 min.	37¡ 36Õ'	wide double star	128	very wide double - easy but not terribly interesting	
	"Struve 2470, D-DÕs double"	Lyra	Double Star	"7.0, 8.4"	"14"""	2	2	x	steady	medium	19 H 8.8 min.	34¡ 46Õ'	half of the 'double-double's double'	128	"nice white pair, in the same field with the similar Struve 2474"	
	"Struve 2474, D-DÕs double"	Lyra	Double Star	"6.8, 7.9"	"16"""	2	2	x	steady	medium	19 H 8.8 min.	34¡ 46Õ'	half of the 'double-double's double'	128	"nice yellow pair, in the same field with the similar Struve 2470"	
	Struve 2725	Delphinus	Double Star	"7.5, 8.2"	"6.0"""	2	2	x	steady	high	20 H 46.2 min.	15¡ 54Õ'	"double star, near Gamma Delphini"	128	dim white pair near Gamma Delphini	
	Gamma Delphini	Delphinus	Double Star	"4.4, 5.0"	"9.1"""	3	3	x	steady	high	20 H 46.7 min.	16¡ 8Õ'	"double star, near Struve 2725"	128	"very prett orange-lime colored pair, with the much dimmer pair Struve 2725 nearby"	
	61 Cygni	Cygnus	Double Star	"5.2, 6.1"	"31"""	2	2	x	any	medium	21 H 6.6 min.	38¡ 42Õ'	"pretty, nearby double star"	128	"easy, wide orange pair; only 11.4 light years away"	
	M57	Lyra	Planetary Nebula	8.8	"1' by 1.7', NE-SE"	4	3	x	dark	high	18 H 53.6 min.	33¡ 2Õ'	Ring Nebula	130	the great Ring Nebula - a pretty little smoke ring even in small telescopes	
	Beta Lyrae	Lyra	Variable (& double) Star	"3.3-4.3, 6.7"	"46"""	1	1	1	any	low	18 H 50.1 min.	33¡ 22Õ'	eclipsing variable (and wide double)	131	famous eclipsing variable star near M57	
	Otto Struve 525	Lyra	Triple Star	"6.1, 9.1, 7.6"	"1.8"", 45"""	3	2	x	steady	high	18 H 54.9 min.	41¡ 36Õ'	pretty double near M57	131	dim but pretty yellow-blue pair near M57; high X in a Db shows a dim third companion	
	"Beta Cygni, Albireo"	Cygnus	Double Star	"3.2, 4.7"	"37"""	4	4	x	any	medium	19 H 30.7 min.	27¡ 58Õ'	colorful double star	132	maybe the finest colorful double star in the sky; a bright orange-blue pair	
	Epsilon Sagittae	Sagitta	Double Star	"5.8, 8.4"	"87"""	1	1	x	any	low	19 H 37.3 min.	16¡ 28Õ'	wide double near M71	139	"dim, with a very distant faint companion"	
	HN 84	Sagitta	Double Star	"6.4, 9.5"	"28"""	1	1	x	any	low	19 H 39.4 min.	16¡ 34Õ'	wide double near M71	139	"dim, with a distant, very faint companion"	
	M56	Lyra	Globular Cluster	8.4	8'	2	1	x	dark	medium	19 H 16.6 min.	30¡ 10'	globular between Albireo & M57	132	"globular cluster; small and hazy, grainy in a Dob"	
	M29	Cygnus	Open Cluster	6.6	10'	2	2	1	any	low	20 H 23.9 min.	38¡ 31'	open cluster in Cygnus Milky Way	133	open cluster; poor with large brightness range and strong central concentration	
	M39	Cygnus	Open Cluster	4.6	30'	1	2	2	any	low	21 H 32.2 min.	48¡ 26'	open cluster in Cygnus Milky Way	133	open cluster; poor with medium brightness range and strong central concentration	
	16 Cygni	Cygnus	"Double Star, Exoplanets"	"6.0, 6.2"	"40"""	1	2	x	any	low	19 H 41.8 min.	50¡ 31Õ'	 double near the blinking planetary	134	"wide, equal pair of yellow stars"	
	"NGC 6826, Blinking Nebula "	Cygnus	Planetary Nebula	8.8	0.6'	3	2	x	dark	high	19 H 44.8 min.	50¡ 31Õ'	remarkable little planetary nebula	134	"with direct vision, wonderful little planetary nebula fades, and central star appears"	
	R Cygni	Cygnus	Variable Star	6.1-14.4; 426 days		1	1	x	any	low	19 H 36.8 min.	50¡ 12'	red variable star	135	"red variable - ranging in brightness from easy to see in a finder to invisible in an 8"" Dob"	
	M27	Vulpecula	Planetary Nebula	7.4	6'	4	4	1	dark	medium	19 H 59.6 min.	22¡ 43Õ'	the great Dumbbell Nebula	136	possibly the most beautiful planetary nebula in the sky - a ghostly bowtie/dumbbell	
	M71	Sagitta	Globular Cluster	8.4	7'	3	3	1	dark	medium	19 H 53.7 min.	18¡ 47'	globular cluster in Sagitta	138	"a globular cluster; not particularly bright, but grainy-looking"	
	Zeta Sagittae	Sagitta	Double Star	"5.0, 9.0"	"8.1"""	2	1	x	any	low	19 H 49 min.	19¡ 8Õ'	double star near M71	139	unequal double	
	Theta Sagittae	Sagitta	Double Star	"6.6, 8.9"	"12"""	1	1	x	any	low	20 H 9.9 min.	20¡ 55Õ'	double star in Sagitta	139	rather dim star with a dim companion in a crowded field	
	"BrocchiÕs, Coathanger"	Vulpecula	Open Cluster		80'	x	x	3	any	lowest	19 H 25.4 min.	20¡ 11'	 binocular 'Coathanger' asterism	139	"much too large for a telescope, but a pretty asterism in binoculars or finderscope"	
	M11	Scutum	Open Cluster	8.4	11'	4	3	1	dark	medium	18 H 51.1 min.	-6¡ 16'	 'Wild Ducks' open cluster in Scutum	140	open cluster; rich with medium brightness range and strong central concentration - wow!	
	Struve 2391	Scutum	Double Star	"6.5, 9.6"	"38"""	1	1	x	any	low	18 H 48.7 min.	-6¡ 2Õ'	wide double near M11	141	"unequal, wide double close to M11"	
	15 Aquilae	Aquila	Double Star	"5.5, 7.0"	"39"""	2	2	x	any	low	19 H 5 min.	-4¡ 2Õ'	wide double near M11	141	wide yellow-blue pair	
	M26	Scutum	Open Cluster	8	10'	2	1	1	dark	low	18 H 45.3 min.	-9¡ 23'	open cluster near M11	141	open cluster; moderately rich with small brightness range and strong central concentration	
	R Scuti	Scutum	Variable Star	4.2-8.6; 146 days		1	1	1	any	low	18 H 47.5 min.	-5¡ 43'	variable star near M11	141	variable star close to M11	
	V Aquilae	Aquila	Carbon Star	6.8		2	2	2	any	low	19 H 4.4 min.	-5¡ 41'	deep red 'carbon' variable star	141	lovely deep red variabe star	
	M16	Serpens	Open Cluster	6	8'	2	1	1	dark	low	18 H 18.8 min.	-13¡ 47'	open cluster near M17	142	open cluster	
	M18	Sagittarius	Open Cluster	6.9	7'	1	1	x	dark	low	18 H 19.9 min.	-17¡ 8'	open cluster near M17	142	open cluster	
	M17	Sagittarius	Diffuse Nebula	6	15' by 20'	4	3	2	dark	low	18 H 20.8 min.	-16¡ 11'	the Swan Nebula	142	"beautiful nebula; the brightest parts look like a swan or a check mark, in a rich starfield"	
	M23	Sagittarius	Open Cluster	5.5	25'	2	3	4	dark	low	17 H 56.9 min.	-19¡ 1'	open cluster near M25 in Sagittarius	144	open cluster; a Dob resolves grainy haze into 50 stars	
	M25	Sagittarius	Open Cluster	4.6	25'	2	3	4	dark	low	18 H 31.7 min.	-19¡ 15'	open cluster near M23 in Sagittarius	144	"open cluster; a wide sprinkling of stars, including Cepheid variable U Sagitarii"	
	M24	Sagittarius	Open Cluster	4.6	90'	1	2	3	dark	low	18 H 18.4 min.	-18¡ 26'	open cluster near M23 & M25	145	"huge star cloud, visible to naked eye but too large to see well in a telescope"	
	U Sagittarii	Sagittarius	Cepheid Variable Star	6.28-7.16; 6 days and 18 hours		1	1	1	any	low	18 H 31.8 min.	-19¡ 22'	Cepheid variable star	145	"Cepheid variable in M25; at maximum, clearly the brightest in the cluster - at minimum, not"	
	NGC 6530	Sagittarius	Open Cluster	4.6	15'	2	2	1	any	medium	18 H 4.7 min.	-24¡ 20'	open cluster enmeshed in M8	146	"pretty open cluster, enveloped by M8"	
	M8	Sagittarius	Diffuse Nebula	7.7	30' by 45'	4	3	3	dark	medium	18 H 4.7 min.	-24¡ 23'	"Lagoon Nebula, engulfing NGC 6530"	146	"awesome and intricate emission nebula, enveloping open cluster NGC 6530"	
	M21	Sagittarius	Open Cluster	5.9	16'	2	1	x	any	medium	18 H 4.8 min.	-22¡ 30'	open cluster near M20	148	open cluster; moderately rich with large brightness range and strong central concentration	
	M20	Sagittarius	Diffuse Nebula	6.3	20'	3	2	2	dark	medium	18 H 1.9 min.	-23¡ 2'	the Trifid Nebula	148	Trifid Nebula; the 'trifid' (in 3 parts) reason for the name is clear only with larger apertures	
	HN40	Sagittarius	Triple Star	"7.6, 10.4, 8.7"	"6.1"", 11"""	2	1	x	steady	high	18 H 2.3 min.	-23¡ 2Õ'	multiple star inside M20	149	"brightest star in M20; multiple: 2, 3, or 4 members depending on 'scope and conditions)"	
	Xi Lupi	Lupus	Double Star	"5.1, 5.6"	"10"""	3	3	x	steady	high	15 H 56.9 min.	-33¡ 58Õ'	double star in Lupus	150	blue-blue pair	
	Eta Lupi	Lupus	Triple Star	"3.4, 7.5, 9.4"	"14"", 116"""	1	1	x	steady	high	16 H 0.1 min.	-38¡ 24Õ'	double star in Lupus	150	unequal triple star; a much dimmer companion and a distant vasty dimmer compannion	
	Xi Scorpii	Scorpius	Triple Star	"5.2, 4.9, 7.3"	"0.9"", 7.9"""	3	1	x	steady	high	16 H 4.4 min.	-11¡ 22Õ'	"multiple star, next to Struve 1999"	150	"nice yellow-orange pair; the brighter is a close, tough Dob challenge; near Struve 1999"	
	Struve 1999	Scorpius	Double Star	"7.5, 8.1"	"12"""	1	1	x	steady	high	16 H 4.5 min.	-11¡ 26Õ'	"double star, next to Xi Scorpii"	150	dim yellow pair in same field as Xi Scorpii	
	"Beta Scorpii, Graffias"	Scorpius	Double Star	"2.6, 4.5"	"12"""	2	2	x	steady	high	16 H 5.4 min.	-19¡ 51Õ'	"bright, pretty double star in Scorpius"	150	bright yellow-blue pair	
	Nu Scorpii	Scorpius	Double Star	"4.4, 5.3, 6.6, 7.2"	"1.3"", 41"", 42"""	2	1	x	steady	high	16 H 12 min.	-19¡ 28Õ'	challenging double-double	150	"nice, very wide pair of challenging dob dobles - one challenging, the other very challenging"	
	"Alpha Scorpii, Antares"	Scorpius	Double Star	"1.0, 5.4"	"2.6"""	1	x	x	steady	high	16 H 29.4 min.	-26¡ 26Õ'	difficult Dob challenge double	150	much dimmer companion; if visible in a big Dob it looks greenish against red Antares	
	24 Ophiuchi	Ophiucus	Double Star	"6.3, 6.3"	"1.0"""	1	x	x	steady	high	16 H 56.8 min.	-23¡ 9Õ'	challenging Dob double star	150	"extremely close, challenging equal blue pair"	
	36 Ophiuchi	Ophiucus	Double Star	"5.1, 5.1"	"4.9"""	2	1	x	steady	high	17 H 15.4 min.	-26¡ 35Õ'	double star in Ophiuchus	150	equal orange pair with somewhat dimmer companion far away	
	Omicron Ophiuchi	Ophiucus	Double Star	"5.2, 6.6"	"10"""	3	3	x	steady	high	17 H 18 min.	-24¡ 17Õ'	pretty double star in Ophiuchus	150	orange-blue pair	
	M80	Scorpius	Globular Cluster	7.3	10'	2	1	x	dark	medium	16 H 17.1 min.	-22¡ 59'	globular near M4	152	globular cluster with dense central concentration; makes stark contrast with nearby M4	
	M4	Scorpius	Globular Cluster	4.6	35'	3	2	1	dark	medium	16 H 23.7 min.	-26¡ 31'	globular cluster near Antares	152	"big, pretty globular cluster near Antares; easy to resolve into stars"	
	M62	Oph.-Sco.	Globular Cluster	6.4	15'	3	2	1	dark	medium	16 H 54.3 min.	-30¡ 8'	"globular in Ophiuchus, near M19"	154	globular cluster; intermediate rich concentation; not far from M19	
	M19	Ophiucus	Globular Cluster	6.8	17'	3	2	1	dark	medium	17 H 2.6 min.	-26¡ 15'	"globular in Ophiuchus, near M62"	154	"globular cluster, not far fom M62"	
	RR Scorpii	Scorpius	Variable Star	5.0-12.4; 281 days		1	1	x	dark	medium	16 H 56.6 min.	-30¡ 35'	variable star near M62	155	"red Mira-type variable, ranging from just short of naked-eye to too dim for a small 'scope"	
	M6	Scorpius	Open Cluster	9.7	30'	2	3	3	dark	low	17 H 40.1 min.	-32¡ 13'	"large,bright Scorpius open cluster"	156	open cluster; poor with medium brightness range and strong central concentration	
	M7	Scorpius	Open Cluster	8.3	75'	2	3	4	dark	low	17 H 54 min.	-34¡ 49'	"large, bright Scorpius open cluster"	156	open cluster; rich with medium brightness range and strong central concentration	
	BM Scorpii	Scorpius	Variable Star	5.25-6.46		1	1	x	any	low	17 H 41.0 min.	-32¡ 13'	variable star in M6	157	bright orange variable star near eastern (trailing) edge of M6	
	HD 160202	Scorpius	Flare Star	"6.7, except during rare flares"		1	1	1	any	low	17 H 40.0 min.	 -31¡ 12'	flare star	158	normally just one of the brighter stars in M6 - but be alert for a flare!	
	M28	Sagittarius	Globular Cluster	6.9	13'	2	2	1	dark	medium	18 H 24.6 min.	-24¡ 52'	"globular cluster, near M22"	158	globular cluster; intermediate rich concentation	
	M22	Sagittarius	Globular Cluster	5.2	30'	4	3	2	dark	medium	18 H 36.4 min.	-23¡ 56'	one of the best globulars in the sky	158	a truly wonderful and easily resolved globular cluster - among the top 4 in the sky	
	M54	Sagittarius	Globular Cluster	7.7	12'	2	1	x	dark	medium	18 H 55.2 min.	-30¡ 28'	globular cluster in Sagittarius	160	globular cluster; strong inner core of stars	
	M55	Sagittarius	Globular Cluster	6.3	19'	2	1	x	dark	medium	19 H 40.1 min.	-30¡ 56'	globular cluster in Sagittarius	160	globular cluster	
	"Zeta Sagittarii, Ascella"	Sagittarius	Double Star	"3.3, 3.5"	"0.5"""	1	x	x	steady	highest	19 H 2.6 min.	-29¡ 53Õ'	extreme Dob challenge	160	"even pair; too close to split, except (maybe) 2014-2018 in a big Dob under perfect conditions"