Clear Sky Chart

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Distance Mi	Bear -ing	S p o n s o r e d?	Chart	Preview color key	Light Pollution	Prov/State	Comments/Links
0			Bear Branch Nature Center			Maryland	A nature center and planetarium. Home to the Westminster Astronomical Society.
13	E		Prettyboy Reservoir			Maryland	A reservior surrounded by parkland.
< 15			Marstown Observatory			Maryland	A private observatory near New Windsor.
< 15			Willow Oak Observatory			Maryland	A private observatory somewhere around Gamber.
15	SE		Reisterstown			Maryland	Home to the Soldiers Delight Natural Environment Area.
15	W		Ladiesburg			Maryland	A town in Frederick County.
16	SE		Walgrove Observatory			Maryland	A private observatory in Reisterstown.
17	NE		Codorus Creek Observatory			Pennsylvania	Private observator near Spring Grove
19	NW		Gettysburg College Observatory			Pennsylvania	Observatory on the campus of Gettsyburg College.
23	N		Lake Meade Observatory			Pennsylvania	A private observatory.
23	NE		YCAS Stewartstown Observing Site			Pennsylvania	An observing site of the York County Astronomical Society. In Hopewell Township, near Stewartstown.
23	S		Alpha Ridge Park			Maryland	Observatory and star party site of the Howard Astronomical League(HAL). Park of Howard County. Near Marriottsville, MD.
23	S		Carr's Mill Park			Maryland	A park with no facilities, occasionally used by the Howard Astronomical League for impromptu members-only events. In Howard county.
23	SW		Mount Airy Observatory			Maryland	A private observatory of a member of the Howard Astronomical League.
24	E		Sola Virtus Observatory			Maryland	A private observatory somewhere around White Hall.
24	NE		Sterner Observatory			Pennsylvania	A private observatory.
24	S		Mount Pleasant			Maryland	Part of the The Howard County Conservancy.
24	SE		Dulaney Springs Park			Maryland	An observing site of the Baltimore County Casual Astronomers. Near Hampton.
26	S		Bluebird Observatory			Maryland	A private observatory owned by Jerry Persall and open to visitors by appointment.
26	W		Catoctin Mountain Park			Maryland	Park, east of Hagerstown.
28	SW		Digital Monastery Observatory			Maryland	A private observatory near Frederick.
29	E		Kennard Dale High School			Pennsylvania	A High school in Fawn Grove.
30	NE		YCAS Observatory			Pennsylvania	observatory and home of the York County Astronomical Society. At John C. Rudy County Park.
30	SW		Little Bennett Regional Park			Maryland	A campground near Clarksburg
31	NW		Piney Mountain			Pennsylvania	A spot near the summit of Piney Mountain, used by the Chesmont Astronomical Society and called DS-3.
31	SE		UMBC Observatory			Maryland	Observatory of University of Maryland, Baltimore County.
32	SE		Baltimore			Maryland	Home of the Baltimore Astronomical Society.
32	W		Tomstown			Pennsylvania
33	SW		Middletown			Maryland	In Frederick county.
34	W		Greenbrier State Park			Maryland	State Park near Boonsboro.
35	N		Edward L. Naylor Astronomical Center & Observatory			Pennsylvania	A group of observatorie of the Astronomical Society of Harrisburg, PA.. Near Lewisberry.
35	S		Ashton Observatory at Johnson Farms			Maryland	A private observatory of a member of the Howard Astronomical League.
35	W		Beaver Creek Observatory			Maryland	An observatory of the Tri-State Astronomers.
36	S		Montgomery County Astrophysical Observatory			Maryland	Aka MCAO, a private observatory, near Derwood.
37	N		Shelly Island Observatory			Pennsylvania	A private observatory near Goldsboro.
38	E		Harford Community College Observatory			Maryland	Observatory of Harford Community College. Also used by the Harford County Astronomical Society. Near Bel Air.
38	SE		Martin State Airport			Maryland	airport.
39	E		Broad Creek			Maryland	A Memorial Scout Reservation used, with permission, as a dark-sky site by the Harford County Astronomical Society.
39	E		Susquehannock State Park			Pennsylvania	State Park. Home of the York County Star Party, Near Drumore.
40	E		Ryan Observatory			Pennsylvania	At Muddy Run. Observatory operated by the Rittenhouse Astronomical Society in coordination with the Astronomy Enthusiasts of Lancaster County. In Muddy Run Park.
40	N		Michael L. Britton Observatory			Pennsylvania	An observatory of Dickinson College in Carlisle. Used by the Dickinson College Astronomy Club.
40	NE		Stella Nova Observatory			Pennsylvania	Near Conestoga.
40	W		Greencastle			Pennsylvania
41	NW		Chambersburg			Pennsylvania
42	NE		Cruz Observatory			Pennsylvania	A private observatory.
42	S		ALPHA Observatory			Maryland	Observatory of Capitol Technology University.
43	S		Potomac Astrometric Observatory			Maryland	A observatory for personal GRB and cataclysmic variable research
44	N		Harrisburg			Pennsylvania	Home of the Astronomical Society of Harrisburg.
44	S		University of Maryland Observatory			Maryland	Observatory of University of Maryland Home of the National Capital Astronomers. in College Park.
45	NE		Grundy Observatory			Pennsylvania	Observatory of Franklin and Marshall College which is also the meeting place of the Astronomy Enthusiasts of Lancaster County.
46	SW		Sweet Run State Park			Virginia	State park used by the Northern Virginia Astronomy Club (NOVAC).
46	W		Shepherd University Observatory			West Virginia	Observatory of Shepherd University in Shepherdstown.
48	NE		Manheim Township Planetarium			Pennsylvania	Planetarium of Manheim Township Middle School . In Lancaster
48	S		Great Falls Observatory Park			Virginia	Astronomy park of the Analemma Sociey. In Great Falls and close to Reston.
48	SW		Leesburg			Virginia
48	W		Falling Waters			West Virginia
49	E		Fishing Battery Island			Maryland	Used by some members of the Howard Astronomical League. Near Havre de Grace.
49	S		Bowie			Maryland
49	SE		AACC Astronomy Lab			Maryland	Observatory of Anne Arundel Community College, and home of the AACC Astronomy Club.
49	SW		Beaglehaven Observatory			Virginia	A private observatory of a member of NOVAC. Somehwere around Ashburn.
50	NE		Sanctuary Observatory			Pennsylvania	A private observatory in Manheim.
50	S		USNO			DC	The U.S. Naval Observatory.
51	E		Echo Hill Outdoor School			Maryland	A school near Worton.
51	NE		Lititz			Pennsylvania	Meeting place of the Astronomy Enthusiasts of Lancaster County (AELC).
52	S		Smithsonian NASM Public Observatory			DC	AKA Smithsonian National Air and Space Museum Public Observatory. In Washington.
52	S		Washington			DC	Nearby to some members of the Northern Virginia Astronomy Club.
52	SW		Moonridge Observatory			West Virginia	A private observatory near Harpers Ferry.
53	NE		Annville			Pennsylvania	Centered on Annville-Cleona Secondary School.
53	S		Vienna			Virginia
53	SE		Quiet Pond Observatory			Maryland	A private observatory of a member of the Amateur Astronomers Association of Princeton.
53	SE		United States Naval Academy			Maryland	Link.. In Annapolis.
53	SW		Brooke Stream Manor Observatory			Virginia	A private observatory.
53	SW		Murphicus Observatory			Virginia	A private observatory in Western Loudoun County.
53	W		C&O Canal National Historical Park			Maryland	AKA Chesapeake and Ohio Canal National Historical Park. Near Clear Spring, between Hancock and Hagerstown.
54	NW		Tuscarora Shale Pit			Pennsylvania	In Tuscarora State Forest.(Phone Forest District Office #3, Blain PA, one working day in advance to have the gate on Upper Buck Ridge Rd left unlocked.)
56	SW		Camp Highroad			Virginia	A commercial campground used by the Northern Virginia Astronomy Club (NOVAC).
57	N		Little Buffalo State Park			Pennsylvania	State park near Newport.
57	SW		CHR			Virginia	A private observing site of the Northern Virginia Astronomy Club. Near Middleburg.
58	S		Old Town Observatory			Virginia	A private observatory of a member of the Northern Virginia Astronomy Club.
59	NE		Middle Creek Wildlife Management Area			Pennsylvania	Wildlife managment area and observing site of the Astronomy Enthusiasts of Lancaster County .
59	NE		Welsh Mountain Community Center			Pennsylvania	Near a dark-sky observing site used by the Astronomy Enthusiasts of Lancaster County.
59	S		George Mason Observatory			Virginia	Observatory of George Mason University.
60	E		Elk Forest			Maryland	A wildlife managment area used by the Delmarva Stargazers
60	E		Wayside Observatory			Pennsylvania	A private observatory. Chart also covers the towns of New London, Avondale, West Grove and Oxford.
61	N		Weiser State Forest			Pennsylvania	This chart is centered on a gated site, not accessible to the public, that is used by the Astronomical Society of Harrisburg,PA under a special activites agreement. Near Elizabethville.
61	S		Beacon Field Observatory			Virginia	A private observatory, associated with the Friends of Beacon Field Airport. Located near Beacon Field Airport, a former airport, now a shopping mall.
61	SW		Centreville			Virginia	Home to some members of The Northern Virginia Astronomy Club.
61	SW		Blue Ridge Regional Park			Virginia	A park not open to the general public, but bookable by scouts and other groups. Near Round Hill.
62	SW		Grenville Base Observatory			Virginia	A private observatory in the Bull Run Mountains.
64	NE		Cadmus Homestead Observatory			Pennsylvania	A private observatory near Robesonia.
64	S		Fort Washington Park			Maryland	A historic national park in Fort Washington.
65	NW		Persephone Observatory			Pennsylvania	A private observatory near Three Springs.
65	S		Bunny Foo-Foo Observatory			Maryland	A private observatory in Fort Washington.
66	E		Coatesville			Pennsylvania	Home to some members of the the DVAA.
66	E		Starlight Observatory			Delaware	A private observatory somewhere around Glasgow.
66	SE		TBM Observatory			Maryland	A private observatory.
66	SW		Hopewell Observatory			Virginia	In the Bull Run Mountains.
66	SW		NOVAC Turner Mountain			Virginia	An observing site of Northern Virginia Astronomy Club. On private land.
66	W		Morgan County Observatory			West Virginia	Observatory of the Morgan County Observatory Foundation. Near Berkeley Springs.
67	SE		Rich Neck Observatory			Maryland	A private observatory.
68	E		Summit Observatory			Delaware	A private observatory.
69	SW		Sky Meadows State Park			Virginia	A state park and International Dark-Sky Park near Paris. Used by the Northern Virginia Astronomy Club.
70	E		Snobie Observatory			Delaware	A private observatory in Bear, DE.
70	NE		StarEffects Observatory			Pennsylvania	A private observatory near Bernville.
70	S		Chesapeake Beach Veterans Memorial Park			Maryland	City park in Chesapeake Beach.
70	S		Mason Neck State Park			Virginia	State park.
71	SW		Flint Ridge Observatory			Virginia	A private observatory near Winchester.
73	E		Blackbird State Forest			Delaware	A state park at the border of New Castle and Kent Counties.
73	E		Mount Cuba Astronomical Observatory			Delaware	AKA MCAO. Observatory of the Delaware Astromical Society
73	NE		CAS DS-2			Pennsylvania	A site on Blue Mountain, used by the Chesmont Astronomical Society.
73	NE		Carpenter Observatory			Pennsylvania	An observatory of the Berks County Amateur Astronomical Society. Near Reading.
73	NE		French Creek State Gamelands			Pennsylvania	A site used by the Delaware Valley Amateur Astronomers.
73	SE		Tuckahoe State Park			Maryland	A site of the Delmarva Stargazers
74	NE		Triplet Observatory			Pennsylvania	A private observatory.
74	NW		Lewistown			Pennsylvania
74	W		Lake Holiday Observatory			Virginia	A private observatory.
75	NE		Eagle Eye Observatory			Pennsylvania	A private observatory.
76	NE		WWYS Observatory			Pennsylvania	Aka Watch Where You Step Observatory. A private observatory.
76	NW		Black Bear Hollow Observatory			Pennsylvania	A private observatory.
76	S		The Hughesville Sky-view Observatory			Maryland	A private observatory near Waldorf.
77	E		Wilmington			Delaware	Home of the Delaware Astronomical Society.
77	E		West Chester			Pennsylvania	Home of WCU Observatory and meeting place of the Chester County Astronomical Society.
79	NW		Tom's Yard			Pennsylvania	A private observatory.
80	N		Susquehanna University			Pennsylvania	Centered on the observatory of Susquehanna University. In Selinsgrove.
80	SW		C.M. Crockett Park			Virginia	A county park and recreation facility used as an observing site by the Northern Virginia Astronomy Club. In Midland.
80	SW		Lord Fairfax Community College			Virginia	Community college near Middletown. Also the meeting place of the Shenandoah Astronomical Society (SAS).
81	SW		Mountain View Observatory			Virginia	An observatory near Warrenton.
82	SW		Quiet Skies Observatory			Virginia	A private observatory of a member of the Northern Virginia Astronomy Club.
83	NE		Dark Horse Observatory			Pennsylvania	A private observatory near Phoenixville.
84	NE		Old Oak Observatory			Pennsylvania	A private observatory in Pottsgrove.
84	S		Nanjemoy Creek Observatory			Maryland	An observatory of the Southern Maryland Astronomical Society.
85	S		Stafford			Virginia
85	SE		Dover			Delaware	A town in Kent county.
85	SW		Over The Hill Observatory			Virginia	A private observatory near Flint Hill.
85	W		Rainsburg Mountain			Pennsylvania
86	NE		Pulpit Rock Astronomical Park			Pennsylvania	A campus of several observatories of the Lehigh Valley Amateur Astronomical Society between Lenhartsville and Hamburg.
86	S		Katherine Hill Observatory			Virginia	A private observatory.
87	N		The Geek Shed			Pennsylvania	A private observatory near Hartleton.
87	NE		Carlson R. Chambliss Astronomical Observatory			Pennsylvania	Observatory of Kutztown University. In Kutztown, PA.
87	SW		Capon Springs and Farms			West Virginia	A rural resort used by the Shenandoah Astronomical Society.
88	E		Widener University			Pennsylvania	University in Chester.
88	NE		Boyertown Planetarium			Pennsylvania	Planetarium of the Boyertown Area School District
88	S		Stargazer's Field Observatory			Virginia	A private observatory.
88	W		Rocky Gap State Park			Maryland	State park near Cumberland.
89	NW		Canoe Creek State Park			Pennsylvania	A state park used as an observing site by the Starlight Astronomy Club. In Canoe Creek.
89	S		King George Observatory			Virginia	A private observatory in King George.
89	SE		Golden Mean Observatory			Maryland	A private observatory.
90	E		Bradstreet Observatory			Pennsylvania	Observatory of Eastern University with public observing. In St. Davids.
90	N		Bucknell Observatory			Pennsylvania	Observatory of Bucknell University. In Lewisburg.
90	N		Southerton Observatory			Pennsylvania	A private observatory near Lewisburg.
90	SE		Killen's Pond State Park			Delaware	A state park near Harrington.
91	NW		Dog-Star Observatory			Pennsylvania	An observatory near Pennsylvania Furnace.
91	SW		CF Phelps WMA			Virginia	A wildlife mangement area used by the Northern Virginia Astronomy Club (NOVAC).
92	E		Merion Golf Club			Pennsylvania	A golf course.
92	NE		Blue Mountain Vista Observatory			Pennsylvania	A private observatory also used by members of Chesmont Astronomical Society. Near New Ringgold.
92	NE		Spring Mountain Observatory			Pennsylvania	A private observatory.
92	NW		State College			Pennsylvania	A meeting place of the Central Pennsylvania Observers
92	SW		Shenandoah County Park			Virginia	A park in Shenandoah County. Used by the Shenandoah Astronomical Society and site of monthly observing sessions
93	E		Strawbridge Observatory			Pennsylvania	Observatory of Haverford College with student-led public observing
94	NE		Candlewyck Observatory			Pennsylvania	A private observatory.
94	NW		Mt. Lion Observatory			Pennsylvania	AKA Mountain Lion Observatory at Fort Roberdeau historic site. Operated by the Starlight Astronomy Club and the Altoona Area High School.
95	E		Ash Observatory			New Jersey	A private observatory.
95	NE		West Valley Observatory			Pennsylvania	A private observatory. Near Fogelsville.
95	NW		Stardust Observatory			Pennsylvania	A private observatory near Port Matilda.
95	SE		Blackwater National Wildlife Refuge			Maryland	Centered on the Visitor Center of the refuge. Home of public star nights held by the Friends of Blackwater National Wildlife Refuge.
96	NW		Altoona			Pennsylvania	Home of the Starlight Astronomy Club .
96	SW		Ryan Observing Site			Virginia	A private observation site.
97	E		Chestnut Branch Park			New Jersey
97	N		Valley View Observatory			Pennsylvania	A private observatory near Kaseville.
97	SW		Culpeper			Virginia	A town in Culpeper County.
98	E		Sewell			New Jersey	Home of the Rowan College at Gloucester County Stargazers
98	NE		MCCC Observatory			Pennsylvania	Observatory of Montgomery County Community College. Site of observing sessions held by the Bucks Mont Astronomical Association (BMAA), Chesmont Astronomical Society (CAS) and the Delaware Valley Amateur Astronomers (DVAA).
98	SW		Mark Slade Remote Observatory			Virginia	AKA MSRO. Observatory owned by MSRO Science, Inc.
99	E		Philadelphia			Pennsylvania	Home of the Delaware Valley Amateur Astronomers.
99	W		Hidden Bend Observatory			West Virginia	A private observatory near Romney.
100	E		Rowan Astronomical Observatory			New Jersey	Observatory of Rowan University in Glassboro.
100	NE		Gwynedd Mercy College			Pennsylvania	College in Gwynedd.
100	SW		Clegg Observatory			Virginia	A private observatory near Woodstock.
100	SW		Lake of the Woods Observatory			Virginia	A private observatory (MPC I24) in Lake of the Woods.
101	SW		East Coast Video Astronomy Rendezvous			Virginia	The ECVAR star party held at The Country Waye RV Campgrounds in Luray.
103	E		Holly Dome Observatory			New Jersey	A private observatory near Millville.
103	NE		Allentown(PA)			Pennsylvania	A town in Lehigh county.
103	S		Summit Crossing Observatory			Virginia	A private observatory near Spotsylvania.
103	SW		Morning Calm Observatory			Virginia	A private observatory.
103	W		Frostburg			Maryland	"Home of the the Cumberland Astronomy Club and Frostburg State University\'s planetarium.
104	NE		LVAAS South Mountain Campus			Pennsylvania	Observatory and planeterium site of the Lehigh Valley Amateur Astronomical Society.
104	W		Morning Star Observatory			West Virginia	A private observatory.
105	NE		Park Place Observatory			Pennsylvania	A private observatory.
105	S		Tall Timbers			Maryland	A town in St. Mary's county.
106	E		Willow Grove Area			Pennsylvania	Forecast covers Willow Grove, Hatboro, Horsham, Warminster, Jenkintown and Abington.
106	N		Walnut Street Observatory			Pennsylvania	A private observatory in Berwick.
106	NW		Elton Moonshine Observatory			Pennsylvania	An observatory in Elton.
106	SE		Elliott Island road			Maryland	Centered on the parking lot of a boat launch on Elliot Island road.
107	NE		Palomar East			Pennsylvania	A private observatory somewhere around Warrington.
108	E		Pine Valley Golf Club			New Jersey	A golf course.
108	S		PostOak			Virginia
108	SE		Milton			Delaware	Home of the Sussex County Astronomy Society in Sussex county.
108	SW		Jerome			Virginia
109	NW		Prince Gallitzin State Park			Pennsylvania	State park on Glendale Lake.
110	E		Northeast Philadelphia Airport			Pennsylvania
110	E		Sky Bright Observatory			New Jersey	A private observatory.
110	N		Williamsport			Pennsylvania	Home of the Pennsylvania College of Technology.
110	SW		Big Meadows			Virginia	A site in Shenandoah National Park used by the Northern Virginia Astronomy Club.
111	NE		Eckley Miners' Village			Pennsylvania	An observing site of the Greater Hazleton Area Astronomical Society.
112	N		Whispering Pines Camping Estates			Pennsylvania	A campground near Stillwater.
112	NE		Astro-chalet			Pennsylvania	A private observatory.
112	NE		Buckingham			Pennsylvania
112	SE		Trap Pond State Park			Delaware	state park near Laurel.
112	SW		Belmont Observatory			Virginia	A private observatory. Affiliated with the Rappahannock Astronomy Club.
114	E		Justin's Space Pictures Observatory			New Jersey	A private observatory.
114	NE		Camp Onas			Pennsylvania	Near Ottsville. Site of the Stella-Della Valley Star Party and used by the BMAA
114	SW		Mountain Meadows Observatory			West Virginia	Private Observatory near Lost River State Park.
115	NE		Celestial Exploration Observatory			Pennsylvania	A private observatory.
115	S		Point Lookout State Park			Maryland	State park where Chesapeak Bay and the Potomac join.
116	SE		Salisbury			Maryland
117	E		Belleplain State Forest			New Jersey	Site of the South Jersey Star Party by the South Jersey Astronomy Club
117	NE		Solebury Mountain Observatory			Pennsylvania	A private observatory on Solebury Mountain. Also near Washington Crossing State Park.
117	SE		Rehoboth Beach			Delaware
118	E		Levittown			Pennsylvania
118	E		Joseph D. Tatem Observatory			New Jersey	Near Medford lakes.
118	N		State Camp			Pennsylvania	A dark sky site called "State Camp" by members of the Central Pennsylvania Observers. Actually Dennison Overlook in Sproul State Forest.
118	SW		Lagniappe Farm			Virginia	A private observing site of a member of the Charlottesville Astronomical Society.
119	E		JAT Observatory			Pennsylvania	A private observatory near Fairless Hills.

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