S p o n s o r e d ? | Chart | Preview color key | Light Pollution | Comments/Links |
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| AACC Astronomy Lab | ![](/c/AACCMDcs0.gif?1) | | Observatory of Anne Arundel Community College, and home of the
AACC Astronomy Club. |
| ALPHA Observatory | ![](/c/ALPHAObMDcs0.gif?1) | | Observatory of Capitol Technology University. |
![Sponsored!](/csk/etc/redstar.gif) | Alpha Ridge Park | ![](/c/AlphRSPMDcs0.gif?1) | | Observatory and star party site of the
Howard Astronomical League(HAL).
Park of Howard County.
Near Marriottsville, MD. |
| Ashton Observatory at Johnson Farms | ![](/c/AshtnObMDcs0.gif?1) | | A private observatory of a member of the Howard Astronomical League. |
| Baltimore | ![](/c/BaltimoreMDcs0.gif?1) | | Home of the Baltimore Astronomical Society. |
| Bear Branch Nature Center | ![](/c/BearBraMDcs0.gif?1) | | A nature center and planetarium. Home to the Westminster Astronomical Society. |
| Beaver Creek Observatory | ![](/c/BvrCrkObMDcs0.gif?1) | | An observatory of the Tri-State Astronomers. |
| Blackwater National Wildlife Refuge | ![](/c/BNWRVCMDcs0.gif?1) | | Centered on the Visitor Center of the
refuge. Home of public star nights held by the
Friends of Blackwater National Wildlife Refuge. |
| Bluebird Observatory | ![](/c/BlueBirdObMDcs0.gif?1) | | A private observatory owned by Jerry Persall and open to visitors by appointment. |
| Bowie | ![](/c/BwMDcs0.gif?1) | | |
| Broad Creek | ![](/c/BrdCrkMDcs0.gif?1) | | A Memorial Scout Reservation used, with permission,
as a dark-sky site by the Harford County Astronomical Society. |
| Bunny Foo-Foo Observatory | ![](/c/BFFObMDcs0.gif?1) | | A private observatory in Fort Washington. |
| C&O Canal National Historical Park | ![](/c/CONHPMDcs0.gif?1) | | AKA Chesapeake and Ohio Canal National Historical Park. Near Clear Spring, between Hancock and Hagerstown. |
![Sponsored!](/csk/etc/redstar.gif) | Carr's Mill Park | ![](/c/CrsMlPkMDcs0.gif?1) | | A park with no facilities,
occasionally used by the Howard Astronomical League for impromptu members-only events. In Howard county. |
| Catoctin Mountain Park | ![](/c/CtctnMMDcs0.gif?1) | | Park, east of Hagerstown. |
| Chesapeake Beach Veterans Memorial Park | ![](/c/ChsBchMPMDcs0.gif?1) | | City park in Chesapeake Beach. |
| Deep Creek Lake State Park | ![](/c/DCLSPMDcs0.gif?1) | | State park. |
| Digital Monastery Observatory | ![](/c/DgMsObMDcs0.gif?1) | | A private observatory near Frederick. |
| Dulaney Springs Park | ![](/c/DlnyPkMDcs0.gif?1) | | An observing site of the Baltimore County Casual Astronomers. Near Hampton. |
| Echo Hill Outdoor School | ![](/c/EcHlOtScMDcs0.gif?1) | | A school near Worton. |
| Elk Forest | ![](/c/ElkFstMDcs0.gif?1) | | A wildlife managment area used by the Delmarva Stargazers |
| Elliott Island road | ![](/c/EttRdMDcs0.gif?1) | | Centered on the parking lot of a boat launch on Elliot Island road. |
| Fishing Battery Island | ![](/c/FhBryIsMDcs0.gif?1) | | Used by some members of the Howard Astronomical League. Near Havre de Grace. |
| Fort Washington Park | ![](/c/FrtWshPkMDcs0.gif?1) | | A historic national park in Fort Washington. |
| Frostburg | ![](/c/Frtbrgcs0.gif?1) | | "Home of the the Cumberland Astronomy Club and
Frostburg State University's planetarium. |
| Golden Mean Observatory | ![](/c/AuAvgObMDcs0.gif?1) | | A private observatory. |
| Greenbrier State Park | ![](/c/GrnBrSPMDcs0.gif?1) | | State Park near Boonsboro. |
| Harford Community College Observatory | ![](/c/HrfrdCCObMDcs0.gif?1) | | Observatory of
Harford Community College. Also used by the
Harford County Astronomical Society. Near Bel Air. |
| Ladiesburg | ![](/c/LdsbrgMDcs0.gif?1) | | A town in Frederick County. |
| Little Bennett Regional Park | ![](/c/LittleBennettMDcs0.gif?1) | | A campground near Clarksburg |
| Little Levels Campground | ![](/c/LtLvCmpMDcs0.gif?1) | | A backcountry camping area on
Assateague Island National Seashore.
|
| Marstown Observatory | ![](/c/MrstwnOBMDcs0.gif?1) | | A private observatory near New Windsor. |
| Martin State Airport | ![](/c/MrtnSAMDcs0.gif?1) | | airport. |
| Middletown | ![](/c/Mddltn1MDcs0.gif?1) | | In Frederick county. |
| Montgomery County Astrophysical Observatory | ![](/c/MCAOobMDcs0.gif?1) | | Aka MCAO, a private observatory, near Derwood. |
| Mount Airy Observatory | ![](/c/MtAryObMDcs0.gif?1) | | A private observatory of a member of the Howard Astronomical League. |
| Mount Pleasant | ![](/c/MtPleasMDcs0.gif?1) | | Part of the The Howard County Conservancy. |
![Sponsored!](/csk/etc/redstar.gif) | Nanjemoy Creek Observatory | ![](/c/NanJObMDcs0.gif?1) | | An observatory of the Southern Maryland Astronomical Society. |
| Ocean City | ![](/c/OcnCtyMDcs0.gif?1) | | |
| Point Lookout State Park | ![](/c/PntLktSPMDcs0.gif?1) | | State park where Chesapeak Bay and the Potomac join. |
| Potomac Astrometric Observatory | ![](/c/PtmcAmtcOBMDcs0.gif?1) | | A observatory for personal GRB and cataclysmic variable research |
| Prettyboy Reservoir | ![](/c/PttyByMDcs0.gif?1) | | A reservior surrounded by parkland. |
| Quiet Pond Observatory | ![](/c/QtPndObMDcs0.gif?1) | | A private observatory of a member of the Amateur Astronomers Association of Princeton. |
| Reisterstown | ![](/c/ReisterMDcs0.gif?1) | | Home to the Soldiers Delight Natural Environment Area. |
| Rich Neck Observatory | ![](/c/RchNckObcs0.gif?1) | | A private observatory. |
| Rocky Gap State Park | ![](/c/RckyGpSPMDcs0.gif?1) | | State park near Cumberland. |
| Salisbury | ![](/c/SlsbryMDcs0.gif?1) | | |
![Sponsored!](/csk/etc/redstar.gif) | Sola Virtus Observatory | ![](/c/SlVtsObMDcs0.gif?1) | | A private observatory somewhere around White Hall. |
| TBM Observatory | ![](/c/TBMObMDcs0.gif?1) | | A private observatory. |
| Tall Timbers | ![](/c/TllTbSMMDcs0.gif?1) | | A town in St. Mary's county. |
| The Hughesville Sky-view Observatory | ![](/c/HgvSVObMDcs0.gif?1) | | A private observatory near Waldorf. |
| Tuckahoe State Park | ![](/c/TucktahoeMDcs0.gif?1) | | A site of the Delmarva Stargazers |
| UMBC Observatory | ![](/c/UMBCObMDcs0.gif?1) | | Observatory of
University of Maryland, Baltimore County. |
| United States Naval Academy | ![](/c/UNNAMDcs0.gif?1) | | Link.. In Annapolis. |
| University of Maryland Observatory | ![](/c/UoMrylndOBMDcs0.gif?1) | | Observatory of University of Maryland
Home of the National Capital Astronomers. in College Park. |
| Walgrove Observatory | ![](/c/WlgrvObMDcs0.gif?1) | | A private observatory in Reisterstown. |
| Willow Oak Observatory | ![](/c/WOkObMDcs0.gif?1) | | A private observatory somewhere around Gamber. |
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