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90W 45N Park
 
A small park which is home of the Rietbrock Geographical Marker commemorating the intersection of two imaginary lines. Near Poniatowski.
Appleton
 
A meeting place of the Northeast Wisconsin Stargazers (NEWSTAR).
Auroraville
 
Aztalan State Park
 
State park near Aztalan.
This chart is sponsored.Balsam Lake
 
A site used by the Minnesota Astronomical Society.
Beaver Dam
 
Benson Lake Observatory
 
Site of private observatory.
Cascade
 
Cedar Drive Observatory
 
An observatory near Pulaski.
Chequamegon National Forest
 
Centered on a gravel pit at the intersection of Forest Road 335 and Forest Road 1337, this chart covers the central third the Chequamegon National Forest.
Coleman
 
Cranberry Corner
 
Near Manitowish Waters and Powell Marsh State Wildlife Area.
Crandon
 
Crex Meadows
 
A wildlife refuge north of Grantsburg.
Cushing Observatory
 
A private observatory near Cushing.
Dave's Falls County Park
 
A park near Amberg.
De Forest
 
Deep Woods Observatory
 
Site of future private observatory near Fence.
Dievseta
 
A private site near Warrens.
This chart is sponsored.Dodgeville
 
Eagle Observatory
 
A private observatory near Eagle.
Ellwood H. May Environmental Park
 
Aka Maywood, site of the Sheboygan Astronomical Society's public observing sessions.
Empire Ranch Observatory
 
A private observatory in Iowa County. Home of the Iowa County Astronomers.
Fond du Lac
 
Franklin
 
In Milwaukee county. Near a BYA affiliate starparty site.
Furtman Farm Observatory
 
A private observatory near Spooner.
Green Bay
 
Home of the Neville Public Museum Astronomical Society.
Harken Observatory
 
Observatory of the Pewaukee Public Library.
Harrington Beach State Park
 
A site used by the Northern Cross Science Foundation.
Heaven's Gate Observatory
 
A private observatory.
HighBridge Hills Northern Lights Educational Center
 
Future site of the STARS Foundation's public observatory. Near High Bridge.
Hobbs Observatory
 
MPC observatory code 750. In Beaver Creek Reserve near Fall creek.
Inukshuk Observatory
 
A private observatory near Eagle River.
Jackson (WI)
 
A town in Washington county.
Janesville
 
Kenosha
 
Home of the Kenosha Astronomy Club.
Kettle Moraine North
 
Northern Unit of Kettle Morain State Forest. Used by members of the Northern Cross Science Foundation.
Kickapoo Valley Reserve Visitor Center
 
Nature reserve and site of star parties by the La Crosse Area Astronomical Society.
La Crosse
 
A home of University of Wisconsin's Planetarium and the La Crosse Area Astronomical Society.
Ladysmith
 
Land-o-Clouds Observatory
 
A private observatory near Fond du Lac.
Leif Everson Observatory (LEO)
 
An observatory near The Crossroads At Big Creek. See the Door Peninsula Astronomical Society.
Little Black Township
 
Madison
 
Home of the Madison Astronomical Society.
Maiden Rock
 
Mequon Rotary Park
 
Park used by the Northern Cross Science Foundation. In Mequon.
Milwaukee
 
Home of the Milwaukee Astronomical Societyand Wehr Astronomical Society.
Mitten Lake Observatory
 
A private observatory.
Modine Benstead Observatory
 
Observatory of the Racine Astronomical Society.
Monroe Optical Observatory
 
A private observatory somewhere around Monroe.
Mosquito Hill Nature Center
 
A site used by the Northeast Wisconsin Stargazers (NEWSTAR). In New London.
Mount Sterling
 
This chart is sponsored.Myra
 
Used by some members of the Northern Cross Science Foundation.
NPMAS Parmentier Observatory
 
A private observatory which is also an observing site of the Neville Public Museum Astronomical Society (NPMAS).
Naples Hill Observatory
 
A private observatory Near Mondovi.
Oshkosh
 
Otterholt
 
A local landmark near an old family farm in Chetek.
Oxbow Trail Observatory
 
A private observatory near Princeton.
Pigeon Lake Observatory
 
A private observatory.
Pine Bluff Observatory
 
Local research observatory of the University of Wisconsin-Madison. 15 miles from Madison.
Plymouth
 
Home of the Plymouth Stargazers.
Portage
 
Powerhouse Observatory
 
A private observatory near Slinger.
RJM Observatory
 
A private observatory near Spencer.
Racine
 
Home of the Racine Astronomical Society.
Reedsburg
 
Richard Bong State Recreation Area
 
Recreation Area near Burlington. Used by some members of the Racine Astronomical Society.
Richfield Observatory
 
A private observatory near Menomonee Falls.
Richland Center
 
Salewsky Observatory
 
A private observatory near Big Flats
Sawyer Lake
 
A private site near Sawyer lake.
This chart is sponsored.Suburban Lights Observatory
 
A private observatory in Marshall.
Summit Lake
 
Tainter Lake Skies Observatory
 
A private observatory near Tainter lake.
The Meadow
 
An observatory near River Falls and Lake Woebegon.
Tomahawk
 
Trempealeau
 
UW-Whitewater Observatory
 
Observatory of the University of Wisconsin, at Whitewater. In Whitewater.
UWSP Observatory
 
 of the University of Wisconsin - Stevens Point.
West Point Observatory
 
Observatory near Monticello.
Whatt Observatory
 
A private observatory near Ashland.
Wild Apple Observatory
 
A private observatory in Dane County.
Wildcat Mountain State Park
 
State park near the town of Ontario, WI.
This chart is sponsored.Wyalusing
 
Home of the Starsplitters of Wyalusing.
Yanna Research Station
 
Observatory site of the Madison Astronomical Society. Near Attica.
Yerkes Observatory
 
Observatory in Williams Bay.