MARSTOWN
S   O   L   A   R        P   O   W   E   R   E   D
OBSERVATORY

New Windsor, Maryland (USA)


Transit of Mercury
The May 9, 2016 transit of Mercury as photographed by Nicholas Lara with a Smartphone held up to the eyepiece of his 8-inch Orion Dobsonian reflector telescope. Image was taken at the Eldersburg branch of the Carroll County library, one of several locations where members of the Westminster Astronomical Society had set up telescopes for public observing of the event.

Click on images to open larger image (247 KB) in a new window. (Photo credit: Nicolas Lara)


Marstown Observatory is located in Carroll County, Maryland one mile from the unincorporated hamlet of Marston. The nearest town is historic New Windsor (established in 1797) located four miles northwest of the observatory. The closest major cities are Baltimore (30 miles ESE) and Washington, DC (50 miles S).


Partial Solar Eclipse at Sunset

Partial Solar Eclipse
A sunset partial solar eclipse was viewed from MTO on October 23, 2014. Although the horizon was cloudy, fleeting glimpses (such as this one) of the sun with its right-hand edge dented from the occulting lunar disk, were visible between breaks in the clouds and trees. A sheet of welder's glass was dangled in front of a telephoto lens in this image.

Click on images to open larger image (2.1 MB) in a new window. (Photo credit: MTO)


Total Lunar Eclipse at Sunrise

partial phase totality setting in clouds
A beautiful total lunar eclipse was observed prior to sunrise on October 8, 2014. Partial eclipse (left); total eclipse during morning twilight (center); and totally eclipsed moon setting into the clouds just prior to sunrise (right). These images were shot using a Borg brand 5-inch APO refractor.

Click on image to open full resolution image in a new window. (Photo credit: MTO)



MTO would like to thank everyone who donated their time and materials, or helped in the construction of the observatory..
Click on the following links to learn more about MTO:

Other links to the local astronomy scene:

Other special links:

Current Local Conditions at
Marstown Observatory:

US Naval Observatory Master Clock



Marstown Observatory Clear Sky Clock

Clocks for good observing sites


Bear Branch Nature Center (Wesminter, MD)


Morgan County Observatory (Berkeley Springs, WV


Tuckahoe State Park (MD)


Mountain Meadows Observatory (WV)


Kile Knob (WV)


Cherry Springs State Park (PA)

Clear Sky Clocks for all Maryland Locations

Clear Sky Clocks for all West Virginia Locations

Clear Sky Clocks for all Pennsylvania Locations


Current Phase of the Moon (updates every 4 hours). A service of the U.S.N.O.
[Current Moon Phase]

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URL of this page: marstown.us.

Contact the MTO Director at marstown@gmail.com.

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