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Resources for the upcoming Solar eclipse of August 21, 2017 over Cumberland, Maryland, United States of America (USA), Terra.
Date and time: August 21, 2017 from 1:13 to 3:58 postmeridiem (PM) Eastern Daylight Time (EDT).
1:13 PM (
2017-08-21T13:13-04): Solar eclipse begins.
2:38 PM (
2017-08-21T14:38-04): local maximum of eclipse.
3:58 PM (
2017-08-21T15:58-04): Solar eclipse ends.
Recommended viewing location for Allegany County, Maryland: Allegany College of Maryland (ACM) Cumberland Campus.
Mapping address: 12401 Willowbrook Road, Cumberland, Maryland 21502.
Global Positioning System (GPS) coordinates: (φ, λ) = (+39.652778°, −78.729167°) = (39°39'10" North, 78°43'45" West) = (latitude, longitude).
Geographic Uniform Resource Identifier (GeoURI):
Geomagnetic declination: −9.9517° = 9°57'6.12" West.
Elevation above mean sea level: 191 meters (m) = 627 feet (ft.).
(There will also be an eclipse party at the Frostburg State University [FSU] campus, but the ACM eclipse party will be offering free food and free drink to eclipsewatchers.)
Position of Sol at 12:45 PM:
(azimuth, altitude) = (+163°01'19.7", +61°17'14.6");
(α, δ) = (10:03:49.71, +11°52'56.8") = (right ascension, declination);
Apparent radius of Sol: 0.5270556° = 0°31'37.4".
Position of Sol relative to Regulus (Alpha Leonis [α Leo]) at 12:45 PM:
(azimuth, altitude) = (+2.6924°, +0.33578°).
(If you have a go-to telescope that does not support Solar tracking, you will have to find Sol using either its celestial coordinates, or by finding Regulus first, and then slewing 2.2 degrees upward to Sol. Regular sidereal tracking should approximate Solar tracking.)
Remember that you must have certified eclipse glasses for unmagnified visual observing, and you must always use certified Solar filters for any viewing with optical equipment (including cameraphones and other digital cameras). Solar film must always be placed in front of the lens (before any light enters the instrument), not in front of the eyepiece. Do not wear regular sunglasses, or you will go blind. Eclipse glasses are for unmagnified visual observing only, and will not protect cameras or other optical equipment.