Harvard Plate Stacks MA Series

Harvard-Smithsonian Center for Astrophysics
Harvard Observatory Plate Stacks
MA Series Characteristics

Basics

Plate Size	Plate Scale	Telescope	Focal Length
8x10, 10x12, 4x5	97"/mm	12-inch Metcalf Doublet	84 inches

Observatory

Plate nos.	Location	Dates
1- 1797	Taunton, MA	1905-10-06 - 1913-08-02
1798- 2086	Taunton, MA??	??
2101- 7310	Cambridge	1923-04-05 - 1938-06-29
7311-11737	Oak Ridge	1938-09-01 - 1983-03-06

Online Searchable catalog

Maps of spatial and temporal distribution

Histogram by year

ASCII
Catalog

(6154 plates)

MA Series tab-separated table (number-sorted B1900 Starbase MJD)
MA Series tab-separated table (number-sorted B1900 Starbase ISO date)
MA Series tab-separated table (number-sorted J2000 Starbase ISO date)
MA Series tab-separated table (RA-sorted B1900 Starbase MJD)
MA Series tab-separated table (RA-sorted B1900 Starbase ISO date)
MA Series tab-separated table (RA-sorted J2000 Starbase ISO date)

Location
in Stacks

Plate Size	Location	Numbers
8x12	first floor	1397-2096, except 1403
rest	first floor	rest

Card Catalog:

complete; there is also an Approach database.

Record Books:

(10) 1-1591, 2101-11093

Record Sheets:

1-1797, 7323-11737

Comments:

Plates 1798-2086 apparently were given to Harvard Observatory on Rev. Metcalf's death, but there seem to be no records for them. Also, nothing but plate number is recorded on the plate jackets.