Harvard Plate Stacks I Series

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

Basics

Plate Size	Plate Scale	Telescope	Focal Length
8x10	163"/mm	8-inch Draper doublet Voightlander reworked by Clark	50 inches

Observatory

Plate nos.	Location	Dates
1-52663	Cambridge, Massachusetts	1889-09-27 - 1934-01-23
52664-52822	Oak Ridge, Massachusetts	1934-01-30 - 1934-07-12
52823-59246	Cambridge, Massachusetts	1934-09-20 - 1946-03-28

Filed

Plate Size	Location	Numbers
8x10	third floor	all

Record Books:

(77) 1-56178
Online: [01] [02] [03] [04] [05] [06] [07] [08] [09] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20]
[21] [22] [23] [24] [25] [26] [27] [28] [29] [30] [31] [32] [33] [34] [35] [36] [37] [38] [39] [40]
[41] [42] [43] [44] [45] [46] [47] [48] [49] [50] [51] [52] [53] [54] [55] [56] [57] [58] [59] [60]
[61] [62] [63] [64] [65] [66] [67] [68] [69] [70] [71] [72] [73] [74] [75] [76] [77]

Comments:

The 8-in Draper was moved to Poland in 1947.

Many of the plates were used for HD spectra of northern stars. Note that uncertainties make it impossible to sort out iso and erythrosine plates prior to about 1910. Plate jacket and observing record seldom agree.