dame-de-pique: Portion of Plate b41215 of Halley’s comet taken on April 21, 1910 from Arequipa
dame-de-pique: Portion of Plate b41215 of Halley’s comet taken on April 21, 1910 from Arequipa, Peru with the 8-inch Bache Doublet, Voigtlander. The exposure was 30 minutes centered on 23h41m29s R.A. and +07d21m09s Declination. -- source link
Tumblr Blog : dame-de-pique.tumblr.com