Image List
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A sample logbook page. Harvard is seeking volunteers to help transcribe these entries as part of the Digital Access to a Sky Century at Harvard (DASCH) preservation project
Harvard College Observatory -
The logbook entry associated with the Horsehead Nebula photographic plate.
Harvard College Observatory -
The Horsehead Nebula was discovered on this photographic plate in 1888. It is the dark smudge near the center of the image. The three brightest stars in the field are overexposed, creating the surrounding rings and other image artifacts.
Harvard College Observatory
