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Lunar Orbiter 4: Crater Aristarchus and Schroter's Valley Detail Photograph

Currency:USD Category:Collectibles / Autographs Start Price:NA Estimated At:1,000.00 - 2,000.00 USD
Lunar Orbiter 4: Crater Aristarchus and Schroter's Valley Detail Photograph

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Auction Date:2020 Apr 16 @ 18:00 (UTC-05:00 : EST/CDT)
Location:15th Floor WeWork, Boston, Massachusetts, 02108, United States
ALS - Autograph Letter Signed
ANS - Autograph Note Signed
AQS - Autograph Quotation Signed
AMQS - Autograph Musical Quotation Signed
DS - Document Signed
FDC - First Day Cover
Inscribed - “Personalized”
ISP - Inscribed Signed Photograph
LS - Letter Signed
SP - Signed Photograph
TLS - Typed Letter Signed
High-quality original vintage semi-glossy 13.25 x 16.5 silver gelatin photograph of the moon's surface taken by Lunar Orbiter 4 in May 1967, showing a detailed vertical view of Crater Aristarchus and Schroter's Valley. Affixed to a 16 x 18 mount, with a typed caption on the reverse, in full: "Lunar Orbiter IV - 24 inch Lens, High Resolution Photograph of Site 27.3 (KI-4139). This photograph of the crater Aristarchus, Schroter's valley and vicinity was taken vertically at a position of about 24°N and 49°W in lunar coordinates. Aristarchus is about 25 miles in diameter and 6900 feet deep. The rim is about 2600 feet high compared to the neighboring surface. The white portion of the crater is the brightest spot on the moon with an albedo of nearly 18%. In making this print, dodging was required to bring out the ray structure of the crater walls. This region has shown luminescence. The companion crater Herodotus is 22 1/2 miles in diameter and 4400 feet deep. The snake-like feature in the upper left is named Schroter's valley. The detailed structure on the valley floor is ordinarily not seen in telescope photos from the earth. S/C Frame #150. North is at the top." In fine condition, with minor edgewear to the mount.