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Ideler

Lunar Orbiter 4 image
Coordinates	49°12′S 22°18′E / 49.2°S 22.3°E / -49.2; 22.3
Diameter	38 km
Depth	1.6 km
Colongitude	339° at sunrise
Eponym	Christian L. Ideler

Ideler is a small lunar impact crater in the low southern latitudes of the Moon. This formation is visible from the Earth, but it appears somewhat foreshortened due to its location. The crater lies just to the northeast of the larger crater Baco, and west-northwest of the prominent Pitiscus. To the west-northwest of Ideler is Breislak.

This feature forms part of a nearly matched crater pair with Ideler L, which Ideler intrudes upon along its eastern flank. The smaller satellite crater Baco R is nearly attached to the opposite, western rim. The remainder of the rim is worn, with a pair of small craterlets along the northern rim and inner wall. The interior floor is nearly featureless.

It is named for the German astronomer Christian Ludwig Ideler.

Satellite craters

By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Ideler.

References

• Andersson, L. E.; Whitaker, E. A. (1982). NASA Catalogue of Lunar Nomenclature. NASA RP-1097.
• Blue, Jennifer (July 25, 2007). "Gazetteer of Planetary Nomenclature". USGS. Retrieved 2007-08-05.
• Bussey, B.; Spudis, P. (2004). The Clementine Atlas of the Moon. New York: Cambridge University Press. ISBN 978-0-521-81528-4.
• Cocks, Elijah E.; Cocks, Josiah C. (1995). Who's Who on the Moon: A Biographical Dictionary of Lunar Nomenclature. Tudor Publishers. ISBN 978-0-936389-27-1.
• McDowell, Jonathan (July 15, 2007). "Lunar Nomenclature". Jonathan's Space Report. Retrieved 2007-10-24.
• Menzel, D. H.; Minnaert, M.; Levin, B.; Dollfus, A.; Bell, B. (1971). "Report on Lunar Nomenclature by the Working Group of Commission 17 of the IAU". Space Science Reviews. 12 (2): 136–186. Bibcode:1971SSRv...12..136M. doi:10.1007/BF00171763. S2CID 122125855.
• Moore, Patrick (2001). On the Moon. Sterling Publishing Co. ISBN 978-0-304-35469-6.
• Price, Fred W. (1988). The Moon Observer's Handbook. Cambridge University Press. ISBN 978-0-521-33500-3.
• Rükl, Antonín (1990). Atlas of the Moon. Kalmbach Books. ISBN 978-0-913135-17-4.
• Webb, Rev. T. W. (1962). Celestial Objects for Common Telescopes (6th revised ed.). Dover. ISBN 978-0-486-20917-3.
• Whitaker, Ewen A. (1999). Mapping and Naming the Moon. Cambridge University Press. ISBN 978-0-521-62248-6.
• Wlasuk, Peter T. (2000). Observing the Moon. Springer. ISBN 978-1-85233-193-1.

• LQ27 quadrangle
• Impact craters on the Moon