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Tuesday, July 18, 2023

Emission Nebula Sh2-140 | Mayall Telescope

Emission Nebula Sh2-140 | Mayall Telescope


This image was obtained with the wide-field view of the Mosaic camera on the 4-meter Mayall  Telescope at Kitt Peak National Observatory. Sh2-140 is an HII emission nebula on the southwest edge of the Lynds 1204 darn nebula. It is also on the edge the Cephus Ring, a ring of molecular gas and dust. 

Invisible in this image, there are about fifty young stars deeply embedded in the dark gas in the lower-left corner of the image. The image was generated with observations in the B (blue), I (orange) and Hydrogen-Alpha (red) filters. In this image, North is left, East is down.

The Nicholas U. Mayall Telescope is a four-meter (158 inches) reflector telescope in Arizona named after Nicholas U. Mayall. It saw first light on February 27, 1973, and was the second-largest telescope in the world at that time.


Credit: T.A. Rector (University of Alaska Anchorage) and H. Schweiker (WIYN and NOIRLab/NSF/AURA)

Release Date: June 30, 2020


#NASA #Astronomy #Space #Nebulae #Nebula #Sh2140 #EmissionNebula #Cepheus #Constellation #MilkyWayGalaxy #Cosmos #Universe #MayallTelescope #KittPeakNationalObservatory #KPNO #Arizona #UnitedStates #STEM #Education

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