• Nick

Sharpless 140


SH2-140 is a nebula and open cluster in the northern constellation Cepheus. This rarely photographed area is the central highlight of a much larger nebula where only smaller instruments can show it in its full glory. In this dramatic view, the dark nebula on the upper left has swept in and has diminished all but the brightest stars. The nebula shows intense activity, giving birth to young blue stars. Located about 3,000 light years away, it casts its faint ancient light for us to capture, and ponder what lies beyond. Please click on the image for a larger version.


Astrotech 12'' RC

Camera: QHY9M CCD

Filters: Orion 2'' LRGB

Mount: AP900 GTO

Guider: Meade DSI Pro II

Focus: Robofocus

Capture: CCD Commander, Maxim DL, FocusMax 3

Post process: Photoshop CC 2018, Pixinsight 1.8.5


Date: 1 August, 2017 (L), 13-14 August, 2017

Exposure: Lum: 15x900'' bin1 RGB: 15x300''each bin1

Seeing: 2.5''

Total integration: 7 hours

Location: Asteria remote observatory, Hocking Hills OH



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