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NGC 2170: Still Life with Reflecting Dust (v.2016) | by Oleg Bryzgalov
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NGC 2170: Still Life with Reflecting Dust (v.2016)

Explanation: In this beautiful celestial still life composed with a cosmic brush, dusty nebula NGC 2170 shines at the center-down. Reflecting the light of nearby hot stars, NGC 2170 is joined by other bluish reflection nebulae, a compact red emission region, and streamers of obscuring dust against a backdrop of stars. Like the common household items still life painters often choose for their subjects, the clouds of gas, dust, and hot stars pictured here are also commonly found in this setting - a massive, star-forming molecular cloud in the constellation of the Unicorn (Monoceros). The giant molecular cloud, Mon R2, is impressively close, estimated to be only 2,400 light-years or so away. At that distance, this canvas would be about 30 light-years across. (text:


This picture was photographed during October-November 2015 (L filter) and November 2016 (RGB filters) in Rozhen observatory, Bulgaria.

Equipment: home assembled reflector 10 in., f/3.8

Mount WhiteSwan-180 with a control system «Eqdrive Standart», camera QSI-583wsg, Televue Paracorr-2. Off-axis guidecamera QHY5L-II.

L filter set Baader Planetarium.and RGB filter set Astrodon gen.II

L = 48 * 900 seconds,RGB = 17 * 900 seconds each filter, unbinned . About 25 hours.

FWHM source in L filter 2.34 "-3.59", sum in L channel - 2.83"

The height above the horizon from 32° to 41°, the scale of 1"/ pixel.

Processed Pixinsight 1.8 and Photoshop CS6

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Taken on November 1, 2016