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 NGC2170 Nebula 
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Is this a painting or a photograph? In this classic celestial still life composed with a cosmic brush, dusty nebula NGC 2170, also known as the Angel Nebula, shines near the image center. Reflecting the light of nearby hot stars, NGC 2170 is joined by ther bluish reflection nebulae, a red emission region, many dark absorption nebulae, and a backdrop of colorful stars. Like the common household items that still life painters often choose for their subjects, the clouds of gas, dust, and hot stars featured 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 over 30 light-years across. [Text from APOD]

PROCESSING Mike Selby, Leonardo Orazi
TEAM Mike Selby, Leo Orazi, John Kasianowicz, Rick Stevenson, Josh Balsam and Scott Johnson
Optics: Officina Stellare RiDK 400
Mount: -
Camera: FLI PL16803
Filters: Astrodon LRGB
Guiding Systems: -
Dates/Times: 2021
Location: Chile - Obstech
Exposure Details: L:H:R:G:B => color and HA Bin2 [minutes]
Cooling Details: -30C
Acquisition: TSX,Voyager
Processing: PixInsight, CCDStack2+, PS CC 2021
Mean FWHM: 4.19
SQM-L: -