Trifid nebula (M20): Due to the extremely short night, I was only able to capture 80 minutes of SHO and 72 minutes of LRGB data between ten past midnight and 02:40 this morning before the skies became too bright to continue imaging. This delightful object located in the Scutum-Centaurus arm of the Milky-way is some 4,100 light years distant and is so called due to containing three distinct objects; a star cluster, an emission nebula and a reflection nebula where new stars are being born. The data were acquired with an ASI 533MM Pro camera and filter wheel set attached to a Sky-Watcher Esprit 80 ED triplet refractor fitted with a field flattener. I processed the data as two separate compositions of LRGB and SHO using Pixinsight and then combined them both together as a cropped SHO/LRGB blend comprising the full 2.5 hours of data capture.
Click on an image to get a closer view
Trifid nebula (M20) SHO RGB stars
M 20 LRGB and SHO RGB stars cropped
M20 LRGB RGB stars
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