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NGC 7129 in Cepheus as imaged using the Starfield Optics 8″ astrograph and Starizona Nexus reducer/corrector (F3 focal ratio). Also used was a QHY268M camera, QHY filter wheel and Optolong L-R-G-B filters.
A reflection nebula and star forming region, NGC 7129 (aka Rosebud nebula) is located 3,300 light years away from Earth. Astronomers believe that our own Sun may have formed billions of years ago in a cluster similar to NGC 7129.
The nebula spans about 10 light-years across. The stars forming within NGC 7129 are relatively young, around 1-2 million years old.
The surrounding nebula is illuminated by the young open cluster. According to a recent investigation, the cluster comprises more than 130 stars.
Image processed in PixInsight. Imaged from my backyard.
Image technical:
- Starfield Optics 8″ Astrograph (native F4)
- Starizona NEXUS .75 reducer/coma corrector for F3 https://bit.ly/3MCijaB
- QHY268M CMOS Camera (https://bit.ly/3Aj23FE), 26mp, 3.76um @ -10C
- QHY CFW3-L 7 position https://bit.ly/3jAp9Sb
- Optolong Ha-OIII-SII filters https://bit.ly/3dvhqBa
- Skywatcher EQ6 mount / Skyshed Pier (Skyshedpod.com)
- Pegasus Astro Focus Cube (EAF) https://bit.ly/3dzagfr
- NINA 2.0 for acquisition
- Processed in PixInsight
- Seeing and transparency: average to good
- Total integration time: 7.5 hours (1min subs at high gain)
- Location: Kitchener, Ontario, Canada
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