M 12 - a globular cluster in the constellation of Ophiuchus
Date: 2017.07.17.
Object: M12 - a globular cluster in the constellation of Ophiuchus
Location: Daejeon Education Training Institute, Gongju, Korea
Telescope: FS60CB w/ RD-C 0.72x
Guide scope: CCTV Lens (FL: 100 mm, F/4.0)
Mount: WeeStar Optics ARC8
Camera for imaging: ASI 178mc
Camera for auto-guiding: QHY5L-II-M
Exposure: 300 sec x 14
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