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Messier 13 is the globular cluster with the highest visible brightness in the northern hemisphere. The cluster’s distance is roughly 25000lyrs.
The object was discovered by Sir Edmund Halley in 1714.
Datum/Date:
18.05.2020 / May 18th, 2020
Optik / Scope:
7,5” Maksutov Newtonian Astrograph f/5.3 with 2” 1:10 motorized Crayford focusser
Sensor/CCD:
ASI 183 MC Pro (APS-C) @ -15°C
Autoguiding:
ALccd5 L II @ 60mm Guidescope
Belichtung/Exposure:
19 x 300sec , Gain=120,
25 x 30sec, Gain = 120, total integration time= 1h 48min 00sec
Software:
Deep Sky Stacker, PixInsight, Photoshop CC
The Universe at a glance...
Juniper Hill Observatory
Köfering, Bavaria
12° 12’ E
48°56’ N
344m N.N.
NGC 6205 (Messier 013)
