Flickering Globular Cluster

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Messier 62 – Flickering Globular Cluster in Ophiuchus – OSC v2

Another globular cluster, only about 9 degrees from M4 towards the constellation Ophiuchus, Messier 62 or NGC 6266 against the dense background star field of the Milky Way.

More details at Astrobin.

IAS – Internationale Amateursternwarte e.V. – Hakos Observatory, Namibia
IAS 20″ AK3 Newtonian Astrograph, 4″ Wynne Coma Corrector, f/3.7, custom English mount with FS2, off axis guiding, ASI2600MC Duo
177 x 60s, gain 100, offset 50, -5C, 30 flats, 50 bias, 30 darks
Total time: 10620s / 2h57
Data acquisition: N.I.N.A
Data calibration/integration: PixInsight WBPP
Image processing: PixInsight, BlurXTerminator, Lightroom

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Messier 62 – Flickering Globular Cluster in Ophiuchus – OSC v2 Annotated