Deep Sky Object in Summer
NGC6401 (Globular Cluster in Ophiuchus)

Date & Time: May 2 2014, from 25:44 to 25:56 JST(+0900)
Composed 4 shots with 4 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with a conversion lens (f=1600mm, F6.3)
with BaaderPlanetarium Moon&Skyglow filter
Auto-guided with Meade LX200 Equatorial & Pictor 201XT
Digital Camera: Canon EOS 600D (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording format...14bit CCD-RAW, converted to 16bit TIFF(5184×3456)

NGC6401 / Globular cluster, type VIII
R.A.17h 38m 36.9s (2000.0)
Dec.-23°54' 32" (2000.0)
Apparent Size4.8'
Real Size34 light yrs.
Distance24,500 light yrs.
NGC6401 is a small globular cluster positioned at eastern edge of Ophiuchus with a lower stellar density. You can find the cluster out at about 8 degrees west of the Lagoon Nebula (M8). This field contains several dark nebulae in the Milky Way, this image has captured a small one of B272 at just north of the cluster.



Copyright(c) 2014 by Naoyuki Kurita, All rights reserved.
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