Deep Sky Object in Summer
NGC6281 (Open Cluster in Scorpius)

Date & Time: Mar 20 2004, from 27:32 to 27:41 JST(+0900)
Composed 3 shots with 4 minutes exposed
Optical: TAKAHASHI 16cm(6.3") epsilon (f=530mm, F3.3)
with IDAS LPS-P1 Light-pollution suppression filter
Auto-guided with TAKAHASHI JP Equatorial
Digital Camera: Fujifilm FinePix S2 Pro
Location: Ooizumi vil., Yamanashi pref.

Camera Settings: Recording Format...12bit CCD-RAW, converted to 16bit TIFF(3024×2016)
CCD Sensitivity...ISO1600, White Balance...Fluorescent

NGC6281 / Open Cluster, type e, II 2 p
R.A.17h 04m 48.0s (2000.0)
Dec.-37° 54' 00" (2000.0)
Apparent Size60'
Real SizeN/A
# of Stars70
Around the middle of Scorpion's body, NGC6281 is a large-sized open cluster about 2.5 degrees east from mu Sco. The cluster has a diameter of a degree but no bright member stars. You can appreciate fine stars distributed in doughnut like shape. It might be fairly difficult to see the cluster under good conditioned sky because of lower height of meridian transit.



Copyright(c) 2004 by Naoyuki Kurita, All rights reserved.
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