Deep Sky Object in Spring
NGC5053 (Globular Cluster in Coma Berenices)


Date & Time: Feb 24 2023, from 27:43 to 28:11 JST(+0900)
Composed 8 shots with 4 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with conversion lens (f=1600mm, F6.3)
with IDAS LPS-P1 Light-pollution suppression filter
Auto-guided with Meade LX200 Equatorial & Lacerta M-GEN
Digital Camera: Nikon D810A
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(4080×4080)
Device Size...20×20mm
Sensitivity...ISO4000, White Balance...Daylight


NGC5053 / Globular Cluster, type XI
R.A.13h 16m 24.0s (2000.0)
Dec.+17° 42' 00" (2000.0)
Apparent Size10.5'
Real Size150 light yrs.
Magnitude9.8
Distance49500 light yrs.
NGC5053 is a dimmed globular cluster in the constellation of Coma Berenices, positioned about 1 degree southeast of M53, a medium scaled globular in same constellation. NGC5053 is extraordinary sparse cluster, it was recognized as an open cluster when discovered. The cluster contains only 4000 member stars, it's abnormally small scale for globular clusters.



NGC4147
Omega Cluster(NGC5139)

Copyright(c) 2023 by Naoyuki Kurita, All rights reserved.
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