Deep Sky Object in Autumn
NGC288(Globular cluster in Sculptor)

Click on image to enlarge

Date & Time: Dec 17 2023, from 19:50 to 20:27 JST(+0900)
Composed 10 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


NGC288 / Globular Cluster, type X
R.A.00h 52m 48.0s (2000.0)
Dec.-26° 35’00" (2000.0)
Apparent Size10'
Real Size137 light yrs.
Magnitude7.2
Distance41000 light yrs.
You can find a globular cluster of NGC288 about 2 degrees southeast of NGC253, large-scaled spiral galaxy in northern part of Sculptor, recognized as a round light paralleling with that of NGC253 through portable binoculars. The cluster is about 40 thousand light years away, it's interested by comparing difference of distance of NGC253.



M72, M73
NGC7492

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