Deep Sky Object in Autumn
HCG16 (Galaxy Group in Cetus)



Date & Time: Feb 1 2019, from 20:08 to 20:44 JST(+0900)
Composed 12 shots with 3 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with conversion lens (f=1600mm, F6.3)
with BaaderPlanetarium Moon&Skyglow filter
Auto-guided with Meade LX200 Equatorial & Pictor 201XT
Digital Camera: Canon EOS 6D (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(3056×3056)
Device Size...20×20mm, Sensitivity...ISO4000



NGCHicksonR.A.Dec.SizeMagnitude
83516a02h 09m 24.5s-10° 08f09"1.4×1.1'12.1
83316b02h 09m 19.7s-10° 07f58"1.4×0.8'12.7
83816c02h 09m 38.5s-10° 08f47"1.2×0.9'13.1
83916d02h 09m 42.7s-10° 11f00"1.6×0.7'13.1
This image has been captured a small galactic group bathed in central region of Cetus. Small four galaxies with 12th or 13th magnitude in brightness are gathered in span of about 10 arc minutes. The group has been registered as Hickson Compact Group 16 (Arp 318), we can take the group with larger telescopes. A small galaxy in lower left hand side is NGC848, has no relations with this group.
Member Galaxies of HCG16




HCG10

HCG87


Copyright(c) 2019 by Naoyuki Kurita, All rights reserved.
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