Deep Sky Object in Autumn
IC1613 (Galaxy in Cetus)


Date & Time: Nov 3 2016, from 22:02 to 22:57 JST(+0900)
Composed 10shots with 6minutes exposed
Optical: VIXEN 20cm(7.9") VISAC with a conversion lens (f=1278mm, F6.4)
with BaaderPlanetarium Moon&Skyglow filter
Auto-guided with TAKAHASHI JP Equatorial & SBIG STV
Digital Camera: Nikon D810A
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording format...14bit CCD-RAW, converted to 16bit TIFF(7360×4912)
Device Size...FX format(36×24mm)
Sensitivity...ISO3200, White Balance...Daylight


IC1613 / Galaxy, type IB(s)mV
R.A.01h 04m 54.2s (2000.0)
Dec.+02°08' 00" (2000.0)
Apparent Size16.4×14.7'
Radial Velocity-152km/s
Magnitude9.8
Distance2.2 million light yrs.
Group of GalaxiesLocal Group
Other IDsUGC668, MCG0-3-70
DDO8, PGC03844
IC1613 is a fairly large but very dimmed irregular galaxy positioned near the border to Pisces. The galaxy has a span of about 16 arc minutes but no clear structures, you can detect several lump of H-alpha regions included in the galaxy.
IC1613 is about 2.2 million light years away, it's a member of the Local Group same as our Galaxy. And IC1613 is grouped into gdwarf galaxyh, the real diameter is about 16 thousand light years and contains only 100 million stars.



IC1459
IC5332

Copyright(c) 2016 by Naoyuki Kurita, All rights reserved.
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