Deep Sky Object in Spring
NGC4448 (Galaxy in Coma Berenices)



Date & Time: Dec 16 2023, from 27:25 to 27:55 JST(+0900)
Composed 6 shots with 6 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



NGC4448 / Galaxy, type SB(r)ab
R.A.12h 28m 15.6s (2000.0)
Dec.+28°37' 15" (2000.0)
Apparent Size4.6×1.7'
Radial Velocity+693km/s
Magnitude12.0
Distance74 million light yrs.
Group of GalaxiesNGC4634 Group
Other IDsUGC 7591, CGCG 158-113
CGCG 159-2, MCG +5-29-89
IRAS 12257+2853, PGC 40988
This is a small barred spiral galaxy located approximately 30 arcminutes northeast of γCom in the northern part of Coma Berenices. While not directly associated, it is situated at the northern end of the open star cluster Mel. 111 in the constellation. The galaxy has an east-west major axis of just under 5 arcminutes and has a brightness of 12th magnitude. Its estimated distance from the Milky Way is approximately 74 million light-years.




NGC4395

NGC4449


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