Deep Sky Object in Spring
NGC4449 (Galaxy in Canes Venatici)


Date & Time: Feb 21 2025, from 24:28 to 25:22 JST(+0900)
Composed 10 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


NGC4449 / Galaxy, type Ibm IV
R.A.12h 28m 11.3s (2000.0)
Dec.+44° 05' 40" (2000.0)
Apparent Size6.2×4.4'
Radial Velocity+422km/s
Magnitude10.0
Distance12 million light yrs.
Group of GalaxiesCanes I Group
Other IDsUGC7592, MCG7-26-9
CGCG216-5, PGC40973
At about 8 degrees northwest from Cor Caroli, α Canum Venaticorum, an irregular galaxy of NGC4449 is lying around midway between two Messier's galaxies of M94 and M106. The galaxy is fairly easy to see, has a brightness of 10th magnitude and about 6 arc minutes in long axis. You can detect several gaseous regions in edge of the galaxy. The distance from us is estimated about 12 million light years or so.



NGC4448
NGC4490

Copyright(c) 2025 by Naoyuki Kurita, All rights reserved.
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