Deep Sky Object in Spring
NGC3511, NGC3513 (Galaxies in Crater)

Date & Time: Mar 17 2007, from 24:13 to 24:47 JST(+0900)
Composed 4 shots with 10 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with conversion lens (f=1600mm, F6.3)
Auto-guided with Meade LX200 Equatorial & Pictor 201XT
Digital Camera: Fujifilm FinePix S2Pro
Location: Ooizumi vil., Yamanashi pref.

Camera Settings: Recording Format...12bit CCD-RAW, converted to 16bit TIFF(3024×2016)
CCD Sensitivity...ISO1600, White Balance...Auto

NGC3511 / Galaxy, type SA(s)c II
R.A.11h 03m 23.4s (2000.0)
Dec.-23° 05' 12" (2000.0)
Apparent Size6.2×2.1'
Radial Velocity+1144km/s
Group of Galaxies -
Other IDsUGCA 223, ESO 502-13
MCG -4-26-20, PGC 33385
NGC3513 / Galaxy, type SB(rs)c II-III
R.A.11h 03m 46.0s (2000.0)
Dec.-23° 14' 38" (2000.0)
Apparent Size3.0×2.3'
Radial Velocity+1190km/s
Group of Galaxies -
Other IDsUGCA 224, ESO 502-14
MCG -4-26-21, IRAS 11013-2258
PGC 33410
These are two spiral galaxies in southwest edge of Crater with an interval of about 10 arc minutes. An upper one is NGC3511 and another lower one has a number of NGC3513. The former one has a long axis of a bit larger than 6 arc minutes, exceeding NGC3513 both size and visual brightness.



Copyright(c) 2007 by Naoyuki Kurita, All rights reserved.
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