NGC 5566 (UGC 9175, Arp 286) Group of Galaxies in Virgo

Center of field at approximately: RA 14 hours 20 minutes 15 seconds, Dec +03 degrees 58 minutes 08 seconds

Includes NGC 5560 (UGC 9172) and NGC 5569 (UGC 9176)

Size NGC 5566: 6.7' x 2.1' Magnitude: 11.5 blue Class: SB(r)ab

Includes Size: 4.3' x 2.1' and 2.5' x 1.3' Magnitude: 12.4 visual and 13.9 photographic Class: SB(s)b pec and SAB(rs)cd:

North is up

West to the right

Telescope:

 14.5" f5 Newtonian reflector

Camera:

 ST-8XME, self-guided, binned 1x1, temp -15c, camera control MaxIm DL 4.56

Image:

Lumicon Red filter, 750 minutes (75 x 10 minute subs), 06/10/12/14/15/16/2015; seeing 2.4-3.7 FWHM per CCDStack

Processing:

CCDStack 2.90.5589.16047, Photoshop CS5.1

Location:

 Rolling Roof Observatory, Thousand Oaks, CA 91360 (+34d 13m 29s -118h 52m 20s)

Notes:

This little group is anchored by the large Arp galaxy NGC 5566. NGC 5560 is the distended galaxies to the northwest (upper right) of NGC 5566, and NGC 5569 just to the northeast (upper left).

From the NGC / IC Project:

Contemporary Visual Observation(s) for NGC 5566
NGC 5566 = UGC 09175 = MCG +01-37-002 = Arp 286 = Ho 630a = LGG 379-003 = 
CGCG 047-012 = PGC 51233
14 20 19.8 +03 56 01
V = 10.6;  Size 6.6x2.2;  SB = 13.3;  PA = 35d

17.5": bright, fairly small, slightly elongated SSW-NNE, small bright nucleus.  
Brightest of three with N5560 5.3' NW and N5569 4.1' NE.  A mag 12 star is 1.6' 
E of center.  A pair of mag 8 and 9 stars (SAO 120402 and 120403) lie 10' NW.  
N5576 (brightest in a trio) lies 40' SSE.

- by Steve Gottlieb

Contemporary Visual Observation(s) for NGC 5560
NGC 5560 = UGC 09172 = MCG +01-37-001 = CGCG 047-010 = Arp 286 = PGC 51223
14 20 04.6 +03 59 32
V = 12.4;  Size 3.7x0.7;  SB = 13.2;  PA = 115d

17.5": fairly faint, moderately large, edge-on 4:1 WNW-ESE, fairly smooth 
surface brightness.  A mag 14 star is just 40" NNW of center.  Located 5.3' NW 
of N5566 in a group and 5' ESE of mag 8.4 SAO 120403.

- by Steve Gottlieb

Contemporary Visual Observation(s) for NGC 5569
NGC 5569 = MCG +01-37-003 = CGCG 047-013 = Arp 286 = Ho 630c = LGG 379-002 = 
UGC 09176 = PGC 51241
14 20 32.2 +03 58 58
V = 13.2;  Size 1.7x1.4;  SB = 14.0

17.5": extremely faint, almost round, fairly small, just visible at 200x.  This 
difficult galaxy is the faintest of three and located just 4.1' NE of the center 
of N5566 and 6.8' E of N5560.

- by Steve Gottlieb