Arp 73

ARP 73 2015 Aug 9

Object:            ARP    73

( IC 1222 )

Date:               2015 August 9


Peculiarity:    Spiral: small high surface-brightness companion on arm.
Constellation:           Hercules Time & altitude: 21.55 UT     64º
Catalogue data: Seeing (5 high):                               4/5
            R.A:                16h 35m Transparency (5 high):                   4/5
            Dec:                +46º 13 Telescope:     0.5m f4.1 Dob.
            Magnitude:   13.5 Eyepiece:      8mm Ethos      x260
            Galaxy size (mins):  1.7 x 1.4 Filters:            None.


Evidently a barred spiral galaxy. I can see a circular glow with a definite bar across a diameter. I can’t see any spiral arms off the ends of the bar. Apparently the HSB companion is magnitude 19…