Arp 147

ARP 147 2016 Nov 26

Object:  ARP 147 (IC 298 & 298A) Date:   2016 November 26
Peculiarity:    Associated rings.
Constellation:           Cetus Time & altitude:  00.15 UT      37º
Catalogue data: Seeing (5 high):                               3/5
            R.A:                3h 11m Transparency (5 high):               3/5
            Dec:                +1º 19 Telescope:     0.5m f4.1 Dob.
            Magnitudes:  14.3 & 15.1 Eyepiece:      8mm Ethos      x260
            Galaxy size (mins): 0.5 x 0.4 Filters:            Lumicon Deep Sky


Sky conditions have improved since the observation of Arp 309 earlier in the night. I studied this field for longer than usual but was unable to see much at all. Arp 147 was no more than a faint round patch seen intermittently with AV. The view was marginally better without the filter.  I suspect Arp 147 would benefit from more magnification than I have usefully available.

The best professional images available show both galaxies are amazing rings e.g. look at