| Object: Arp 61 (MCG+0-12-53 and -55) | Date: 2018 Feb 11 |
| Peculiarity: Spiral with small high surface-brightness companion on arm. | |
| Constellation: Eridanus | Time & altitude: 21.10 UT 30º |
| Catalogue data: | Seeing (5 high): 4/5 |
| R.A: 4h 37m | Transparency (5 high): 4/5 |
| Dec: -2º 18 | Telescope: 0.5m f4.1 Dob. |
| Magnitudes: 15.1 and 15.5 | Eyepiece: 8mm Ethos x260 |
| Galaxy size (mins): 1.0 x 0.5 | Filters: None |
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Notes: Snow on the ground and a frost. The main component -53 is a fairly easy object with AV and seen some of the time with DV. It appeared as a long oval aligned NE-SW The secondary component -55 is just a spot, only glimpsed intermittently. UGC 3105 is just E. It was seen as an oval mist without core and was about three times the length of Arp 61. I cannot find data on this galaxy, presumably it is a little brighter than the UGC’s cut-off magnitude with I understand is 14.5m. Many stars in this field, not all have been plotted. The bright star at E edge is 51Eri. |
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