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Object: ARP 98 (MCG +5-4-66 & MCG+5-4-67) |
Date: 2015 September 20
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| Peculiarity: Spiral with elliptical companion on arm. | |
| Constellation: Triangulum | Time & altitude: 00.05 UT 65º |
| Catalogue data: | Seeing (5 high): 4/5 |
| R.A: 1h 32m | Transparency (5 high): 5/5 |
| Dec: +32º 06 | Telescope: 0.5m f4.1 Dob. |
| Magnitudes: 15.7 & 15.0 | Eyepiece: 8mm Ethos x260 |
| Galaxy sizes (mins): 1.4 x 0.5 & 0.3 | Filters: Lumicon Deep Sky made no difference. |
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Notes: A rare night of very transparent air. In the zenith M31is perhaps the best I’ve seen from England. Despite this, seeing this object was still a struggle. I saw the elliptical companion (+5-4-66) as a round haze with AV only. I tried everything to detect the spiral (+5-4-67) but failed despite the catalogue listing it as brighter. |
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