|
Object: ARP 85 ( M51, NGC 5194 & 5) |
Date: 2012 May 13
|
| Peculiarity: Spiral, large high surface-brightness companion on arm. | |
| Constellation: Canes Venatici | Time & altitude: 22.30 UT 85º |
| Catalogue data: | Seeing (5 high): 3/5 |
| R.A: 13h 30m | Transparency (5 high): 3/5 |
| Dec: +47º 12 | Telescope: 0.5m f4.1 Dob. |
| Magnitudes: 8.4 & 10.5 |
Eyepiece: 16mm Clavé x130 10mm Clavé x205
|
|
Galaxy sizes (mins): 10 x 8 & 5.8 x 4.6 |
Filters: None |
|
Notes: Better at x130. Nucleus is oval. Companion appears triangular. The spiral pattern is defined more by dark areas than by light. A few bright knots evident on the arms, as in the drawing. |
|