Object: M5 (NGC 6531) | Date: 2018 August 2 |
Type: Globular cluster | |
Constellation: Serpens | Time & altitude: 21.15 UT 30º |
Catalogue data: | Seeing (5 high): 2/5 |
R.A: 15h 19m | Transparency (5 high): 4/5 |
Dec: 2º 05 | Telescope: 0.5m f4.1 Dob. |
Magnitude 5.7 | Eyepiece 8mm Ethos x260 |
Size (mins) 23 | Filters: None |
Notes: Half a degree N of 5th magnitude star 5 Serpens. This cluster is so much better than the numerous more southerly globulars I’ve looked at recently in Sagittarius & Scorpius which appear miserable from here. Resolution into stars achieved right to the centre. Its diameter across the tenuous outer reaches is around 20 arcmins . |