M21 - Sagittarius Cluster
Webb’s Cross observed from SM Soccer Fields on a very good night with excellent transparency.
Object Type: Open Cluster
Constellation: Sagittarius
Right Ascension: 18h 04m 36s
Declination: -22° 30' 00"
Magnitude: 7.0
Size: 13.0'
My Observation Details
| Object Name: | M21 - Sagittarius Cluster |
| Seeing: | VG |
| Transparency: | 6 |
| Lat/Lon: | 35.161, -85.372 |
| Instrument: | 750mm/150mm |
| Power: | 46.9x (16mm eyepiece) |
| Date: | 2023-07-11 |
| Time: | 12:15 EST |
Observation Notes
Visual Description
A smaller but still nice open cluster at the end of Webb’s Cross opposite M20.
Additional Notes
Seen with M20 as well; just stunning! Used Telrad finder.
Sketch
