Ptolemy's Cluster (Open Cluster)

From Cambridge , Ptolemy's Cluster is not readily observable since it lies so far south that it will never rise more than 12° above the horizon.
Name
Ptolemy's Cluster
|
Object Type
Open Cluster
|
Constellation: | Scorpius |
Magnitude: | 3.30 (V) [3] 3.45 (B) [2] |
B-V Color (mag): | 0.15 |
Right ascension: | 17h53m [2] |
Declination: | -34°47' [2] |
Distance: | 301.0 parsec 981.3 lightyrs [1] |
Absolute mag (V): | -4.09 |
All times shown in Cambridge local time.
20 Jun 2021 | – M7 is well placed |
20 Jun 2022 | – M7 is well placed |
20 Jun 2023 | – M7 is well placed |
20 Jun 2024 | – M7 is well placed |
20 Jun 2025 | – M7 is well placed |
20 Jun 2026 | – M7 is well placed |
20 Jun 2027 | – M7 is well placed |
20 Jun 2028 | – M7 is well placed |