Ptolemy's Cluster (Open Cluster)

Image of Ptolemy's Cluster
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 60 arcminutes across.
Finder chart
Please wait
Loading 0/4
Click and drag to rotate
Mouse wheel to zoom in/out
Touch with mouse to dismiss
Click and drag the chart above to pan around the sky, or use the mouse wheel to zoom. Click to enlarge.

From Ashburn (click to change), Ptolemy's Cluster is not readily observable since it lies so far south that it will never rise more than 16° above the horizon.

Name Ptolemy's Cluster
Object Type Open Cluster
Other Names
M 7
NGC 6475
Collinder 354
Melotte 183
Position
Constellation:Scorpius
Brightness (V):Mag 3.3
Right Ascension:17h53m
Declination:-34°49'
Distance:301.0 parsec
981.3 lightyears
Derived Quantities
Absolute Mag (V):-4.09
Events
20 Jun 2018  –  M7 is well placed
20 Jun 2019  –  M7 is well placed
19 Jun 2020  –  M7 is well placed
20 Jun 2021  –  M7 is well placed
20 Jun 2022  –  M7 is well placed
20 Jun 2023  –  M7 is well placed
19 Jun 2024  –  M7 is well placed
20 Jun 2025  –  M7 is well placed

Ashburn

Latitude:
Longitude:
Timezone:

39.04°N
77.49°W
EST

Color scheme