Collinder 338
DSS image of Collinder 338
Overlaid DSS image of Collinder 338, 60' x 60' with north at top and west to the right

Aladin viewer for the region around Collinder 338
Cr 338, C 1734-375, OCl 1013.0

Type  Open Cluster
Magnitude  8
Right Ascension  17h 38'  (2000)
Declination  37° 42' S
Constellation  Scorpius
Classification  III 2 p
Observing Notes

Andrew Cooper
Jul 8, 2021    Waikoloa, HI (map)
20cm f/6 Newtonian, Cave Astrola @ 76x
Seeing: 7 Transparency: 6 Moon: 0%

A modest enhancement in a rich galactic starfield about 20' in diameter, bounded on the southern margin by three 7th magnitude stars, a faint haze defines the clsuter, 1° southeast of Shaula, NGC 6400 is 1° northeast

Andrew Cooper
Aug 7, 2020    Waikoloa, HI (map)
20cm f/6 Newtonian, Cave Astrola @ 76x
Seeing: 5 Transparency: 6 Moon: 0%

Large, bright, coarse, 20' across, resolved, a notable clump of brighter 9-10th magnitude stars in a rich galactic starfield pervaded by a brighter background glow

Andrew Cooper
Jun 29, 2019    Kaʻohe, Mauna Kea, HI (map)
20cm f/6 Newtonian, Cave Astrola @ 56x
Seeing: 8 Transparency: 7 Moon: 0%

A large coarse cluster just south of Shaula in the scorpion's tail, large, bright, coarse, resolved, a roughly triangular grouping about 20' across with slightly brighter stars anchoring the corners, a beautiful region rich in stars and clusters, NGC6400 just half a field east
Other Data Sources for Collinder 338
Nearby objects for Collinder 338
Credits...

Drawings, descriptions, and CCD photos are copyright Andrew Cooper unless otherwise noted, no usage without permission.

A complete list of credits and sources can be found on the about page

Collinder 338