Collinder 140
DSS image of Collinder 140
Overlaid DSS image of Collinder 140, 120' x 120' with north at top and west to the right

Aladin viewer for the region around Collinder 140
Lac II.2, Bode 19, Cr 140, C 0722-321

Type  Open Cluster
Magnitude  3.5
Size  68.2'
Right Ascension  7h 23' 32"  (2000)
Declination  31° 57' 58" S
Constellation  Canis Major
Description  10X50-vB, vL, irR, 18*
Classification  III 3 p
Observing Notes

Andrew Cooper
Nov 19, 2023    Waikoloa, HI (map)
20cm f/6 Newtonian, Cave Astrola @ 76x
Seeing: 6 Transparency: 7 Moon: 0%

A lovely collection of 5th to 6th magnitude stars spanning over a degree of sky the area rich with stars the full range of magnitudes, in a region of rich galactic starfield about 2.5° south of Aludra, the orange HR 2834 at the center, HR 2823 and HR 2819 on the southwest margin, notable in the 50mm finder but best appreciated in the 8" 'scope

Andrew Cooper
Mar 22, 2020    Waikoloa, HI (map)
20cm f/6 Newtonian, Cave Astrola @ 61x
Seeing: 7 Transparency: 6 Moon: 0%

A superb field studded with 5-7 magnitude stars, sparse, fully resolved, 8-10 members in a 1° field with an exraordinarily rich galactic starfield, the bright yellow HR2834 at the center, a rich field telescope object

Andrew Cooper
Mar 22, 2020    Waikoloa, HI (map)
8x42mm Nikon Prostaff 3S Binoculars @ 8x
Seeing: 7 Transparency: 6 Moon: 0%

A bright sweep of 5-7 magnitude stars running northeast to southwest at least 1° long, obvious in a very rich region, sparse, fully resolved, Cr132 visible just northwest, a good binocular object

Andrew Cooper
Feb 25, 2020    Waikoloa, HI (map)
20cm f/6 Newtonian, Cave Astrola @ 61x
Seeing: 7 Transparency: 7 Moon: 0%

A beautiful field filled with 5-7th magnitude stars forming a brilliant group against a rich galactic starfield, the bright 5.3 magnitude HR2834 at the center
Other Data Sources for Collinder 140
Nearby objects for Collinder 140
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 140