Messier 39 - NGC 7092

No dss image available for Messier 39
 
Aladin viewer for the region around Messier 39
Bode 75, h 2126, GC 4681, Melotte 236, Mel 236, Collinder 438, Cr 438, C 2130+482, Lund 994, OCl 211.0

Type  Open Cluster
Magnitude  4.6
Size  31'
Right Ascension  21h 31' 33"  (2000)
Declination  48° 14' 49" N
Constellation  Cygnus
Description  Cl, vL, P, vlC, *7...10
Classification  III 2 m
Observing Notes

Andrew Cooper
Nov 23, 2024    Waikoloa, HI (map)
15cm f/4 Newtonian, Makaʻiki Mk2 @ 22x
Seeing: 6 Transparency: 6 Moon: 0%

Bright and obvious, large at 30', sparse, coarse, stars 7-8th magnitude, fully resolved, a rough grouping of bright stars in a rich galactic starfield, a vaguely equilateral triangular shape about 30' on a side, found on a line from Deneb to α Lac at about half way, the surrounding region is lovely sweeping with the RFT

Andrew Cooper
Jun 18, 2024    Waikoloa, HI (map)
20cm f/6 Newtonian, Cave Astrola @ 45x
Seeing: 5 Transparency: 6 Moon: 0%

Large, bright! easily visible in the 70mm finder, a sparse cluster of 6th to 8th magnitude stars, fully resolved in rich galactic starfield, notably triangluar in shape about 30' on each side the corners anchored by brighter stars, these include the 6.8 magnitude HD205331 on the southeast

Andrew Cooper
Jun 17, 2023    Waikoloa, HI (map)
20cm f/6 Newtonian, Cave Astrola @ 76x
Seeing: 7 Transparency: 7 Moon: 0%

Big, bright, obvious in the 40mm finder, a coarse collection of 7th to 9th magnitude stars spanning a 30' field and filling the eyepiece with brilliant stars, coarse, fully resolved, located in rich galactic starfield

Andrew Cooper
Jun 27, 2020    Waikoloa Quarry, HI (map)
8x42mm Nikon Prostaff 3S Binoculars @ 8x
Seeing: 7 Transparency: 7 Moon: 0%

Bright, a bit more than one field northeast of Deneb, large, coarse, resolved, a conspicuous cluster of 6-8th magnitude stars roughly triangluar in shape and 30' in diameter

Andrew Cooper
Aug 27, 2006    TIMPA, Avra Valley, AZ (map)
28cm f/10 SCT Gypsy

Large! Bright!! loose and sparse open cluster of a few dozen stars, members stars are quite obvious as they are much brighter than the general galactic background, about ½° in diameter, distribution of the member stars seems fairly random in nature

Andrew Cooper
Nov 15, 1998    Las Cienegas NCA, Sonoita, AZ (map)
20cm f/10 SCT

A surprise! a large (30') and loose cluster of bright stars across the field.

Rev. T.W. Webb
May 19, 1885    

Grand open cluster

Johann Elert Bode
Oct 27, 1774    Berlin Observatory, Germany (map)

On October 27, 1774, I found in a triangle west and east with the two stars Pi at the tail of Cygnus a small star cluster, the position of which relative to the given stars I determined with the heliometer, as shown in the 6th figure.

Charles Messier
Jan 3, 1760    

Cluster of stars near the tail of the Swan; one can see them with an ordinary telescope of 3.5 feet.
― Connaissance des Temps, 1781
Other Data Sources for Messier 39
Nearby objects for Messier 39
13 objects found within 120'
Barnard 362 BD+47 3396 g Cygni
HD 204153 HD 204411 HD 205314
Minkowski 1-79 NGC 7067 NGC 7071
NGC 7082 Patchick 6 PK93+2.1
PK93-0.1
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

Messier 39