Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  HD204917  ·  HD205073  ·  HD205085  ·  HD205116  ·  HD205117  ·  HD205198  ·  HD205210  ·  HD205331  ·  LBN 416  ·  LDN 1006  ·  LDN 1009  ·  LDN 1012  ·  M 39  ·  NGC 7092  ·  PGC 101348  ·  PGC 167481  ·  PGC 167485  ·  PGC 167487  ·  PGC 167495  ·  PGC 86597
Getting plate-solving status, please wait...
M39 a beauty of an open cluster, John Favalessa
M39 a beauty of an open cluster, John Favalessa

M39 a beauty of an open cluster

Getting plate-solving status, please wait...
M39 a beauty of an open cluster, John Favalessa
M39 a beauty of an open cluster, John Favalessa

M39 a beauty of an open cluster

Equipment

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Acquisition details

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Description

A beauty superimposed on a sea of stars!  M39 is only ~1k light years away.  Young stars on 275 million years old.  I did a quick one nighter with my 102GT and OSC camera.  Guiding was 0.04 to 0.3!  ...same for my new AM5 mount that night.  I did a quick to process. ( I don't have much time for that lately.  its been clear so have much other data to process...one of these days).   I spent too much time adding the spikes with PS and StarSpikePro in a virtual Windows window...I hate Windows!  Your vote...with or without star spikes.   😂  -john

Comments

Revisions

  • Final
    M39 a beauty of an open cluster, John Favalessa
    Original
  • M39 a beauty of an open cluster, John Favalessa
    B
  • M39 a beauty of an open cluster, John Favalessa
    C
  • M39 a beauty of an open cluster, John Favalessa
    D

B

Description: with star spikes, looks good with open clusters

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C

Description: plate solved

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D

Description: The WO 102GT and ASI2600MC are a great combination, pixel scale 1.01. This is a deep crop of HD205331. impressive resolution from bortle 7 skies and a OSC camera.

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Sky plot

Sky plot

Histogram

M39 a beauty of an open cluster, John Favalessa