NGC 6939 - 2.12.2022 at 20.10 Orimattila, Artjärvi, Tähtikallio Observation number 111162

Visibility III / V

Toni Veikkolainen, Hannu Määttänen, Kari Laihia, Christos Oscar Kambiselis, Keski-Uudenmaan Altair

A fairly wide and evenly-bright open star group came into the picture this time. The cloud cover that was over the moon seems to reduce the reflections caused by the moon a little when filming.

This description has been automatically translated from Finnish. Click here to see the original text.

0 0

Additional information

Observation target
- Deep space object
Designation
- NGC 6939
Constellation
- Cepheus
Field of view
31 arc minutes
Weather
- Ajoittaisia aukkoja pilvipeitteessä, 73 % Kuu noin 30 asteen korkeudella

Darkness
- Mediocre
Seeing
- Mediocre
Limiting magnitude
- 5
Star clusters and asterisms
- Open cluster
  
  Open cluster is an irregular group of tens or hundreds of stars. It can be visible as separate stars or a bit fuzzy spot with small instrument.
  
  There is the open cluster M52 on the right edge of the image. The red emission nebula is the Bubble Nebula. Image Jyrki Grönroos.
  
  The open cluster M45 aka Pleyades. Image Juha Parvio.
  
  The pair of the open clusters NGC 869 and NGC 884 aka the Double Cluster in Perseus. Image Lauri Kangas.
  
  M34 is also an open cluster in Perseus. Image Teppo Laitinen.
  
  The Wild Duck Cluster M11 is an exceptional dense open cluster. Image Jaakko Asikainen.
  
  The Ptolemy's Cluster M7 is located in a rich-star area of The Milky Way in Sagittarius. Image Toni Veikkolainen.

Technical information

Alluna RC16, C415/3320, Moravian G4-16000 EC Mark II, with filter L 11 x 30 s, 20 x bias, 20 x dark, 10 x flat, 3x binning, image cropped

Send a comment

Comments are checked and moderated before publication If you want to contact the observer directly about possibilities to use these images, use the Media -form.

Newest observations

Contact information

NGC 6939 - 2.12.2022 at 20.10 Orimattila, Artjärvi, Tähtikallio Observation number 111162