NGC 7000 - 13.10.2021 at 21.24 - 13.10.2021 at 23.11 Kirkkonummi, Komakallio Observation number 101830

Visibility V / V

Samuli Vuorinen, Kirkkonummen komeetta

During the summer, I switched a notch to a larger star camera, and finally got to take the official first light with it. I targeted the classic North American fog, which is very hollow this fall. With the new camera, the field of view is so wide that it can also accommodate the adjacent Pelican Mist, i.e. the IC 5070.

In addition to the full view, I added a couple of details in 100% size to the observation. The other little bit sadly left a small satellite chip that I missed during the stacking phase, and I no longer wanted to leave to do the whole processing again because of the Streak.

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Additional information

Observation target
- Deep space object
Designation
- NGC 7000
Constellation
- Cygnus

Nebulae
- Emission nebula
  
  In an emission nebula the hot stars nearby cause the gas glow. This should not mix with reflection nebula, where the gas is only lit up by nearby stars.
  
  The appearance of a gas nebula is irregular, and the fainter parts of it need bigger instruments to be visible.
  
  Emssion nebulae in Cepheus. The bigger part is composed of the nebulae Cederblad 214 (Ced214) and NGC 7822. The lower round nebula is called Sharpless 170 (Sh2-170). Image J-P Metsävainio.
  
  The Orion nebula. Image Samuli Vuorinen.
  
  In this 4-degree-field there are emission nebulae Sh2-157, Sh2-158, Sh2-159, Sh2-161 and Sh2-162 (or NGC 7635 aka Bubble Nebula) and open clusters M52 and NGC 7510. Image Juha Kepsu.
  
  NGC 281 aka Pacman Nebula. The object is in Cassiopeia. Image J-P Metsävainio.
  
  NGC 896 in Cassiopeia is the tip of Heart Nebula (IC 1805). Image Timo Inkinen.
- Dark nebula
  
  Dark nebulae are dust in space. It obsruct the visibility of background star and bright nebulae. Thus, the dark nebulae are seen as dark clouds in space.
  
  The Horsehead Nebula is a dark nebula. Image Arto Murtovaara.
  
  The dark nebula LDN 1235 in Cepheus. Image Juha Kepsu.
  
  The dark nebula LDN 1302. Image Tero Turunen.
  
  The NGC 1333 is a reflection nebula, which includes also dark nebulae. Image Samuli Vuorinen.

Technical information

ZWO ASI2600MM camera, Chroma 3 nm narrowband filters (H-alpha, S-II and O-III), Sky-Watcher Esprit 100ED telescope, APM Riccardi 0.75x focal length reducer and iOptron CEM60 tripod. Exposure for a total of 90 minutes in 5 minute increments.

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NGC 7000 - 13.10.2021 at 21.24 - 13.10.2021 at 23.11 Kirkkonummi, Komakallio Observation number 101830