Celestial hemisphere:  Northern  ·  Constellation: Pegasus (Peg)  ·  Contains:  NGC 7317  ·  NGC 7318  ·  NGC 7319  ·  NGC 7320  ·  NGC 7331  ·  NGC 7333  ·  NGC 7335  ·  NGC 7336  ·  NGC 7337  ·  NGC 7338  ·  NGC 7340  ·  NGC 7343  ·  Stephan's Quintet
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NGC 7331, NGC 7320 and plenty of faint fuzzies, Stefan
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NGC 7331, NGC 7320 and plenty of faint fuzzies

Getting plate-solving status, please wait...
NGC 7331, NGC 7320 and plenty of faint fuzzies, Stefan
Powered byPixInsight

NGC 7331, NGC 7320 and plenty of faint fuzzies

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Description

This is my first light for the QHY268c collecting photons through the AP Starfire155 EDF. I have portrayed NGC 7331 five or six times before over the past 27 years but I never got a satisfying picture of Stephan's Quintett. Here, both are captured in one field. But there are a number of very nice background galaxies as well which I did not expect.

In the annotated version two objects of rather strange appearence are indicated by a red circle. There was no confirmed match in the catalogues at hand. So if anyone knows about their nature and catalogue number, any hint is most welcome.

The second addendum (inverted version) shows some very faint hint of IFN - if any. This is certainly at the edge of detection level, so I cannot rule out artifacts, unfortunately. However, note that NGC 7320 is infact much larger in diameter than seen in usual view and shows what could be a tidal stream to the east and slightly bending up.

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  • NGC 7331, NGC 7320 and plenty of faint fuzzies, Stefan
    Original
  • NGC 7331, NGC 7320 and plenty of faint fuzzies, Stefan
    C
  • NGC 7331, NGC 7320 and plenty of faint fuzzies, Stefan
    D

C

Description: Annotations - note the two unidentified objects (red circles)

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D

Description: Black/White - possible tidal stream of NGC 7320

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NGC 7331, NGC 7320 and plenty of faint fuzzies, Stefan