NGC 7318 et al., Stephan's Quintet (Peg)

NGC 7318 et al., Stephan's Quintet (Peg)

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Date/Site: 21. and 26. September 2017, AAR-observatory in Presberg
Exposure/
Filter:
R: 15 x 300 seconds,
G: 15 x 300 seconds,
B: 13 x 300 seconds,
L: 12 x 300 seconds (-20°C)
Camera: QSI 632 with Astronomik Type II-filters
Optics/
Instrument:
400mm f/5 Newton with Baader RCC1 on AP1200 GTO
Off-Axis-Guiding with Lodestar,
focusing with Microtouch and FocusMax,
image acquisition with CCD-Commander and MaximDL 6,
processing in PixInsight 1.8

This group of galaxies near NGC 7331 sports complex tidal tails.

© Friedhelm Hübner, last revision:  17.01.2021