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IC 5070 (Cyg), Pelican-Nebula
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| Date/Site: |
5. and 12. October 2018. Remote observatory on the AAR club's site in Presberg |
Exposure/
Filter: |
R: 14 x 180 seconds,
G: 14 x 180 seconds,
B: 14 x 180 seconds,
Ha: 29 x 300 seconds,
O3: 31 x 300 seconds (-20°C) |
| Camera: |
QSI 632 with Astronomik Type II-Filters |
Optics/
Instrument: |
250mm f/4 Newton with Baader RCC1 on 10Micron GM1000 HPS |
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Guiding: Lodestar attached to a 61mm-finder,
focusing with Microtouch and FocusMax,
data acquired remotely using CCD-Commander and MaximDL 6,
calibration: MaximDL 6, processing: PixInsight 1.8 |
Following the modified bicolor technique by Cannistra and Wechselberger by combining Hα- and OIII-frames for a synthetic green channel a pseudo-RGB-colour version was created. This image was added to the RGB-data to achieve better star colours.
The narrowband-version alone I like even better:
IC 5070 (Cyg), Pelican-nebula, narrowband-version
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And the Hα-data alone:
IC 5070 (Cyg), Pelican-nebula in Hα
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© Friedhelm Hübner, last revision: 03.12.2023