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IC 443 (Gem)
Click on the image for a larger version
| Date/Site: |
11., 12., 13., 27., 28. February and 1. March 2021. Remote observatory on the AAR club's site in Presberg |
Exposure/
Filter: |
R: 7 x 180 seconds,
G: 15 x 180 seconds,
B: 9 x 180 seconds,
SII: 54 x 300 seconds,
O3: 69 x 300 seconds,
Ha: 85 x 300 seconds (-20°C) |
| Camera: |
Moravian G3-16200 with Astronomik Type II-filters |
Optics/
Instrument: |
250mm f/4,7 Newton with VIP-3010 Paracorr on 10Micron GM1000 HPS |
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Guiding: Lodestar attached to a 61mm-finder,
focusing: Microtouch and FocusMax,
data acquired remotely using CCD-Commander and MaximDL 6,
processing: MaximDL 6 and PixInsight 1.8 |
Photographically for me the supernova-remnant IC 443 was one of the most difficult objects: Propus (Eta Geminorum) causes multiple gradients and reflections. At least the chip of my Moravian does not produce blooming-streaks from bright saturated stars like the QSI did.
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© Friedhelm Hübner, last revision: 03.12.2023