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M61 (Vir)
Click on the image for a larger version
| Date/Site: |
27. and 28. March 2020. Remote observatory on the AAR club's site in Presberg |
Exposure/
Filters: |
R: 24 x 180 seconds,
G: 24 x 180 seconds,
B: 16 x 180 seconds,
L: 24 x 180 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: Microtouch and FocusMax,
data acquired remotely using CCD-Commander and MaximDL 6,
calibration and processing: PixInsight 1.8 |
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© Friedhelm Hübner, last revision: 09.12.2024