M51 (Observations)
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Picture taken on 2011-03-28 with the SBIG STL-11000M |
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Picture from the 2009-05-02 observation by Hirsch, color balance by Hanke |
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Picture from the 2011-06-27 observation by Wille, SN outburst after 4 weeks still clearly visible |
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Picture from 2012-05-31 observation by Markus Schindewolf on MEADE 40 cm and EOS 60d |
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Picture from 2019/04/15 observation by Philipp Weber with EHT and SBIG STX-16803 |
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Reprocessing of the image from 2019/04/15 |
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All data collected during the remote 2021 lab |
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Using data not acquired during lab observations |
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New edit including luminance from the C4-16000 by Philipp Weber |
| Date | Observer | Telescope | Camera | Exposure | Calibration | Seeing / Sky / Transparency | Path |
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| 2009-05-02 | Hirsch | 40cm | SBIG STL-11000M | 2x1800sec Clear, 2x600sec RGB each | Domeflat | bad / foggy, half moon within 60° of target / medium | /data/observations/CCD/M51/2009-05-02.Hirsch |
| 2011-03-28 | Hell, Wille, Fürst | 40cm | SBIG STL-11000M | 600sec clear, 1200sec blue and green each, 600sec red | dome flats, master-dark | normal / clear / normal | /data/CCD/M51/2011-03-28.NH.MW.FF/ |
| 2011-06-27 | Wille | 40cm | SBIG STL-11000M | 1200sec clear | sky flats, dark frames | bad / clear / clear | /data/CCD/M51/2011-06-27.MW/ |
| 2012-05-29 | Markus Schindewolf | 40cm | Canon 60d + IDAS LP2 | 23x140sec, ISO 4000 | darkframes, no flats | medium | |
| 2019/04/15 | Philipp Weber | EHT | SBIG STX-16803 | 28x180s clear, 20x180s RGB each | flats, darks | median/clear/bad (bright moon) | |
| Spring and summer 2021 | Students, Philipp Weber, Steven Haemmerich, Felix Schmidt | EHT | SBIG STX-16803 | Captured: 101x180s R, 103x180s G, 96x180s, B; Used: 48xR, 53xG, 51xB | flats, darks, flatdarks | mixed, multiple nights | /userdata/data/observer/observations/STX-16803/M51 |