Leo Trio_2009-02-18

Galaxies - Leo Trio

Messier 66 is an intermediate spiral galaxy about 36 million light-years away in the constellation Leo. M66 is about 95 thousand light-years across with striking dust lanes and bright star clusters along sweeping spiral arms. M66 is part of the famous Leo Triplet, a small group of galaxies that also includes M65 and NGC 3628. Messier 65 is an intermediate spiral galaxy about 22 million light-years away and NGC 3628 is an unbarred spiral galaxy about 35 million light-years away.

NGC 3628, M 65, M 66 – Leo Trio

Date/time: 18.02.2009 23:30 to 19.02.2009 00:10
Ambient conditions: -5°C, transparency 4/5, seeing 4/5, late clouds
Location: Aach, Germany

Equipment:
Telescope: TMB 92 SS f/5.5 with TSFlat
Mount: CGE sefguided with ST-4000XCM
Camera: ST-4000XCM
Filters: IDAS LPS

Acquisition:
Software: CCDSoft V5
FOV, Image scale: 102,8 x 102,8 arcmin, 3,01 arcs/pixel
Sub-exposures: 40min (4 x 10min) lights at –35°C
100 darks, 30 EL flats, 50 bias for flats calibration

Processing:
Calibration, stacking, DDP in Images Plus 3.75,
curves and levels adjustments in CS3,
noise reduction with Carbonis Actions,
saturation enhancement with Gabany´s method,
green cast eliminaton in Pixinsight LE 1.0

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Information

Filename: galaxies/leo_trio_2009-02-18_full.jpg
Filesize: 848896 Kb
Download limit: unlimited

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