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M46 or NGC 2437 open cluster - NGC 2438 planetary nebula
Canon EOS 600D unmod prime focus, through Skywatcher Explorer 130P-DS OTA, on Skywatcher EQ5 PRO Synscan GOTO mount, guided by 9x50 finder, with ASI120MC-S
17 stacked images x 240sec-darks-flats-bias, processed in DSS, croped
Exposure time [h] : 01:08:00
F-Number : 5.0
ISO speed ratings : 200
Focal length [mm] : 600
Δροσιά Χαλκίδας
