M7 - Ptolemy Cluster

M7, also known as Ptolemy Cluster, tucked nicely at the tail of the Scorpion. With the Milky Way center nearby, it was tempting to give it a try, even though it was right in the middle of the city glow.


The final image was rather pleasing for me. I managed to capture some background stars as well. Stretched quiet a lot in Photoshop especially on the grey curve.


Camera: QHY9 Mono with QHY Filter wheel (RGB)
Telescope: SW Equinox 120ED
Mount: EQ6 Pro with EQMOD
Guiding: Orion 80mm and QHY5
Imaging Software: Maxim DL
Processing Software: Maxim DL and PS3
Exposures: L: 6 x 100sec, R: 3 x 60sec, G: 3 x 60sec, B: 3 x 60sec
Calibration: Old Flats (per color) and Darks
Dither : 2 pixel per sub

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