Telescope: Meade N6 at f/5, Baader Mk III MPCC, Orion Atlas EQ-G
Camera: ZWO ASI294MC Pro, 10C; Gain: 200
Filter: Orion Imaging Skyglow Filter
Guide scope: Williams Optics 50mm, Meade DSI Pro II, PHD
Exposure: 60x60sec saved as FITS
Darks: 32x60sec saved as FITS
Flats: 32x10sec, LED tracing tablet covered with 3 layers of muslin
Average Light Pollution: Red zone, poor transparency
Lensed Sky Quality Meter: 18.3 mag/arc-sec^2
Stacking: Mean with a 2-sigma clip.
White Balance: Nebulosity Automatic
Software: Nebulosity, Deep Sky Stacker, Photoshop
M39 is a large open cluster lying 9 degrees northeast of Deneb. Although sparse, its large size and relatively bright stars makes it is a nice target for binoculars and small telescopes.