Helix Nebula - NGC 7293

HelixNebula

Technical Data

Acquisition site San Antonio de Areco, Buenos Aires, Argentina
Acquisition date 9-12-2015 (28 subframes)
6-8-2016 (17 subframes)
Instrument Newton GSO F4 200 with GPU coma corrector.
Mount Sky-Watcher NEQ6, managed by EQmod
Guide Off-Axis, with Lodestar camera
Camera Modified Canon 600D/T3i
No IR Filter (Full Spectrum mod, using Astronomik MC Clear)
Refrigerated (regulated temperature)
Camera sensor temperature 0°C (on-sensor measured and regulated)
Filter Astronomik Clip CLS CCD
Integration 45x5 minutes subframes - ISO 800
Total integration time: 3 hs 45 minutes
Calibration 49 flats, 400 bias, 84 darks.
Resolution 1.1 arcsec/pixel
787 mm actual focal, 4.2 um x 4.2 um pixels
Native size 5202 x 3465 pixels
Cropped size 3240 x 1822 pixels
FOV 59.4’ x 33.4’
Image center coordinates RA: 22 29 40.607
Dec: -20 50 03.74
Rotation: -0.6°
Process PixInsight 1.8