"Cat's Paw" Nebula
NGC6334 in Scorpius


This photography was taken at San Antonio de Areco, Buenos Aires, Argentina, the 3-24-2017.
The total integration time was 2hs 30 min.

The used equipment setup: Newton GSO 200 F4 with GPU Comma Corrector, Canon 600D/T3i modified and refrigerated (sensor measured and regulated temperature 0°C), Astronomik CLS CCD filter, SkyWatcher NEQ6 mount, and homemade electronic focuser and anti-dew systems.

Technical data

Acquisition site San Antonio de Areco, Buenos Aires, Argentina
Acquisition date 3-24-2017
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 30 subframes @ ISO 800, 5 minutes each (total integration time: 2 hours 30 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 (each tile) 5202 x 3465 pixels
Cropped size 5139 x 3399 pixels
FOV 1°34’ x 1° 2'
Image center coordinates RA: 17h 19 min 16 sec
Dec: -35° 56' 28"
Rotation: 138°
Process PixInsight 1.8