"The Dragons and the Butterfly"
NGC6188/NGC6164 Mosaic
Molecular cloud in Ara


This photography was taken at San Antonio de Areco, Provincia de Buenos Aires, Argentina, in two sessions: the 4-22-2017 and the 4-29-2017.
It is a mosaic composed by 2 tiles (3hs 30 min integration time and 3 hs integration time respectively).

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 dates 4-22-2017
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 Tile 1: 42 subframes @ ISO 800, 5 minutes each (total integration time: 3 hours 30 minutes)
Tile 2: 36 subframes @ ISO 800, 5 minutes each (total integration time: 3 hours)
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
Mosaic size 5064 x 6244 pixels
FOV 1°33’ x 1° 54'
Image center coordinates RA: 16 h 37 min 44 sec
Dec: -48° 34' 14"
Rotation: 89.5°
Process PixInsight 1.8