Rho Ophiuchi cloud complexIC4604 - IC4603This cloud complex lies in the Ophiuchus constellation, at a distance of approximately 450 light-years from Earth. The picture has a total integration time of 2 hours 25 minutes composed by individual subframes of 5 minutes @ ISO 1600 each. They were taken in the La Banderita Observatory, La Pampa province, Argentina, during June 2018. The used equipment setup: Canon EF 200mm f/2.8L lens, Canon 6D camera (unmodified), Sky Watcher Star Adventurer mount (RA guided with QHY miniguider and QHY5L-II-M guide camera) and homemade anti-dew device.
A detail of the zone marked in the following image is shown in this 2 tiles mosaic.
|Acquisition site||La Banderita Observatory, La Pampa, Argentina|
|Instrument||Canon EF 200mm f/2.8.|
|Mount||Sky-Watcher Star Adventurer|
|Guide||QHY MiniGuider with QHY5L-II-M camera|
|Camera||Unmodified Canon 6D|
|Camera sensor temperature||10°C to 24°C (as reported by camera - ambient temperature between 0°C and -11°C)|
|Integration||29 subframes @ ISO 1600, 5 minutes each (total integration time: 2 hours 25 minutes|
|Calibration||49 flats, 400 bias, No darks.|
194 mm actual focal, 6.5 um x 6.5 um pixels
|Native size (each tile)||5496 x 3670 pixels|
|Cropped size||5439 x 3550 pixels|
|FOV||10° 33' x 7° 3'|
|Image center coordinates||RA: 16 h 21 min
Dec: -22° 39'