Lagoon and Trifid nebulas (M8 y M20) in Halfa

M8M20NebulaHalpha

Technical Data

Acquisition site Buenos Aires City, Argentina
Acquisition date 05-1-2019
Instrument Refractor SkyWatcher Esprit 100.
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 Hα (6 nm)
Integration 50 x 5 minutes subframes - ISO 800
Total integration time: 4 hs 10 min
Calibration 49 flats, 400 bias, 31 darks.
Resolution 1.6 arcsec/pixel
543 mm actual focal, 4.2 um x 4.2 um pixels
Native size 5202 x 3465 pixels
Cropped size 5010 x 3255 pixels
FOV 2°13’ x 1° 26’
Image center coordinates • RA: 18h 03m 40s
• Dec: -23° 57' 50"
• Rotación: -135°
Process PixInsight 1.8