Lagoon and Trifid Nebulae

Nikon D90 camera

Sigma 150-500mm f/5-6.3 DG OS HSM APO Autofocus Lens

Orion TeleTrack GoTo Altazimuth Telescope Mount

Vello ShutterBoss Timer Remote Intervalometer

 

30” exposure, f/16, ISO 2000

1520mm 35-mm equivalent focal length;

 

I stacked 27 images using DeepSkyStacker software; Post-processing with Photoshop CS5. Darks, flats, dark-flats and offset-bias frames applied.

Done