If you own a DSLR or Mirrorless camera, you’re already equipped to start astrophotography as a hobby. I like the idea of being portable thus rather than lug around a telescope with a dedicated astro-camera that further requires a computer and an external power source. I prefer to maximize my experience on the field with a simple addition of a sky tracker that compliments my toolkit of wide angle and telephoto lens. This approach does not replace the images we get from high end refractors with cooled CCD and CMOS astro-camera, but the images can be suprisingle good with the huge upside of  increased portability, ease of travel and planning. Today’s CMOS sensors in DSLR or Mirrorless cameras allows for much higher signal to noise ratio that can integrate photons from distant deep sky objects with ease. All the images here are taken with Sony mirrorless camers with standard lenses (no telescope) that piggy back on a sky tracker to increase shutter speeds upto 3 minutes for a single exposure. This allows for multiple images to be shot at a lower ISO and later stacked to further boost signal to noise, allowing for finer details (like dust lanes and nebulae color) to come through. Because many nebulae in the night sky emit a strong signal in the deep-red visible spectral line with a wavelength of 656nm (hydrogen-alpha), I had my Sony A6000 modified to replace the stock filter with an expanded spectral response filter. This gives the camera about a 4 fold increase in sensitivity in the H-alpha line compared to a stock camera, which greatly helps in image acquition of these celestion objects.