Whirlpool Galaxy (M51) Stacked image (40 Light 120 s, 15 Dark, 25 Flat, 25 Dark Flat). 

 The Horsehead Nebula (B33).  Stacked image (33 Lights (180 s each), 15 Darks, 15 Bias, 15 Flats) using an ASI 2600 MC.

 Andromeda Galaxy (M31).  Deepskystacker, 24 light frames (ZWO 2600 MM, 120 sec exposure), 20 dark frames, 20 bias frames, 20 flat frames.

 The Southern Pinwheel Galaxy.  Stacked with Deepskystacker using 17 light photos (Nikon D750, edge8 HD at 105 s exposure each), 20 dark frames, 20 flat frames, 20 offset frames.

 Comet Tsuchinshen-atlas next to the Milkyway Galaxy.  14mm, F/2.8, ISO 8000, 10 s exposure.

 Comet Tsuchinshen-atlas over Stephen A Forbes State Park.  24 mm, F/4, ISO 2500, 6 s exposure.

 Comet Tsuchinshan-atlas over Sam Parr Biological Station.  24 mm, F/4, ISO 2500, 5 s exposure.

 Comet Tsuchinshan-atlas over Forbes Lake, Illinois.  48 mm, F/4, ISO 1000, 10 s exposure.

 Comet Tsuchinshan-atlas over Forbes Lake in Illinois.  24 mm, F/4, ISO 2400, 5 s exposure.

 Aurora borealis over Southern Illinois, October 10, 2024.  14 mm, F/2.8, ISO 4000, 4 s exposure.

 Aurora borealis in Southern Illinois, October 10, 2024.  14 mm, F/2.8, ISO 4000, 4 s exposure.

 Aurora borealis over Kinmundy, IL on October 10, 2024.  14 mm, F/2.8, ISO 4000, 4 s exposure.

 Aroura Borealis over Kinmundy, IL on October 10, 2024.  14 mm, F/2.8, ISO 4000, 4 s exposure.

 Auroras over Kinmundy, Illinois on October 10, 2024.  14 mm, F/2.8, ISO 4000, 4 s exposure.

 Moray Incan ruin site, Peru.  24 mm, F/9, ISO 200, 1/320 s exposure.  Panoramic stitched together in Photoshop from 5 photos.

 Maras salt mines near Cusco, Peru.  120 mm, F/7.1, ISO 200, 1/800 s exposure.

 Mt. Veronica of the Andes Mountains east of Cusco, Peru.  120 mm, F/5.6, ISO 200, 1/500 s exposure.

 Machu Picchu.  24 mm, F/7.1, ISO 200, 1/200 s exposure.

 Machu Picchu from trail up to peak.  35 mm, F/5.6, ISO 200, 1/250 s exposure.

 Andes Mountains of Peru, from Machu Picchu.  70 mm, F/6.3, ISO 200, 1/640 s exposure.