Imaged at Perth Observatory. Noticeable lens flare at the edges and a strong red gradient due to city light in the west and southwest largely cropped out. See also uncropped version. Canon 60D DSLR, Ambient ~12C. Canon IS 18-200mm EF-S f/3.5-f/5.6 lens at 18mm f/3.5 on Skywatcher Star Adventurer EQ mount DeepSkyStacker 3.3.4 Stacked 80% (248) of 310 Images ISO 1600 @ 30 Sec at ~12C, 32 DARK @ 120 Sec @~18C, 32 BIAS, 17 FLATS, Post-processed with Adobe Photoshop CC 2015
Imaged at Perth Observatory. Noticeable lens flare at the edges and a strong red gradient due to city light in the west and southwest. See also cropped version. Canon 60D DSLR, Ambient ~12C. Canon IS 18-200mm EF-S f/3.5-f/5.6 lens at 18mm f/3.5 on Skywatcher Star Adventurer EQ mount DeepSkyStacker 3.3.4 Stacked 80% (248) of 310 Images ISO 1600 @ 30 Sec at ~12C, 32 DARK @ 120 Sec @~18C, 32 BIAS, 17 FLATS, Post-processed with Adobe Photoshop CC 2015
Imaged at Perth Observatory This was an experiment to see how the Skywatcher Star Tracker would go with a rough polar alignment and my stock 18-200mm at full 200mm and f/5.6 aperture. This cropped version shows less coma at the edges. See also uncropped version. Canon 60D DSLR with Canon IS 18-200mm at f/5.6 lens manual focus, unstabilised, field 6 x 4 deg. Ambient ~16C. Skywatcher Star Adventurer mount on Sidereal tracking rate. DeepSkyStacker 3.3.4 Stacked 80% (14) of 18 Images ISO 2000 @ 60 Sec, 16 DARK @ 120 Sec ISO 800, 32 BIAS, 18 FLATS, Post-processed with Adobe Photoshop CC 2015
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