EarthSky Community Photos
Updates on Your Cosmos and World
Bowser, Vancouver Island, B.C. Canada
Pentax K-1 with 60-250 mm lens at 220 mm. Astrotracer used to reduce star trails. 15 exposures of 18 seconds each at f/4 and iso 6400.
Raw images were stacked and aligned in Sequator using 15 light frames, 50 dark frames, 10 bias frames and 10 flat frames.
Post processing in Lightroom Classic and Photoshop. Image cropped and re-sized in PaintShop pro and saved as jpeg for submission.
This image of comet Iwamoto is situated just above 63 Leo at 10:39 pm on 9 February 2019 (mean time of 15 exposures each 17 seconds long). This stack is one of six separate stacks (not submitted) which demonstrate the movement of the comet relative to the background stars.