used the "Lowest Read Noise" setting, gain 270 offset 65. 20x180s; this is a 2x drizzle of the center of the frame.
![](</s><URL rel="ugc nofollow" url="http://cdn.astrobin.com/images/thumbs/472caebe97ed3e2901e293c62072b72d.1824x0_q100_watermark_watermark_opacity-10_watermark_position-6_watermark_size-S_watermark_text-Copyright%20poobie.jpg"><LINK_TEXT text="http://cdn.astrobin.com/images/thumbs/4 ... poobie.jpg">http://cdn.astrobin.com/images/thumbs/472caebe97ed3e2901e293c62072b72d.1824x0_q100_watermark_watermark_opacity-10_watermark_position-6_watermark_size-S_watermark_text-Copyright%20poobie.jpg</LINK_TEXT></URL><e>)
I tried using SharpCap's built-in pre-processing, but the dark subtraction applied was inadequate, resulting in the need to crop. Lesson learned.
