This was taken on the 25th of November with the 106 and M25C. It had a longer tail than I expected, having just seen it with 10x50 binoculars, and positioned the head too near the middle of the frame, so missing some of the long tail. But I didn't get a second chance as clouds closed me down so I got no more than 20x60sec frames. They should have been 30sec as 60sec overexposed the head. Wise after the event of course. Hopefully I'll get a second try another night. The second photo is of a single heavily stretched and sharpened frame cropped to the head alone, and looking carefully I think I can see outgassing from two positions to the front of the nucleus, or am I imagining?
The exposure was 12x300sec., recorded by Nebulosity and guided by PHD. Calibrated in Astroart with flats and darks and sigma averaged, and finally processed in Photoshop.
I think this is AR1899.
The sky was strewn with thin cloud, but not heavy enough to stop the sun, though it was low in the sky, as is to be expected at this time of year at 53°N.
This is becoming addictive, it's infinitely variable and warmer than sitting in the dome at night.
I think this feature is AR 1893.
This was taken with the 106 and a focal reducer for the wider field but it's so small it almost looks lost in it.
Taken with the M25C, and processed in Astroart and Photoshop from 40 x 60sec frames.