December 18, 2020: 100 minutes on M45

[michael.h.f.wilkinson]

Just stacked the results of yesterday's data on M45, obtained with my APM 80 mm F/6 triplet, Tele-Vue TRF-2008 0.8x reducer, and modded Canon 550D with CLS-CCD filter omn the EQ3-2 mount. All processing in APP. As the mount wasn't tracking ideally I reduced exposure time to 30 seconds, and stacked 200 of them. Still need to crop the shot a bit, but this will do for now. The early stages of the session were plagued by the odd passing veil of thin cloud, so I am pleased enough how this came out.

 

[vineyard]

That FOV really works well (assuming you'll only crop the bare minimum?). Gives a v nice sense of perspective. 👍🏾 

[ollypenrice]

NIce.

(It looks as if you processed the image without edge-cropping it first, since the unaligned borders are visible. I don't know how APP's algorithms work but in PI things like gradient removal would be badly confused by the uneven borders. Just a thought.)

Olly