Hi all,
a snap of the comet C/2013 A1 (Siding Spring) from last night:
8 x 300 second exposures, combined using sum.
12" SCT @ ~2200mm, 0.84"/pixel
ST8-XME @ bin 1x1, -25.
http://rogergroom.com/astro-photogra...siding-spring/
Brighter processed image at the above site.
Very happy to have another successful verification of automated comet tracked images
This comet shows trailing if tracked at Sidereal rate longer than 120s exposures (at 0.84"/pixel).
Regards,
Roger.