This is much better data than my other post:
http://forum.orpington-astronomy.org.uk/index.php?topic=11432.msg82931#msg82931
Cairds campsite SQM 21.05
Ha - SWED80 & Atik314L 29 x 600secs + FR x0.8
Oiii - WOZS71 & Atik460EX 16 x 600 + FR x 0.8
Total imaging time 7 1/2 hours
HEQ5
(https://cdn.astrobin.com/thumbs/33B-E6L3nLNr_1824x0_JoKSVx0j.jpg)
Very good, can see more and more detail coming out.
When you say FR x 0.8 - does that mean the focal ratio is 0.8?
Noel
Thanks Noel, yes that's correct about the FR.
Carole