Taken at Cairds on Thursday evening.
I used my dual rig but this time with the WO on top of the ED80 which meant I had to move my finderguider back to the Skywatcher foot as no-where to mount it on top of the WO. But I had ruined the rubber washer when I had previously removed it, so put it back together with a rubber band as a washer Lol.
I had balanced everything quite nicely, but when I focussed the two draw tubes came out sufficiently to unbalance the load which I couldn't adjust until the following day as it meant dismantling everything, so guiding was struggling a bit on Thursday.
My first attempt at this object, I was quite surprised how faint and small it was, also very little data in Sii and hardly anything in Oiii.
Two imaging cameras and scopes HEQ5
A: WOZS71 + FR x 0.8/ Atik314L
B: SW ED80 + FR x 0.8/ Atik460
B: 6 x 900 Ha, 4 x 600 Oiii
A: 6 x 6000 Sii (I did some 600secs Ha on this camera as well but it was too faint to bother with).
Mapped HOS
Total imaging time = 2 hours 10 minutes
(http://cdn.astrobin.com/images/thumbs/e547bde3590b0fbbe3c06b27443b87e7.1824x0_q100_watermark.jpg)
That's come out quite well considering the amount of subs, it's not a target I've tried. Just to check were they really 6000 second subs?
Doh, no 600secs :lol: :lol:
Another rarely photographed object. Great stuff.
Thanks Duncan
Carole
That's a very difficult subject and has come out rather well. You have nicely controlled the main star and the nebulosity is excellent.
Mark
Thanks Mark, that main star was a real pain and had to be dealt with in processing.
Carole
Quote from: Carole on Oct 13, 2015, 07:38:20
had to be dealt with in processing.
It always worries me when people say that :lol: ;)
I must admit you do seem to have tamed Gamma Cass very well.
Robert
I remember this being Chris's take on it back when he used to image ;-)
http://forum.orpington-astronomy.org.uk/index.php?topic=6516.msg40749#msg40749 (http://forum.orpington-astronomy.org.uk/index.php?topic=6516.msg40749#msg40749)
That star is quite dominant... :-(
<hijack>Interesting comparison John. If Chris used Astronomik filters back then then that would probably account for the big halo; even with that it's an excellent IC 63.</hijack>
:-) :-) :-)
Well I imaged it a few times myself also but never being able to afford large CCD's (640X480 was my limit aka Philips Toucam Pro) - I always had the luxury of being able to place Gamma Cass outside FOV.... John ;-)
Quotehad to be dealt with in processing.
It always worries me when people say that
Well put it this way, as I was using two different scopes and cameras. It came out well in one camera but not the other, so I only used the good one.
Carole
Quote from: RobertM on Oct 13, 2015, 19:01:59
<hijack>Interesting comparison John. If Chris used Astronomik filters back then then that would probably account for the big halo; even with that it's an excellent IC 63.</hijack>
No it's the big bloddy bright star that was the problem...
:-)