View Full Version here: : Mewlon 180 meets the Star Queen (M16)
Dennis
29-03-2007, 08:40 PM
Hello,
Last night I thought I would try imaging with the Mewlon 180 F12 Dall Kirkham Cassegrain at prime Focus (2160mm fl) with the ST7.
I grabbed 4 sub frames of M16 at 5 mins each, giving an overall exposure of 20 mins when combined. As you can see, I have some guiding problems to sort out and I think I would also benefit from using the Tak Reducer (F9.3) as it proved quite challenging at F12.
M16 from suburban Brisbane, 28/29th March 2007.
Tak Mewlon 180 F12 at prime focus
SBIG ST7E CCD camera
4 images at 5 mins each.
Auto guided (well, sort of!) using a WO 80mm F7, Orion Star Shoot and PHD Guiding.
The next teetering steps along this masochistic path, will be adding the CFW-8A colour filter wheel and exploring the whole new world of tri-colour imaging.
Cheers
Dennis
Lovely Dennis. Minor guiding issue, but the Tak is showing great potential. Looking forward to seeing some more as they develop. :thumbsup:
h0ughy
29-03-2007, 08:47 PM
NIce work Dennis. Be good to see a colour version?
DobDobDob
29-03-2007, 09:03 PM
It works for me Dennis :thumbsup:
Dennis
29-03-2007, 09:37 PM
Thanks guys. I only wish I had the luxury of an observatory; setting up and tearing down each night is proving to be a painful process.
It takes me approx 1 ½ to 2 hours to carry the gear outside, set it up, balance the OTA’s, boot the PC, connect the cameras, tweak the polar alignment, cool the ST7, get the GoTo working, focus the ST7, etc and this is only B&W. Gulp – what is tri-colour imaging going to do to my head?
Maybe I'll stick with a simple ToUcam...ahh, life on easy street eh, or maybe get a dobsonian?
Cheers
Dennis
Don't be too hard on yourself, Big D.
I've not got my DMK hooked up to filters yet:rolleyes:
I'm taking it easy with the ToUcam for now too.
Nice image
iceman
30-03-2007, 06:23 AM
Wow dennis, hearing that makes me feel a bit better about my setting up and tearing down now.. I think i'll stick with planetary :)
Great image btw, great resolution.
great photo lots of detail that newlon one new scope.
Phil
Very nice image Dennis, you have captured some nice detail in the nebulosity.
Cheers
Garyh
30-03-2007, 08:15 AM
Once you`re guiding probs are fixed you will have a ripper of a image!!!
But it still a great image as it is!!
Dennis I can only imagine what you'd achieve if you had an observatory.
It's so true about setup times.
I long for the day where I can finally set up my gear in an observatory.
That's a beautiful image with lovely detail Dennis.
:thumbsup:
strongmanmike
02-04-2007, 08:29 PM
Ah Dennis
I hear ya, I hear ya!
Before I built my previous observatory
http://www.pbase.com/strongmanmike2002/observatorygeneral
and
http://www.pbase.com/strongmanmike2002/observatory_construction
:( :sadeyes:
I used to setup my LX200GPS 12" imaging system in my front yard from scratch each night too! Like you probably feel, I felt almost posessed sometimes, never faultering and sometimes setting up 3 or 4 times each week on a regular basis in Canberra.
Now after having had an observatory and then losing it the set up and pulldown imaging affair is bloody daunting again for sure!
The last session I had was setting up my new system so it was slow and I thought..?..I NEED AN OBSERVATORY:scared: :scared: :scared: :scared:
http://www.pbase.com/strongmanmike2002/image/74369365/large
We are true amatuer astronomers plowing ahead regardless....with scant regard for our sanity...:screwy: ??
Nice work on the Eagles Head BTW that's about as hard as it gets mate its all plain sailing after that!
Mike
Dennis
02-04-2007, 09:39 PM
Hi Mike
Thanks for the sympathetic response – I feel much better now! However, I wish I had your impressive physique and strength to assist with my setting up, although I guess my system is not as heavy as your LX200 was!
Just had a peek at your fabulous set up – eek, do you use all that computer stuff out in the open? I shelter mine in my observing hutch (http://www.iceinspace.com.au/index.php?id=63,370,0,0,1,0), which I drag out each night (fully assembled) from underneath the house.
Cheers
Dennis
strongmanmike
03-04-2007, 09:13 AM
:lol: Yeh being strong was indeed helpful prarticularly with a wedge mounted 12" on the full size giant field tripod. Had the 14" been available when I ordered my 12" I would probably have gone with it even though I knew I was portable :screwy: In late 2002 I set what is probably a World Record..? When I lifted and pressed my 12" OTA + Forks from chest to arms length overhead 8 times :D :screwy: :screwy: :whistle: At under 70lbs it was mostly hard only because I knew the value of the thing if I was to drop it :scared:
Unfortunately I am getting smaller, weeker (and fatter) by the day now so I doubt I would trust myself to do that sort of thing these days (perhaps I could try with your Mewlon..?:D ) and besides I think about these sort of ego related self tests much less often these days :lol:
I have imaged with an outdoor setup like that for over 18 months now and never seen a problem with the electronics..? Of course until recently I was imaging in Canberra which is much drier thay Newcastle...?
Hang in there and given you wheel most of it out of a shed and setup already..ahhh, you're a pussy! :)
Mike
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