View Full Version here: : Ic 4406
tornado33
11-05-2006, 09:59 PM
Howdy
I thought Id try something different. I put on my 2x converter, boosting the focal length of my 10 inch scope to 2800 mm, then imaging Planetary Nebula IC 4406
2x 5 mins ISO 1600, UHCS and uv/ir filter in place as was the MPCC and 2x converter. This is cropped down from a larger image
Scott
EzyStyles
11-05-2006, 10:34 PM
beautiful shot scott. very hard object to get indeed.
h0ughy
12-05-2006, 07:36 AM
strange structure on that one, looks conical! You amaze me mate.
spearo
12-05-2006, 08:28 AM
Scott,
well done! The "Retina Nebula" looks very cool. good tracking at 5 min exposure!
well done
frank
strongmanmike
12-05-2006, 09:28 AM
Good one Scott
Using the 2X was a good idea as it is quite small huh?
The background looks a little red on my monitor
Nearly imaged this myself with the AP recently but passed it over. I was going to use a 2X barlow to get nearly 2400mmFL but couldn't be bothered changing everything from my usual config (lazy huh?) so thanks for your post you saved me the effort! :thumbsup:
Mike
Striker
12-05-2006, 10:14 AM
Scott....have to give you credit manualy guiding at double your usual focal length and then cropping...well done.
Very Nice image considering how you did it.
tornado33
12-05-2006, 08:03 PM
Thanks all.
The 2x converter is good for these small but brighter objects where 5 mins or less at F11.2 suffice :)
With the off axis guider I use a 2.8x barlow, and a 12 mm eyepiece with illuminated recticle, that normally gives me enough magnification to guide ok with a suitable guidestar.
Scott
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