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Paramount
2010-Jun-25, 04:43 AM
Hi All
Another clear night that coincided with a night off work so I managed to get 13x20 minutes of SII data to go with the Ha and OIII from previous nights. This is a total of 13 hours exposure time and was taken with a Takahashi FSQ106ED at f5, Starlight Xpress H36 on a Paramount ME auto guided with a Lodestar and OAG using dithering. The last time I did this subject in the HST palette was 2 years ago with my TMB115 f7 with 6x10 minutes per channel. This earlier version can be seen on the "Nebulae" page of the image gallery on my website http://www.imagingtheheavens.co.uk. Be sure to check out the full high resolution version on http://www.pbase.com/imaging_the_heavens.
I am going to try a widefield of the crescent nebula and its surrounds next, thanks for looking
Best wishes and clear skies
Gordon

http://www.imagingtheheavens.co.uk/userimages/ic1318hst1000.jpg

RickJ
2010-Jun-25, 06:14 AM
Nicely done. Especially considering the sun never dips below astronomical twilight for you this time of the year and the big bright moon. Barely does here but no matter, I've got nothing but clouds anyway.

I thought your island was supposed to have mostly cloudy weather. Sure did when I was there 50 years ago, never saw the sun. 13 hours is more clear sky time than I've had all this month, I've had about 3. Hope the weather holds for you crescent shot. Bubble?

Rick

Paramount
2010-Jun-25, 07:05 AM
Hi Rick
Thanks for the comments, I have been rather lucky lately in that we are having some clear skies and I have been off duty for most of them, you are right about the lightness of the sky as it never got completely dark last night but that is where Narrow Band filters especially 5nm ones have a real big advantage over RGB. Hopefull I will catch the "soap bubble" in my crescent nebula shot
Best wishes
Gordon