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Old 22-06-2020, 11:55 AM
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Retrograde (Pete)
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IC 4685 and Friends

Hi all - this is my first proper telescopic deep sky object in about 18 months. I've basically given up on getting out under dark skies (for a while at least) so decided to invest in an Optolong L-pro filter and try imaging from the Bortle 7 skies where I live.

This image was therefore a bit of a test - this object is probably more suited to narrowband imaging (Ha blend at least) but anyhow here it is.
4.6 hours with a modded Pentax K-5iis through a Skywatcher 190mm Maksutov Newtonian & Optolong L-Pro filter. Getting a decent colour rendition was quite a challenge but at least I didn't have nasty gradients to deal with.

I'm rather rusty with all of this so happy for some C&C.

Higher res (HD+) here: https://www.astrobin.com/full/4d3152/0/?real=&mod=
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Old 22-06-2020, 12:08 PM
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multiweb (Marc)
ze frogginator

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Superb close up Pete. No rust in sight. Poolroom material.
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Old 22-06-2020, 12:15 PM
Placidus (Mike and Trish)
Narrowing the band

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Very fine! We've only ever tried it in narrowband. It looks quite different in natural colour (plus or minus the light pollution filter). In particular, there's the flaming scarlet "feather" at about 25% of the way to the right and 55% of the way down from the top. Fascinating.
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Old 22-06-2020, 07:34 PM
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gregbradley
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Nicely done Pete.

Greg.
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Old 23-06-2020, 12:28 PM
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Retrograde (Pete)
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Quote:
Originally Posted by multiweb View Post
Superb close up Pete. No rust in sight. Poolroom material.
Thanks Marc!

Quote:
Originally Posted by Placidus View Post
Very fine! We've only ever tried it in narrowband. It looks quite different in natural colour (plus or minus the light pollution filter). In particular, there's the flaming scarlet "feather" at about 25% of the way to the right and 55% of the way down from the top. Fascinating.
Thanks M&T!
Yes that feature has a markedly different colour (& even texture) to the rest of the nebulosity in the region.


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Originally Posted by gregbradley View Post
Nicely done Pete.

Greg.
Cheers Greg - much appreciated.
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