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Old 02-04-2024, 12:49 PM
Dave882 (David)
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NGC 2818 PN & Open Cluster in Pyxis

This tiny planetary nebula NGC2818 found nestled in the open cluster NGC2818A is often overlooked and rarely imaged. With an apparent size of only 0.8’, it presents a challenging target to image and process. Imaged with the Optolong L-Ultimate 3nm dual narrow band filter, and RGB stars. Channels extracted in APP and recombined and processed in PI. A very faint Oiii outer shell can also be noticed to the upper left of the PN. Integration was 15hrs of narrowband (120sec subs) and 3hrs RGB stars (30sec subs), full moon B7 backyard.

Although the PN is the star of the show, the open cluster which shares the FOV provides a beautiful accompaniment, and I've tried to bring these surrounding stars to greater prominence so that they provide slightly more than just a pretty backdrop.

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C14 non edge @f7 with the Starizona reducer LF
EQ8 pro
Asi2600mc pro gain-100 (gain-0 for rgb stars)
Asi220mm / celestron OAG
ZWO EAF
ASIAIR pro / APP / PI

Comments very welcome! Thanks for having a look!
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Last edited by Dave882; 02-04-2024 at 04:20 PM.
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Old 02-04-2024, 01:00 PM
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Tinderboxsky (Steve)
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Fabulous capture, David. Your C14 certainly has tremendous reach and resolution. I like the colour balance across the planetary and the star field in the larger, full view version.
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Old 02-04-2024, 01:20 PM
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strongmanmike (Michael)
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Great shot Dave, love it, lovely colours and a beautiful flower like structure too

Like NGC2438 in M46, a PN sitting in a lovely open cluster is a bonus, two images in one

Mike

Last edited by strongmanmike; 03-04-2024 at 08:47 AM.
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Old 02-04-2024, 08:01 PM
Startrek (Martin)
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Dave,
Incredible PN image
Size 2 arc min , brightness magnitude +12 , Bortle 7
What more can I say !!
You have exposed so much detail for such an optically tiny faint object
Star field is fantastic too
Well done !!

Martin
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Old 02-04-2024, 09:28 PM
Dave882 (David)
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Thanks so much Steve, Mike & Martin. Iím glad you liked it.
Iím really enjoying doing some long focal length imaging off the beaten path. Very happy how this one turned out even though thereís not as much to see as some of the more popular targets, but Iím loving the challenge these little guys present.

Mike- that NGC2438 in M46 is a great target Iíd completely overlooked. I may see if I can get some data before it disappears for the year! Thanks for the tip
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Old 05-04-2024, 11:18 AM
TrevorW
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Need plenty aperture for these little planetary's, well done
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Old 05-04-2024, 02:22 PM
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gregbradley
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A wonderful image and very high resolution.

Greg.
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Old 05-04-2024, 06:09 PM
Dave882 (David)
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Thanks Greg & Trevor I appreciate you taking to time to comment. These little gems are certainly challenging but Iím loving finding some new targets Iíve never attempted before- and the excitement when you donít know what your data will reveal!
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Old 07-04-2024, 01:32 AM
vxcalais (Amien)
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Wow thats clear. Lovely shot
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Old 07-04-2024, 01:28 PM
Dave882 (David)
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Quote:
Originally Posted by vxcalais View Post
Wow thats clear. Lovely shot
Thanks very much!
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