Pickerings Triangle and the Witches Broom Reprocess

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Pickerings Triangle and the Witches Broom Reprocess

#1

Post by Juno16 »


Hi everyone,

Processing past data again. Been about three months now since an imaging night and it is starting to wear on me. The old saying “absence makes the heart grow fonder” is definitely true!

I saw several really nice Pickering’s Triangle images posted recently. I was never happy with my last imaging/processing of the Triangle/Witches Broom back in September of 2021. The original process was way too bold for my tastes, but at the time it kind of “hit the spot”. Now looking back, a reprocess was definitely in order.

Poor skies are always a good time to look at old data for reprocessing, and after lots of distractions, I tackled this one finally and really enjoyed the process.

I struggled to not alter the teal tint of the OIII tendrils toward blue (I think it blue looks cool).
Instead, I kept the color of the image very close to the color calibrated linear version before stretching and tweaks. So, that left me with a teal OIII.

So, for better or for worse, this is my version of the 2021 data and it is certainly more subdued.
This version is more to my liking and it was really an easy process in Pixinxight with a tiny touch of a black adjustment in Adobe Camera Raw. It is really nice that you can see the histogram while making adjustments to the slider.

Imageding:

Sharpstar 61 EDPHII
0.8FR/FF
ASI 533 MC-P
ASI EAF
Celestron AVX mount
about 4’50” of integration (120 sec with the L-eNhance filter)
Processed with Pixinsight and Photoshop

Here it is. Comments welcome and thanks for looking!


Image
Jim

Scopes: Explore Scientific ED102 APO, Sharpstar 61 EDPH II APO, Samyang 135 F2 (still on the Nikon).
Mount: Skywatcher HEQ5 Pro with Rowan Belt Mod
Stuff: ASI EAF Focus Motor (x2), ZWO OAG, ZWO 30 mm Guide Scope, ASI 220mm min, ASI 120mm mini, Stellarview 0.8 FR/FF, Sharpstar 0.8 FR/FF, Mele Overloock 3C.
Camera/Filters/Software: ASI 533 mc pro, ASI 120mm mini, ASI 220mm mini , IDAS LPS D-1, Optolong L-Enhance, ZWO UV/IR Cut, N.I.N.A., Green Swamp Server, PHD2, Adobe Photoshop CC, Pixinsight.
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Re: Pickerings Triangle and the Witches Broom Reprocess

#2

Post by kt4hx »


Very nice indeed Jim! I know you imagers tend to be your own worst critics, but from someone whose eye is trained as an observer, you have an excellent rendition of the central/western portion of this famous SN remnant. Just for the fun of it, I annotated your image with main catalogued portions within your image. There are of course other denser knots in the image that do not carry any formal designation. Well done buddy!
Attachments
Veil_annotated.jpg
Alan

Scopes: Astro Sky 17.5 f/4.5 Dob || Apertura AD12 f/5 Dob || Zhumell Z10 f/4.9 Dob ||
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Re: Pickerings Triangle and the Witches Broom Reprocess

#3

Post by Juno16 »


kt4hx wrote: Tue Aug 09, 2022 1:09 am Very nice indeed Jim! I know you imagers tend to be your own worst critics, but from someone whose eye is trained as an observer, you have an excellent rendition of the central/western portion of this famous SN remnant. Just for the fun of it, I annotated your image with main catalogued portions within your image. There are of course other denser knots in the image that do not carry any formal designation. Well done buddy!

Thank you for your nice comments Alan!

Glad that you like the image and thanks a bunch for the annotations!

Yes, this area is certainly beautiful!

Much appreciated sir!
Jim

Scopes: Explore Scientific ED102 APO, Sharpstar 61 EDPH II APO, Samyang 135 F2 (still on the Nikon).
Mount: Skywatcher HEQ5 Pro with Rowan Belt Mod
Stuff: ASI EAF Focus Motor (x2), ZWO OAG, ZWO 30 mm Guide Scope, ASI 220mm min, ASI 120mm mini, Stellarview 0.8 FR/FF, Sharpstar 0.8 FR/FF, Mele Overloock 3C.
Camera/Filters/Software: ASI 533 mc pro, ASI 120mm mini, ASI 220mm mini , IDAS LPS D-1, Optolong L-Enhance, ZWO UV/IR Cut, N.I.N.A., Green Swamp Server, PHD2, Adobe Photoshop CC, Pixinsight.
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Re: Pickerings Triangle and the Witches Broom Reprocess

#4

Post by Larry 1969 »


Wonderful image Jim! I really like the colors and you managed to get the stars under control nicely!

Larry
For visual:
10" Skywatcher collapsible goto dob, various EP's and a Celestron StarSense auto align.

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Re: Pickerings Triangle and the Witches Broom Reprocess

#5

Post by Juno16 »


Larry 1969 wrote: Tue Aug 09, 2022 2:06 am Wonderful image Jim! I really like the colors and you managed to get the stars under control nicely!

Larry
Thank you Larry!

Star reduction courtesy of Bill’s Star Reduction Method 3!
Jim

Scopes: Explore Scientific ED102 APO, Sharpstar 61 EDPH II APO, Samyang 135 F2 (still on the Nikon).
Mount: Skywatcher HEQ5 Pro with Rowan Belt Mod
Stuff: ASI EAF Focus Motor (x2), ZWO OAG, ZWO 30 mm Guide Scope, ASI 220mm min, ASI 120mm mini, Stellarview 0.8 FR/FF, Sharpstar 0.8 FR/FF, Mele Overloock 3C.
Camera/Filters/Software: ASI 533 mc pro, ASI 120mm mini, ASI 220mm mini , IDAS LPS D-1, Optolong L-Enhance, ZWO UV/IR Cut, N.I.N.A., Green Swamp Server, PHD2, Adobe Photoshop CC, Pixinsight.
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Sky: Bortle 6-7
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Re: Pickerings Triangle and the Witches Broom Reprocess

#6

Post by Larry 1969 »


Juno16 wrote: Tue Aug 09, 2022 2:22 am Thank you Larry!

Star reduction courtesy of Bill’s Star Reduction Method 3!
I just started using that myself! Fantastic!

Larry
For visual:
10" Skywatcher collapsible goto dob, various EP's and a Celestron StarSense auto align.

For imaging:
Orion 8" astrograph 800mm @ F3.9
Eq6-R Pro controlled by APT via EQmod with an OTA mounted mini PC
Tele Vue Paracorr Type 2 coma corrector
Altair Hypercam 26C
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Re: Pickerings Triangle and the Witches Broom Reprocess

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Post by bobharmony »


You really nailed this one, Jim. Your processing has grown by leaps and bounds over the past year!

Bob
Hardware: Celestron C6-N w/ Advanced GTmount, Baader MK iii CC, Orion ST-80, Canon 60D (unmodded), Nikon D5300 (modded), Orion SSAG
Software: BYE, APT, PHD2, DSS, PhotoShop CC 2020, StarTools, Cartes du Ciel, AstroTortilla

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Re: Pickerings Triangle and the Witches Broom Reprocess

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Post by BABOafrica »


The colors are perfect.

I always enjoy shots of this nebula. I never get tired of looking at the "lacework" quality of the filaments in this nebula.

BABO
"In lumine tuo videbimus lumen."

Scopes: Stellarvue SV80 Raptor Carbon Fiber ED Doublet / Celestron SCT C8
Williams Optics 66mm APO / DIY 8" f/4 Newtonian astrograph / Nikon 180mm f/2.8
Mounts: Orion Atlas EQ-G / Celestron AVX / DIY mini-equatorial
Cameras: QHY163m / Fujifilm X-A1 (modded) / Fuji X-A2 (not modded) / Orion StarShoot Auto Guider
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Re: Pickerings Triangle and the Witches Broom Reprocess

#9

Post by Juno16 »


bobharmony wrote: Tue Aug 09, 2022 3:35 am You really nailed this one, Jim. Your processing has grown by leaps and bounds over the past year!

Bob

Thank you Bob!

It really felt good to do some processing!

I can’t say more positive about Pixinsight. I have learned so much (and have much more to go).

BABOafrica wrote: Tue Aug 09, 2022 8:48 am The colors are perfect.

I always enjoy shots of this nebula. I never get tired of looking at the "lacework" quality of the filaments in this nebula.

BABO

Thanks Babo!

I really tried “not” to overdo the color and kept the hues just as the camera produced. Maybe a bit of saturation only.

I really ought to try a mosaic of this area one day. For now, I would just be thrilled with a clear sky!

Thanks buddy!
Jim

Scopes: Explore Scientific ED102 APO, Sharpstar 61 EDPH II APO, Samyang 135 F2 (still on the Nikon).
Mount: Skywatcher HEQ5 Pro with Rowan Belt Mod
Stuff: ASI EAF Focus Motor (x2), ZWO OAG, ZWO 30 mm Guide Scope, ASI 220mm min, ASI 120mm mini, Stellarview 0.8 FR/FF, Sharpstar 0.8 FR/FF, Mele Overloock 3C.
Camera/Filters/Software: ASI 533 mc pro, ASI 120mm mini, ASI 220mm mini , IDAS LPS D-1, Optolong L-Enhance, ZWO UV/IR Cut, N.I.N.A., Green Swamp Server, PHD2, Adobe Photoshop CC, Pixinsight.
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Re: Pickerings Triangle and the Witches Broom Reprocess

#10

Post by MariusD69 »


Wonderful! Very well done, Jim!!
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Mount: iOpton Cem60, HEQ5-for spare
Scopes: newt SW 150/750PDS, dobson SW 150/1200; SW 114/500; TS Photoline 80mm f/6 Triplet APO; SW ST80
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Re: Pickerings Triangle and the Witches Broom Reprocess

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Post by messier 111 »


superb work , thx .
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Re: Pickerings Triangle and the Witches Broom Reprocess

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Post by Jockinireland »


Thats a lovely re-pro Jim. I definitely prefer the colours of the repro.
Scope: Skywatcher Evostar 80ED (SW 0.85 FR/FF) on a SW NEQ6Pro
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Re: Pickerings Triangle and the Witches Broom Reprocess

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Post by Juno16 »


MariusD69 wrote: Tue Aug 09, 2022 11:10 am Wonderful! Very well done, Jim!!

Much appreciated Marius!


messier 111 wrote: Tue Aug 09, 2022 12:39 pm superb work , thx .

Thank you Jean-Yves!

Jockinireland wrote: Tue Aug 09, 2022 2:23 pm Thats a lovely re-pro Jim. I definitely prefer the colours of the repro.

Glad that you like the colors. Basically straight out of the camera. Really a very easy process.

Thank you David.
Jim

Scopes: Explore Scientific ED102 APO, Sharpstar 61 EDPH II APO, Samyang 135 F2 (still on the Nikon).
Mount: Skywatcher HEQ5 Pro with Rowan Belt Mod
Stuff: ASI EAF Focus Motor (x2), ZWO OAG, ZWO 30 mm Guide Scope, ASI 220mm min, ASI 120mm mini, Stellarview 0.8 FR/FF, Sharpstar 0.8 FR/FF, Mele Overloock 3C.
Camera/Filters/Software: ASI 533 mc pro, ASI 120mm mini, ASI 220mm mini , IDAS LPS D-1, Optolong L-Enhance, ZWO UV/IR Cut, N.I.N.A., Green Swamp Server, PHD2, Adobe Photoshop CC, Pixinsight.
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Re: Pickerings Triangle and the Witches Broom Reprocess

#14

Post by starfield »


Great work, Jim. Do like the colors.
Scopes: Esprit 100, 12.5" Telekit Dob
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Re: Pickerings Triangle and the Witches Broom Reprocess

#15

Post by Juno16 »


starfield wrote: Tue Aug 09, 2022 5:26 pm Great work, Jim. Do like the colors.

I’m glad that you like the colors Steve. I resisted the urge to tweak the colors in Curves and like the way it came out.
For OSC shooters like me, the L-eNhance does a great job with Ha and OIII targets like this. Really makes for a smooth process even in Bortle 7 and some moonlight.
Thanks!
Jim

Scopes: Explore Scientific ED102 APO, Sharpstar 61 EDPH II APO, Samyang 135 F2 (still on the Nikon).
Mount: Skywatcher HEQ5 Pro with Rowan Belt Mod
Stuff: ASI EAF Focus Motor (x2), ZWO OAG, ZWO 30 mm Guide Scope, ASI 220mm min, ASI 120mm mini, Stellarview 0.8 FR/FF, Sharpstar 0.8 FR/FF, Mele Overloock 3C.
Camera/Filters/Software: ASI 533 mc pro, ASI 120mm mini, ASI 220mm mini , IDAS LPS D-1, Optolong L-Enhance, ZWO UV/IR Cut, N.I.N.A., Green Swamp Server, PHD2, Adobe Photoshop CC, Pixinsight.
Dog and best bud: Jack
Sky: Bortle 6-7
My Astrobin: https://www.astrobin.com/users/Juno16/
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Re: Pickerings Triangle and the Witches Broom Reprocess

#16

Post by Mac »


Beautiful capture and processing!
Steve

Scopes : Explore Scientific ED102 Triplet APO - Radian Raptor Triplet APO - Orion 50mm
Mount : AVX EQ | Software : KStars - EKOS - Stellar OS | Cameras : ZWO ASI533MC ASI1600MM ASI120MM-mini
CPU : Mac Studio, iMac - Kstars-Ekos on Raspberry Rpi4/RPi5 | Misc : Thousand Oaks dew controller - DewNot straps - Optolong L-enhance - ZWO EAF
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Re: Pickerings Triangle and the Witches Broom Reprocess

#17

Post by helicon »


Nice re-process Jim!
-Michael
Refractors: ES AR152 f/6.5 Achromat on Twilight II, Celestron 102mm XLT f/9.8 on Celestron Heavy Duty Alt Az mount, KOWA 90mm spotting scope
Binoculars: Celestron SkyMaster 15x70, Bushnell 10x50
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