NGC 7023 The Iris Nebula

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Juno16 United States of America
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NGC 7023 The Iris Nebula

#1

Post by Juno16 »


Hello all,

Another capture/process from my five night spree last week.
I feel rich to have collected 3 datasets in a week after 4 months of bad skies!

Skywatcher HEQ5 (Rowan mod)
Sharpstar 61 EDPHII w/ 0.8FR/FF (275mm fl)
ASI533 MC-Pro with ZWO UV/IR cut filter
Captured with N.I.N.A., PHD2, and GreenSwampServer
Processed with Pixinsight (2x drizzle)
623 sixty second lights over two nights (~11.5 hours)

First image with the new ZWO UV/IR cut filter. I really like this filter so far. I kept getting color fringing on the bright stars with my Sybony UV/IR cut filter and I kept going back to my IDAS LPS D-1 light pollution filter. I really like imaging broadband targets with only a UV/IR filter. I was hopeful that this new filter would work well and I am happy with it so far.

My goal was to capture some nice subtle dustiness in the background with a bright blue Iris was my goal.

I have never experimented with trying to bring out the background dust since I rarely collect it.
I prefer images that are not overwhelmed by background dust, so this works for me.

Hope that you like it! Comments are very welcome!


Image
Jim

Scopes: Explore Scientific ED102 APO, Sharpstar 61 EDPH II APO
Mount: Skywatcher HEQ5 Pro with Rowan Belt Mod
Stuff: ASI EAF Focus Motor (x2), Orion 50mm Guide Scope, ZWO 30 mm Guide Scope, Orion SSAG, ZWO ASI 120mm mini, Stellarview 0.8 FR/FF, Sharpstar 0.8 FR/FF
Camera/Filters/Software: ASI 533 mc pro, ASI 120mm mini, Orion SSAG, 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: NGC 7023 The Iris Nebula

#2

Post by davesellars »


That's an exceptional image - love the colour and internal detail of the Iris itself.
SW Flextube 12" Dobsonian.
Starfield ED102 f/7; SW ED80; SW 120ST
EQ5 and AZ4 mounts
Eyepieces: TV Delos 17.3 & 10; Pentax XW 7 & 5; BCO 32,18,10; Fuyiyama Ortho 12.5; Vixen SLV 25.
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Re: NGC 7023 The Iris Nebula

#3

Post by Juno16 »


Thank you Dave!

Your comments are much appreciated!
Jim

Scopes: Explore Scientific ED102 APO, Sharpstar 61 EDPH II APO
Mount: Skywatcher HEQ5 Pro with Rowan Belt Mod
Stuff: ASI EAF Focus Motor (x2), Orion 50mm Guide Scope, ZWO 30 mm Guide Scope, Orion SSAG, ZWO ASI 120mm mini, Stellarview 0.8 FR/FF, Sharpstar 0.8 FR/FF
Camera/Filters/Software: ASI 533 mc pro, ASI 120mm mini, Orion SSAG, 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: NGC 7023 The Iris Nebula

#4

Post by STEVE333 »


That's a pretty one Jim. The beautiful blue of the Iris and the nice job of bringing out the surrounding dust. Well done.

Steve
Steve King: Light Pollution (Bortle 5)
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Re: NGC 7023 The Iris Nebula

#5

Post by Ylem »


That's beautiful Jim!
Clear Skies,
-Jeff :telescopewink:

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Meade Starfinder 6 EQ,
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Re: NGC 7023 The Iris Nebula

#6

Post by Juno16 »


STEVE333 wrote: Sun Sep 25, 2022 1:06 am That's a pretty one Jim. The beautiful blue of the Iris and the nice job of bringing out the surrounding dust. Well done.

Steve

Thanks Steve!

This dataset was just nice. I had lots of room to move around during processing.

My sky sweet spot is the north. Most of my western sky is obscured by trees and the east is blown out from the city lp and streetlights.
I'm imaging M31 right now. Big difference pointing the scope more east. The mean adu is dropping every frame!

Ylem wrote: Sun Sep 25, 2022 1:15 am That's beautiful Jim!

Thank you Jeff!
Jim

Scopes: Explore Scientific ED102 APO, Sharpstar 61 EDPH II APO
Mount: Skywatcher HEQ5 Pro with Rowan Belt Mod
Stuff: ASI EAF Focus Motor (x2), Orion 50mm Guide Scope, ZWO 30 mm Guide Scope, Orion SSAG, ZWO ASI 120mm mini, Stellarview 0.8 FR/FF, Sharpstar 0.8 FR/FF
Camera/Filters/Software: ASI 533 mc pro, ASI 120mm mini, Orion SSAG, 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: NGC 7023 The Iris Nebula

#7

Post by bobharmony »


Great job bringing out the Iris internal structure while still keeping the dust present and impactful. A well balanced image of the area!

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: NGC 7023 The Iris Nebula

#8

Post by MariusD69 »


Wonderful image! Well done, Jim!
Marius
Mount: iOpton Cem60, HEQ5-for spare
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Re: NGC 7023 The Iris Nebula

#9

Post by Juno16 »


bobharmony wrote: Sun Sep 25, 2022 3:50 am Great job bringing out the Iris internal structure while still keeping the dust present and impactful. A well balanced image of the area!

Bob

I appreciated your nice comments Bob!

I have been extremely fortunate to have just finished my seventh night of imaging since 9/14/22. I don’t think that
I have ever had that kind of a run of clear skies. There were a few cloudy days, but not many!
This is after almost four months of poor skies. Man, weather is fickle!

It’s supposed to cloud up today, and with Ian to be in the gulf soon, who knows!

Take care and thanks Bob.

MariusD69 wrote: Sun Sep 25, 2022 5:23 am Wonderful image! Well done, Jim!

Thank you Marius!
Jim

Scopes: Explore Scientific ED102 APO, Sharpstar 61 EDPH II APO
Mount: Skywatcher HEQ5 Pro with Rowan Belt Mod
Stuff: ASI EAF Focus Motor (x2), Orion 50mm Guide Scope, ZWO 30 mm Guide Scope, Orion SSAG, ZWO ASI 120mm mini, Stellarview 0.8 FR/FF, Sharpstar 0.8 FR/FF
Camera/Filters/Software: ASI 533 mc pro, ASI 120mm mini, Orion SSAG, 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: NGC 7023 The Iris Nebula

#10

Post by Jockinireland »


Lovely image Jim. nice rich colours and structure in the core.
Scope: Skywatcher Evostar 80ED (SW 0.85 FR/FF) on a SW NEQ6Pro
Guiding; SW Evoguide 50ED, ASI 120mm mini
Meade 8" LX200 GPS on wedge (Guided with a cheapo 50mm guidescope and a ZWO ASI 120mm mini)
Sharpstar 61EDPH II (with dedicated 0.8 reducer) with wiliam Optics 32mm uniguide
Camera: ASI2600MC pro. QHY 163M with ZWO 7nm NB filters, Canon EOS700D astro mod
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Re: NGC 7023 The Iris Nebula

#11

Post by Juno16 »


Jockinireland wrote: Sun Sep 25, 2022 10:58 am Lovely image Jim. nice rich colours and structure in the core.

Thanks David. I’m enjoying the ZWO uv/ir cut filter for broadband targets even in Bortle 7 skies.
Jim

Scopes: Explore Scientific ED102 APO, Sharpstar 61 EDPH II APO
Mount: Skywatcher HEQ5 Pro with Rowan Belt Mod
Stuff: ASI EAF Focus Motor (x2), Orion 50mm Guide Scope, ZWO 30 mm Guide Scope, Orion SSAG, ZWO ASI 120mm mini, Stellarview 0.8 FR/FF, Sharpstar 0.8 FR/FF
Camera/Filters/Software: ASI 533 mc pro, ASI 120mm mini, Orion SSAG, 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 7
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Re: NGC 7023 The Iris Nebula

#12

Post by Mac »


Beautiful image Jim.

I want stars like yours!!!
Steve

Scopes : Explore Scientific ED102 Triplet APO - Radian Raptor Triplet APO - Celestron 6" SCT - Orion 50mm
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Re: NGC 7023 The Iris Nebula

#13

Post by Juno16 »


Hi Steve and thank you!

I tried something a bit different with the stars this process.
Of course, I drizzled, but I also did something that you and everyone else has probably been doing for some time. I removed the stars in the linear phase and stretched the starless and star’s image separately in HistogramTransformation.

When the image is just about done, I run Bill's star reduction Method 3.

Thank you for the nice comments!
Jim

Scopes: Explore Scientific ED102 APO, Sharpstar 61 EDPH II APO
Mount: Skywatcher HEQ5 Pro with Rowan Belt Mod
Stuff: ASI EAF Focus Motor (x2), Orion 50mm Guide Scope, ZWO 30 mm Guide Scope, Orion SSAG, ZWO ASI 120mm mini, Stellarview 0.8 FR/FF, Sharpstar 0.8 FR/FF
Camera/Filters/Software: ASI 533 mc pro, ASI 120mm mini, Orion SSAG, 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 7
Astrobin: https://www.astrobin.com/users/Juno16/
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Re: NGC 7023 The Iris Nebula

#14

Post by BABOafrica »


STEVE333 wrote: Sun Sep 25, 2022 1:06 am That's a pretty one Jim. The beautiful blue of the Iris and the nice job of bringing out the surrounding dust. Well done.

Steve
Yeah, I was just getting to say the same thing. Nice detail in the dust closest to the bright 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
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Cameras: QHY163m / Fujifilm X-A1 (modded) / Fuji X-A2 (not modded) / Orion StarShoot Auto Guider
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Re: NGC 7023 The Iris Nebula

#15

Post by messier 111 »


magnificent take , thx .
I LOVE REFRACTORS ,
:Astronomer1: Tele Vue 85 :sprefac:
EYEPIECES, Delos , Delite ang 26mm Nagler t5 .

The following quote is attributed to the poet John Lydgate and later adapted by President Lincoln:

“You can please some of the people all of the time, you can please all of the people some of the time, but you can’t please all of the people all of the time”.


Jean-Yves :flags-canada:
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