HorseHead and Flame WIP 2019

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Astrovetteman
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Re: HorseHead and Flame WIP 2019

#21

Post by Astrovetteman »


yobbo89 wrote: Fri Nov 29, 2019 3:44 pm pretty good image as expected (it's actually superb!)from an advance imager like you.it can be such a horrible task to image this target. the halos are fine, the image is almost perfect, i only see a small defect that captures my eye which is the streak of blue,a strange diffraction from the bright star Alnitak, you'll have to post some of your processing procedures. when ever i image with that star in the field of view it is a nightmare , the halo and diffraction stretchers over the horsehead nebula. it looks like most users have better success with a refractor over a newt with this target.
Yep, those blue streaks are from the OIII data......I thought when I got the Astrodon 3nm filters that'd go away....alas, they're still there!! I used the old SHO-AIP Script to blend this. RGB at 100%, R=50% H-Alpha+50% SII+100% R, G=15% H-Alpha+15% SII+ 70% OIII +100% G, B=100% OIII +!00% B. For Luminance I HDR combined all my masters of 60s, 180s, 300s, and 420s....then in SHO-AIP I used the MixingLuminance tool to combine the H-Alpha at 100% with the HDR L at 70% and used that as my Luminance in the Mixing L-SHONRVB process. I came up with a fairly good SHO-AIP image but the streaks were obvious, so I increased the contrast enough to make them not as visible (still are but you gotta look real close). Anyway, thanks for liking the image.....if the skies ever clear, I'm gonna take some shorter OIII subs and see if I can somehow eliminate those streaks!
Thanks Again :text-thankyoublue: !!
Tom
Scopes:TeleVue NP127is, TeleVue TV-85, Celestron C8 EdgeHD
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yobbo89 Australia
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Re: HorseHead and Flame WIP 2019

#22

Post by yobbo89 »


cheers for your processing information , i just learnt about the sho-AIP Script in pi.
scopes :gso/bintel f4 12"truss tube, bresser messier ar127s /skywatcher 10'' dob,meade 12'' f10 lx200 sct
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mounts : eq6 pro/eq8/mesu 200 v2
filters : 2'' astronomik lp/badder lrgb h-a,sII,oIII,h-b,Baader Solar Continuum, chroma 3nm ha,sii,oiii,nii,rgb,lowglow,uv/ir,Thousand Oaks Solar Filter,1.25'' #47 violet,pro planet 742 ir,pro planet 807 ir,pro planet 642 bp ir.
extras : skywatcher f4 aplanatic cc, Baader MPCC MKIII Coma Corrector,Orion Field Flattener,zwo 1.25''adc.starlight maxi 2" 9x filter wheel,tele vue 2x barlow .

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Re: HorseHead and Flame WIP 2019

#23

Post by Hankmeister3 »


Sorry to post again, but I keep coming back to this excellent image every time I come to TSS. Tom, you really did hit a grand slam when you posted this image. I doff my NHRA 2016 Mello-Yellow Series hat in your general direction, sir!
Telescopes: Meade LX90 10-inch f/10 UHC Coma-free SCT; Explore Scientific 127mm f/7.5 APO ED triplet refractor; Explore Scientific 102mm f/7 APO ED triplet refractor; Explore Scientific 80mm f/6 APO ED triplet refractor; Skywatcher 72mm f/6 ED Schott doublet refractor; Meade 70mm f/5 APO quadruplet astrograph refractor; Skywatcher Quattro 8-inch f/4 Newtonian astrograph; Orion 6-inch f/4 Newtonian astrograph; Skywatcher SkyMax 180mm f/15 Maksutov; iOptron 150mm f/12 Maksutov; Orion f/9 Ritchey-Chretien RC astrograph
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Re: HorseHead and Flame WIP 2019

#24

Post by Gordon »


Congratulations Tom on having your photo selected as the TSS Photo of the day!

viewtopic.php?f=103&t=5264
Gordon
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Re: HorseHead and Flame WIP 2019

#25

Post by Kanadalainen »


One of the best of the HorseHead that I have seen.

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