M45 4 panel OSC

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UlteriorModem
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M45 4 panel OSC

#1

Post by UlteriorModem »


Here is what I managed to wring out of some pretty mediocre data.

A 4 panel Mosaic of M45 OSC data with a UV/IR cut filter. Each panel consists of 10 x 180second exposures Gain 139 Offset 21. Registered and merged with PI's gradient merge mosaic.

The ASI 1600mc has developed a nasty reddish glow on the right side of each (and every) panel. The large dust mote looking thing on the upper right edge is actually an internal reflection. If you look closely you will see the spider vanes :cry: I get this with the Lum filter and very bright stars.

ImageM45 Pass 1 by Tom Whit, on Flickr
Tom

Current Equipment:
Mount: Celestron CGX-L
Scope: 130mm f7 APO
Cam: ASI071mc-pro
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MariusD69 Romania
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Re: M45 4 panel OSC

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Post by MariusD69 »


Awesome! Great job, Tom!!
Marius
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
Cameras: ASI294MC Pro; ASI1600MM Pro; Atik 314L+mono; Canon 1100D; QHY5III-178m; QHY5L-II-m ; ASI224; Altair GPCAM 290M, GPCAM290C
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Re: M45 4 panel OSC

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Post by yobbo89 »


You're getting alot better with those Gradiant merges. Pitty about the internal reflections, I have the same problem..
scopes :gso/bintel f4 12"truss tube, bresser messier ar127s /skywatcher 10'' dob,meade 12'' f10 lx200 sct
cameras : asi 1600mm-c/asi1600mm-c,asi120mc,prostar lp guidecam, nikkon d60, sony a7,asi 290 mm
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: M45 4 panel OSC

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Post by Peter802 »


Nice image from mediocre data Tom.
Clear Skies.
Regards,

Peter
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Re: M45 4 panel OSC

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Post by Hankmeister3 »


Sweet! A wonderful and delicate capture of M45, Tom.
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: M45 4 panel OSC

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Post by UlteriorModem »


yobbo89 wrote: Sat Dec 07, 2019 10:28 am You're getting alot better with those Gradiant merges. Pitty about the internal reflections, I have the same problem..
Thanks! Yea there really is nothing, save some processing tricks, that can be done to prevent them.
Tom

Current Equipment:
Mount: Celestron CGX-L
Scope: 130mm f7 APO
Cam: ASI071mc-pro
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Re: M45 4 panel OSC

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Post by Benjamin »


Lovely fine nebulosity :-) The main stars look a bit over saturated to me (still wonderful and intense though!) and wonder if taking shorter subs might help? Might also help with those reflections?
Scopes:Skywatcher f5 12" Dob, f4 8” Quattro, Esprit 100
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Cameras:ZWO ASI2600MM-Pro, Astronomik 2” filters
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Re: M45 4 panel OSC

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Post by UlteriorModem »


Benjamin wrote: Mon Dec 09, 2019 12:03 am Lovely fine nebulosity :-) The main stars look a bit over saturated to me (still wonderful and intense though!) and wonder if taking shorter subs might help? Might also help with those reflections?
Yes shorter subs will help. I actually hope to grab a wider swath of the sisters with shorter subs. Maybe a 6 panel mosaic. Weather permitting :D

Also it was a little heavy on some processing aspects, but I really wanted to push the wisps ;)
Tom

Current Equipment:
Mount: Celestron CGX-L
Scope: 130mm f7 APO
Cam: ASI071mc-pro
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Re: M45 4 panel OSC

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Post by Benjamin »


6 panels sounds wonderful! I’m terrible with stars so probably why I notice those things but honestly don’t care that much, given the the wonderful wisps :-)
Scopes:Skywatcher f5 12" Dob, f4 8” Quattro, Esprit 100
Mounts:Skywatcher EQ6-R (EQMod)
Cameras:ZWO ASI2600MM-Pro, Astronomik 2” filters
Apps:PHD2, Sequence Generator Pro, PixInsight
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Re: M45 4 panel OSC

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Post by XCalRocketMan »


Not bad, not bad at all. The 6 panel with shorter exposures should be really good.
Scopes Celestron EdgeHD-11; William Optics GT102; William Optics ZS61; Criterion Dynamax-8 SCT
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Re: M45 4 panel OSC

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Post by UlteriorModem »


XCalRocketMan wrote: Wed Dec 11, 2019 1:09 pm Not bad, not bad at all. The 6 panel with shorter exposures should be really good.
I have found once you get past 4 panels it starts to get really tricky. Still going to give it a try. Thanks.
Tom

Current Equipment:
Mount: Celestron CGX-L
Scope: 130mm f7 APO
Cam: ASI071mc-pro
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