LeoTriplet - LLRGB

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starfield United States of America
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LeoTriplet - LLRGB

#1

Post by starfield »

Had a couple of clear nights to keep experimenting with LLRGB and the mono camera. I'm still chasing one mystery gradient but seem to have my flats finally working (Seem like the 294mm likes long flats, >2sec - this wasn't the case with the 294mc.)

Here's the results. 80 frames Lum at 120sec, 15 frames each RGB at 180 second. For Startools users out there, I posted a question to Ivo on StarToos forum. For a Startools workflow he noted that LLRGB works better if subs are all shot at same length. Also mentioned that keeping things at same length helped get better results with StarTools Decon Module.

Going mono is definitely more work than using my color camera, but does seem to produce a better image in the end.
LeoTripletLLRGB.png
Scopes: Esprit 100, 12.5" Telekit Dob
Camera: 294 MC Pro, 224 mc, 2600mm
Guiding: ZWO 290 mini on 120mm guide scope
Mounts: EQ6R-Pro, EQ Platform.
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Re: LeoTriplet - LLRGB

#2

Post by Gmetric »

Cracking image, plenty of detail and beautiful processed. :)
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messier 111 Canada
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Re: LeoTriplet - LLRGB

#3

Post by messier 111 »

well done , thx
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Re: LeoTriplet - LLRGB

#4

Post by sdbodin »

starfield wrote: ↑Sun May 02, 2021 1:25 am

Going mono is definitely more work than using my color camera, but does seem to produce a better image in the end.

Great image, and I definitely agree with your statement above. Also, I have used equal exposures for L and RGB, but with my Atik 460ex mono, which is a 16 bit CCD, I use 5 minute subs.

Nice pic,
Steve
Scopes; Meade 16 LX200, AT80LE, plus bunch just sitting around gathering dust
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Re: LeoTriplet - LLRGB

#5

Post by Larry 1969 »

That's a very nice Leo Triplet! Well done!

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Re: LeoTriplet - LLRGB

#6

Post by MariusD69 »

Awesome! Great job!
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Re: LeoTriplet - LLRGB

#7

Post by Greenman »

Yes mono does produce great data, thanks for taking the tome on this.
Cheers,

Tony.

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Re: LeoTriplet - LLRGB

#8

Post by Gordon »

Congratulations Steve on having your image selected as todays TSS APOD!!!

app.php/article/5-3-2021-tss-astrophoto ... of-the-day
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Scopes: Explore Scientific ED80CF, Skywatcher 200 Quattro Imaging Newt, SeeStar S50 for EAA.
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Re: LeoTriplet - LLRGB

#9

Post by Ruud »

A most excellent image! Thank you for sharing, Steve, and congrats on the apod.
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Re: LeoTriplet - LLRGB

#10

Post by helicon »

Congrats Steve on a splendid image and on winning the APOD.
-Michael
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Re: LeoTriplet - LLRGB

#11

Post by TheButcher »

Excellent Steve and Congrats on the APOD!
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Re: LeoTriplet - LLRGB

#12

Post by Ylem »

Awesome 👍
And congratulations Steve 👍🎈🎉
Clear Skies,
-Jeff :telescopewink:


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Re: LeoTriplet - LLRGB

#13

Post by starfield »

Thanks, all. And on point of clarification.... there was a typo in my original post.. I've found the 294mm likes the long flats... I did not see the same behavior with my 294mc! Short flats on the 294mc seemed to calibrate fine with my setup.
Scopes: Esprit 100, 12.5" Telekit Dob
Camera: 294 MC Pro, 224 mc, 2600mm
Guiding: ZWO 290 mini on 120mm guide scope
Mounts: EQ6R-Pro, EQ Platform.
Filters: Optolong L-Pro & L-Enhance, Chroma 36mm LRGB, 5nm HA, 3nm OIII, 3nm SII.
Software: SharpCap, SGP, StarTools 1.7, Photoshop, Pixinsight
The Death Star Observatory
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Re: LeoTriplet - LLRGB

#14

Post by XCalRocketMan »

Very nice - and congrats on the TSS APOD.
Scopes Celestron EdgeHD-11; William Optics GT102; William Optics ZS61; Criterion Dynamax-8 SCT
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