Quark Proms and Chrom Oct 10th
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Quark Proms and Chrom Oct 10th
I got more experiments today with the Quark (and I used flats to boot!). SO many large proms today!
I experimented on the PROMS and the same CHROM ARs with Quark NEG 2 and Quark ZERO. The sun went behind a tree before I could get Quark POS 2.
The flats seemed to increase contrast as well...is that correct?
QUARK NEGATIVE 2 (best 50 of 200 frames though AS3 then IMPPG then GIMP).
QUARK ZERO
I experimented on the PROMS and the same CHROM ARs with Quark NEG 2 and Quark ZERO. The sun went behind a tree before I could get Quark POS 2.
The flats seemed to increase contrast as well...is that correct?
QUARK NEGATIVE 2 (best 50 of 200 frames though AS3 then IMPPG then GIMP).
QUARK ZERO
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Re: Quark Proms and Chrom Oct 10th
Are they not loading?
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Re: Quark Proms and Chrom Oct 10th
Nice shots of the proms Jack!
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Re: Quark Proms and Chrom Oct 10th
Hi Jack...
Nice collection of images and the proms are a challenge when they are so faint, but you still pulled them up!!!
Brian
Nice collection of images and the proms are a challenge when they are so faint, but you still pulled them up!!!
Brian
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Photos: https://www.flickr.com/photos/185395281@N08/albums
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Deep Sky Work - ASI294MM Pro+EFW 7x36/Canon 60D (Ha mod), ONAG
Planetary Work - SBIG CFW10, ASI462MM
2.2m Diameter Dome
iOptron CEM70G Mount carrying:
Orion EON 130ED, f7 OTA for Day & Night Use
Ha Setup: Lunt LS80PT/LS75FHa/B1200Ha + Home Brew Lunt Double Stack/B1800Ha on the Orion OTA + Daystar Quantum
WL, G-Band & CaK Setup: Lunt Wedge & Lunt B1800CaK, Baader K-Line and Altair 2nm G-Band filter
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Re: Quark Proms and Chrom Oct 10th
These are great, some super proms here
I would say that neg2 is far more on band than zero (which doesn't look very nice - sorry). I would try negative 3, 4 and 5 next.
Alexandra
I would say that neg2 is far more on band than zero (which doesn't look very nice - sorry). I would try negative 3, 4 and 5 next.
Alexandra
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Re: Quark Proms and Chrom Oct 10th
Lol. No offense taken!!
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Re: Quark Proms and Chrom Oct 10th
Lol. No offense taken!!
Explore Scientific 152mm f6.5 achromat
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Quark Chromosphere f27 native, (f14 when focal reduced)
Mallincam .5x focal reducer (large format)
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Huge Sense of Adventure Viewing Creation
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Quark Chromosphere f27 native, (f14 when focal reduced)
Mallincam .5x focal reducer (large format)
12nm Filter
ZWO174 (IMX249 chip 5um)
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Re: Quark Proms and Chrom Oct 10th
Jack,
Good images at neg 2. Maybe hold back on the deconvolution and apply more sharpening in ImPPG as you are introducing spotty artefacts into your images. I’ve found that these come in when the deconvolution scale is set too high and/or the number of iterations is set too high. The actual values depend on a number of variables. Play with the settings to see how they affect your image and use the zoom (plus) function to check the image quality in close. You should be able to pull out detail without introducing artefacts.
Hope this helps.
Stu.
Good images at neg 2. Maybe hold back on the deconvolution and apply more sharpening in ImPPG as you are introducing spotty artefacts into your images. I’ve found that these come in when the deconvolution scale is set too high and/or the number of iterations is set too high. The actual values depend on a number of variables. Play with the settings to see how they affect your image and use the zoom (plus) function to check the image quality in close. You should be able to pull out detail without introducing artefacts.
Hope this helps.
Stu.
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Fluxgate Magnetometers (1s and 150s Cadence).
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More images at http://www.flickr.com/photos/solarcarbon60/
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Re: Quark Proms and Chrom Oct 10th
Good stuff, Stu. Thank you. The large blobs are from the flats. I will indeed work on the small little round artifacts as directed.
Jack
Jack
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Re: Quark Proms and Chrom Oct 10th
You're not doing flats right if you're getting blobs.
Once the flat is set you can't change the focus, quark dial, rotate the camera etc. If you change any variables a new flat needs to be set.
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Re: Quark Proms and Chrom Oct 10th
Crab nuggets. Ok! Good catch.
Thanks Mark
Thanks Mark
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Re: Quark Proms and Chrom Oct 10th
Thanks all. What's interesting is that the more I Practice the more I can see comments like Val's. But Alexandra's point is spot on, risk of a poor Quark in exchange vs the angst of exchange versus just pure enjoyment.
Cheers,
Jack
Cheers,
Jack
Explore Scientific 152mm f6.5 achromat
Aeries D-ERF
Quark Chromosphere f27 native, (f14 when focal reduced)
Mallincam .5x focal reducer (large format)
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ZWO174 (IMX249 chip 5um)
Huge Sense of Adventure Viewing Creation
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Quark Chromosphere f27 native, (f14 when focal reduced)
Mallincam .5x focal reducer (large format)
12nm Filter
ZWO174 (IMX249 chip 5um)
Huge Sense of Adventure Viewing Creation