1st March disk
- robert
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1st March disk
Another clear day with a bitter wind. UK covered in cloud except for NW, extremely unusual, the opposite way round is the norm.
Robert
0301 01_Mar_18_112043_g4_ap541 by robertarnold, on Flickr
Robert
0301 01_Mar_18_112043_g4_ap541 by robertarnold, on Flickr
Last edited by robert on Thu Mar 01, 2018 12:55 pm, edited 1 time in total.
images and animations http://tinyurl.com/h5bgoso
2024 images https://www.flickr.com/photos/69734017@ ... 0313830045
2023 images https://www.flickr.com/photos/69734017@ ... 0304905278
ED80. ED100. Celestron-150mm-PST mod. C8 edge. ES127
LS60PT-LS60F-B1200. B600-Cak. PGR-Ch3-IMX265
2024 images https://www.flickr.com/photos/69734017@ ... 0313830045
2023 images https://www.flickr.com/photos/69734017@ ... 0304905278
ED80. ED100. Celestron-150mm-PST mod. C8 edge. ES127
LS60PT-LS60F-B1200. B600-Cak. PGR-Ch3-IMX265
- robert
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Re: 1st March disk
Thanks Ewan, yes I agree. Take any chances if possible!
images and animations http://tinyurl.com/h5bgoso
2024 images https://www.flickr.com/photos/69734017@ ... 0313830045
2023 images https://www.flickr.com/photos/69734017@ ... 0304905278
ED80. ED100. Celestron-150mm-PST mod. C8 edge. ES127
LS60PT-LS60F-B1200. B600-Cak. PGR-Ch3-IMX265
2024 images https://www.flickr.com/photos/69734017@ ... 0313830045
2023 images https://www.flickr.com/photos/69734017@ ... 0304905278
ED80. ED100. Celestron-150mm-PST mod. C8 edge. ES127
LS60PT-LS60F-B1200. B600-Cak. PGR-Ch3-IMX265
- Ibbo
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Re: 1st March disk
The weekend weather here looks promising and so does that disk. Nice shot Robert.
Christopher
"Our imagination is stretched to the utmost, not, as in fiction, to imagine things which are not really there, but just to comprehend those things which 'are' there.". -Feynman
"Our imagination is stretched to the utmost, not, as in fiction, to imagine things which are not really there, but just to comprehend those things which 'are' there.". -Feynman
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Re: 1st March disk
Nice nice nice and I have no chance to image at the moment
regards Rainer
Observatorio Real de 14
San Luis Potosi Mexico
North 22° West 101°
Observatorio Real de 14
San Luis Potosi Mexico
North 22° West 101°
- MapleRidge
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Re: 1st March disk
Superb shot Robert
Nice to see some return to activity in your image.
Brian
Nice to see some return to activity in your image.
Brian
Brian Colville
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Maple Ridge Observatory
Cambray, ON Canada
Photos: https://www.flickr.com/photos/185395281@N08/albums
10'x15 Roll-off Roof Observatory
Takahashi EM400 Mount carrying:
C14 + Lunt 80ED
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
ASI1600MM, ASI432MM, ASI294MM Pro, ASI174MM, ASI462MM
- Montana
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Re: 1st March disk
That's a lovely AR developing very unusual to see a gap in the cloud up there
Alexandra
Alexandra
- marktownley
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Re: 1st March disk
You were lucky with the weather there Robert! A great disk as a result.
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Re: 1st March disk
I love the quality of your FD images. So evenly exposed, with just enough limb darkening to look spherical. It also looks like you are not combining two images (surface/proms) but I still see detail in both. Could you share how you get this look?
Still learning.
Randall Benton
www.randallbenton.com
Still learning.
Randall Benton
www.randallbenton.com
- robert
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Re: 1st March disk
Thanks Randall,rbenton wrote: ↑Sat Mar 03, 2018 12:41 am I love the quality of your FD images. So evenly exposed, with just enough limb darkening to look spherical. It also looks like you are not combining two images (surface/proms) but I still see detail in both. Could you share how you get this look?
Still learning.
Randall Benton
www.randallbenton.com
I guess I like a simple process.
1. Double stacked Pressure tuned scope. Pressure tuner gives an even start. I was lucky with the second etalon being onband with nearly no tilt so the image stays even when it is added. PGR Ch3 3.2Mpx gives a full disk with no mosaic with LS60, UV/IR cut filter and tilt adapter to remove Newton's rings.
First tune the scope PT very carefully with an overexposed image to get the filter effect central, then add the non adjusted second etalon with no tilt.
2. Firecapture using gamma to around 1000 to just see the prominences and not overexpose things, histogram 70% ish. 500 frames 37fps.
3. AS2 stack about 10%-20% then PS2 (Photoshop), iterative unsharp mask 30%, 1px, 0 threshold, until it becomes overdone then undo one or two iterations. Convert to RGB, add colour and boost brightness and contrast for the disk and cut red in levels to make the background less hazy red. Check, done.
Whole image processed the same way and only one exposure, which is what I prefer to do just now.
Robert
images and animations http://tinyurl.com/h5bgoso
2024 images https://www.flickr.com/photos/69734017@ ... 0313830045
2023 images https://www.flickr.com/photos/69734017@ ... 0304905278
ED80. ED100. Celestron-150mm-PST mod. C8 edge. ES127
LS60PT-LS60F-B1200. B600-Cak. PGR-Ch3-IMX265
2024 images https://www.flickr.com/photos/69734017@ ... 0313830045
2023 images https://www.flickr.com/photos/69734017@ ... 0304905278
ED80. ED100. Celestron-150mm-PST mod. C8 edge. ES127
LS60PT-LS60F-B1200. B600-Cak. PGR-Ch3-IMX265
- marios i.
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Re: 1st March disk
Very nice!
Marios
Marios
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