The Image Index is a system based on likes received on images, that incentivizes the most active and liked members of the community. Learn more.
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Description: I restacked without bias frames and used log/square root when applying changes to the stacks before exporting them. It allowed me to sharpen it more and push it further without introducing too much noise - noise issues kept me from taking this as far as I wanted in the previous version.
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Description: Added 22 hours of data.
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Description: Additional noise reduction from PixInsight.
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Description: 11/19/2018: Inspired by Gary Imm's version and Eric Coles' amazing IOTD, I went back to my original data and decided to reprocess. The first thing I noticed was that I was clearly using the wrong flats for Ha, which COMPLETELY screwed up all the background hydrogen. (ARGH!) The second thing I noticed was no matter how I stacked, I couldn't get my darks to apply correctly. This resulted in far more noise than should be in there and TONS of hot pixels. I don't know what's going on there, but I do remember manually correcting the hot pixels last year. I don't have the patience for that here and I can't retake darks right now - first off, it's been too long, but secondly, my camera is on another continent at the moment. The data seem a bit flawed to me. Oh well - just another excuse to shoot this one again in a few years.
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Description: Re-added the luminance and selective color adjustments. Nothing to do about the noise though.
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Description: Mainly tried to get the red to be less brown. I also re-added parts of the luminance and reduced noise in the red channel. I need to stop reprocessing this one...
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Description: 09/17/2019: I'm trying to improve the muddy color, but I really need to just reshoot this one. Too many beginner mistakes.
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Please note: The following tables are updated every 24 hours.
Distinct awarded users | Total awarded images | |
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Image of the day | ||
Top picks | ||
Top pick nominations |
Image of the day | Top pick | Top pick nominations | Total submitted | |
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Deep sky | ||||
Solar system | ||||
Extremely wide field | ||||
Star trails | ||||
Northern lights | ||||
Noctilucent clouds | ||||
Landscape |
Image of the day | Top pick | Top pick nominations | Total submitted | |
---|---|---|---|---|
Backyard | ||||
Traveller | ||||
Own remote observatory | ||||
Amateur hosting facility | ||||
Public amaeteur data | ||||
Professional, scientific grade data | ||||
Mix of multiple sources | ||||
Other | ||||
Unknown |
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The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.
Submitted The date and time when you submitted this image for IOTD/TP consideration. | ... |
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Views by Submitters (available since September 19th, 2023) Every image is assigned to 50% of available Submitters. In the event that at least 80% of them don't view the image before its time in the IOTD/TP process expires, it's assigned to the other 50% of Submitters and the process begins anew. | |
Promotions by Submitters When 3 distinct Submitters promote the image, it moves on to the next stage of the process: evaluation for Top Pick status. This requirement, in addition to anonymization of images and distribution to only a subset of them, prevents biases and ensures that the best images are selected. | |
Promotions by Reviewers When 3 distinct Reviewers promote the image, it moves on to the next stage of the process: evaluation for IOTD status. | |
Early dismissal Staff members have a lot of images to inspect on a daily basis, and they can dismiss images if they believe they don't meet the requirements for IOTD/TP selection. If an image is dismissed 5 times, it's removed from the process. This streamlines the process and ensures that any bias present in promotions could be overruled by other staff members. |
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