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So I shot about two hours of data of the famous Double Cluster NGC 869 & NGC 884, with my achromatic refractor SW Stratravel 80 (80/400) and Canon 4000D. The trick to get nice stars with reduced chromatic aberration is to image the stars at f/10 (the lens cap on, but with the central opening open), and to image the background (the background - or the nebula, the galaxy, the dust lane, or whatever you want to image) at f/5. After registration both sets of subframes on the same reference frame, one can easily combine the stacks in GIMP, without the need of aligning them manually.This page or operation is not available at the moment, because AstroBin is in READ ONLY mode. For more information, please check out our Twitter feed: https://twitter.com/AstroBin_com
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Please note: The following tables are updated every 24 hours.
| Distinct awarded users | Total awarded images | |
|---|---|---|
| Image of the day | ||
| Top picks | ||
| Top pick nominations |
| Image of the day | Top pick | Top pick nominations | Total submitted | |
|---|---|---|---|---|
| Deep sky | ||||
| Solar system | ||||
| Extremely wide field | ||||
| Star trails | ||||
| Northern lights | ||||
| Noctilucent clouds | ||||
| Landscape | ||||
| Artificial satellite |
| 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. | ... |
|---|---|
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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| Status | Missing |
| Started | ... |
| PixInsight job | n/a |
| PixInsight queue size | n/a |
| PixInsight stage | n/a |
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