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: M51 - The Whirlpool Galaxy, also known as Messier 51 and NGC 5194, is an interacting grand-design spiral galaxy with a Seyfert 2 active galactic nucleus. It lies in the constellation Canes Venatici, and was the first galaxy to be classified as a spiral galaxy. Its distance is estimated to be 31 million light-years away from Earth. Feb 2021, CFF-185 APO & ASI 6200 MC camera + TEC-140 & SBIG STL 11000 Camera. 69 x 300 Sec. Location: “Eye in the Sky” Telescope hosting, Raspay, Spain. (c) Andre van Zegveld, febr 2021
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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 |
| 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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