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Description: Using what is essentially a masking procedure I was able to selectively brighten M31 while leaving the background a smoother and more pleasing black. In addition, by applying a local contrast increase to the centre of the galaxy only I was able to bring out the centre detail without the grain caused by a local contrast increase across the entire image.
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| 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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Submitted The date and time when you submitted this image for IOTD/TP consideration. | ... |
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