Image recorded at 16 Apr 2021 - 22:00
![](/api/files/content/20210416_220000_cb8e1d0df3e9.png/20210416220000_cambridge-east-0_frame_BS1.png)
Observation type
A long exposure image
Observatory
Time
16 Apr 2021 - 22:00
Image type
Image with light pollution removed. This image has been processed to attempt to remove light pollution.
Display options
Other files associated with this event
![](/api/thumbnail/20210416_220000_4394256d2fb3.png/20210416220000_cambridge-east-0_frame_BS0.png)
Original image
This is the original image recorded by the camera, with no post-processing.
![](/api/thumbnail/20210416_220000_cb8e1d0df3e9.png/20210416220000_cambridge-east-0_frame_BS1.png)
Image with light pollution removed
This image has been processed to attempt to remove light pollution.
Metadata about this image
Property | Value |
Observatory ID | cambridge-east-0 |
Unix timestamp | 1618610400.50 |
Pi-gazing type | pigazing:timelapse/backgroundSubtracted |
Width of frame | 720.00 |
Height of frame | 576.00 |
Noise level of input frames (0-255) | 13.15 |
Noise level of stacked image (0-255) | 2.81 |
Multiplicative gain applied to image | 8.27 |
Number of frames spanned | 1498.00 |
Right ascension of Sun (hr) | 1.68 |
Declination of Sun (deg) | 10.45 |
Altitude of Sun (sec) | -22.32 |
Azimuth of Sun (sec) | -31.84 |
Sky clarity estimate | 930.00 |
Metadata about this observation
Property | Value |
Sky clarity estimate | 930.00 |
Orientation: Central RA (hr) | 9.11 |
Orientation: Central dec (deg) | 38.99 |
Orientation: Positional angle of field (deg) | 56.61 |
Orientation: Altitude above horizon (deg) | 60.43 |
Orientation: Azimuth east of north (deg) | -101.32 |
Orientation: Tilt of camera, clockwise from vertical (deg) | -6.17 |
Orientation: Calculated horizontal FoV (deg) | 78.26 |
Orientation: Calculated vertical FoV (deg) | 61.46 |
Orientation: Fit quality | [1.2034549028069543, 25] |
Orientation: Fit quality to daily average | [1.8832908771639796, 25] |