| Coordinates/Direction : | RA: 290.427033o, DEC: +43.624771o. Angle calculator |
| Object size : | sensor about 1 x 1 degrees |
| Object magnitude : | - |
| Object : | Area of Cygnus, Lyra and Draco |
| Date : | 2009-08-19 to 2013-04-08 |
| Lens/telescope : | Kepler Space observatory |
| Film/CCD : | Sensor position 41 (from sensor 41, 42, 43, 44), Kepler data, credits: STScI |
| Filter/Wavelength : | 420 to 900 nm |
| Exp. time : | 6.019 x 270 x 44 = 1192 minutes |
| Image process tool : | Fits viewer NASA, HxD, AstroImageJ, Fitswork, Irfanview |
| Processing : | Flat calibrated, Gamma 5 curve |
| Site : | Space |
| Comment : |
This is a median stack of 44 images, almost four years of monthly data.
Not very much different compare with the single image.
Tells us that the noise are already low in the sub image. |
| More to know : |
Wikipedia:
https://en.wikipedia.org/ wiki/Kepler (spacecraft) |
| Comment : |
These scientific grade sensor doesn't have a overflow channel.
Then strong stars electrons overflow follow the columns, cross because the senor are rotated 90 degrees 4 times a year.
Object upper left the galaxy NGC 6792. |
| More to know : |
NGC 6792:
http://simbad.u-strasbg.fr/
NGC 6792:
https://in-the-sky.org/ |
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