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Messier 81


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About this observation
Nik Szymanek
Time of observation
15/02/2019 - 13:06
Messier 81
Observing location
Boxted, Essex.
GSO 10" (254mm) RC telescope
QSI 583 wsg CCD camera
Astrodon LRGB and Ha filters
Paramount ME equatorial mount
AP 0.67 focal reducer
300 and 600 second exposures 20 hours total.
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Messier 81

GSO 10" RC telescope and AP 0.67 reducer

 QSI 583wsg CCD camera,

Astrodon LRGB and hydrogen-alpha filters,

Paramount ME equatorial mount

Starlight Xpress Lodestar guider

Lum: 29 x 10m

Red: 20 x 10

Green: 21 x 10m

Blue: 38 x 10m

H-alpha: 25 x 10m

20 hours total exposure

Processed in Maxim DL, Photoshop CC and PixInsight.

Images taken from Boxted, Essex, UK.

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