Wilmslow Astro

Astronomy from a Cheshire suburb

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m37-081206
 m45_stack2_no-cal_75pct.jpg -    Object:   M45 - Pleiades     Date:   October 5th 2008     Instrument:   SV4 Apo + TV TRF2008 FF     Camera:   QHY8     Exposure:   11 x 10 minutes     Filters:   IDAS LPS     Comments:   The IDAS filter left some bad colour gradients in the image. I discovered afterwards that the camera gain setting was wrong, I have lost about 1/3rd of the sensitivity!   
m13_080607_stack2_proc1_50
m35_080213
ngc869_trf-combine
m13_070519b
m003-stacked2-rgb-50pct

Object:M45 - Pleiades
Date:October 5th 2008
Instrument:SV4 Apo + TV TRF2008 FF
Camera:QHY8
Exposure:11 x 10 minutes
Filters:IDAS LPS
Comments:The IDAS filter left some bad colour gradients in the image. I discovered afterwards that the camera gain setting was wrong, I have lost about 1/3rd of the sensitivity!
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