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M81

m81_01282004_new_present.jpg

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This image © Copyright 2018, Michael Fulbright

Another first light for my TEC APO 140 refractor. Seemed to have some problems with my biases and flats I haven't tracked down. Light pollution really was a problem too (I had 29,000 counts in the background in my 10 minute exposures). Good part is I was able to guide for 10+ minutes using a Toucam webcam with the new Maxim DL/CCD DirectShow driver.


Date: 01/28/2004
Telescope: TEC APO 140 @ f/7 (980mm)
Mount: MI-250
Camera: SXV-H9
Exposure: L:150 minutes (10 minute exposures)