Wednesday, July 5, 2017

ETX 90 OTA Test 7/1/17

Despite very poor seeing, I decided to put the 90 OTA through its paces. The results are not bad--I'd like to try in better seeing.  Here is the moon, taken with the 90, a EQ Pro mount, a Mallincam DS 2.3+ camera and a 2x Barlow:


Although it was like looking through choppy water, this image still has some fairly good detail. Jupiter, however, was a different story:


Here's a crop:


Not much detail is visible, but stars directly overhead were scintillating wildly and the planet was caught in thermals above a neighbor's roof. I'm hoping to try again next week in Michigan where I may be able to image through laminar airflow off the lake.




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