Celestron EdgeHD 8 inch OTA

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Re: Celestron EdgeHD 8 inch OTA

Postby Carl-Ericsson » Sat Jun 23, 2018 10:07 pm

I've been using my scope more than my absence here would indicate! But, I'm only making slow progress with things. However, a few nights ago I made my first astrophotography attempts with the 8 inch SCT. I only did some solar system objects... the Moon, Mars, Jupiter, and Saturn. My tests seem to have come out fairly well, though focusing is difficult. I don't have any electronic focusing for my SCT yet, so I can't control the focus while using my desktop computer, as I can with my 4 inch refractor. Eventually, I'll get something set up for my SCT. Here are my results from Tuesday night, late June 19 and early June 20. As you can see, I did not achieve really great focus for my Saturn photo. And, the Mars photo I'm just not sure of... I've heard that the big dust storm on Mars is "planet wide" now... but, I'm not sure that it is as blank a disc as my photo shows. It is probably a little out of focus, but not by much. Anyway, I'm including the Saturn and Mars photos here, just to demonstrate the difficulty in achieving good focus that I am experiencing using just the "factory" mirror-moving focuser, and the view screen on the back of my Canon EOS 1100D camera.

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Re: Celestron EdgeHD 8 inch OTA

Postby carastro » Sat Jun 23, 2018 10:25 pm

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Re: Celestron EdgeHD 8 inch OTA

Postby Carl-Ericsson » Sat Jun 23, 2018 10:30 pm

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Re: Celestron EdgeHD 8 inch OTA

Postby Carl-Ericsson » Sat Jun 23, 2018 10:31 pm

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Re: Celestron EdgeHD 8 inch OTA

Postby carastro » Sun Jun 24, 2018 9:14 am

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Re: Celestron EdgeHD 8 inch OTA

Postby galileo » Sun Jun 24, 2018 9:36 pm

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Re: Celestron EdgeHD 8 inch OTA

Postby Carl-Ericsson » Sat Sep 29, 2018 10:52 pm

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Re: Celestron EdgeHD 8 inch OTA

Postby galileo » Sun Sep 30, 2018 8:45 am

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Re: Celestron EdgeHD 8 inch OTA

Postby Bill_P » Sun Sep 30, 2018 11:18 am

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Re: Celestron EdgeHD 8 inch OTA

Postby carastro » Mon Oct 01, 2018 8:54 am

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