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Astronomy & Near Earth Phenomena

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First Image from Telescope
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Offline DaveMorton Topic starter
United States WWW Global Moderator
Posts: 3413
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Comfort the Disturbed! Disturb the Comfortable!

Well, I was finally able to get the telescope/camera to produce an image that's at least nominally recognizable. It's not much, and needs a lot of work, but at least it's a start.

You can just make out 4 of Jupiter's moons there (the 4th is barely visible, to the lower right). While not visible in the image, Io is making it's way across Jupiter's disk, in a transit. I was really hoping to be able to capture that particular detail, but I'm afraid I don't have the magnification to do so, yet. But I have more lenses/other kit on the way, so maybe next time. Smiley



Jupiter_First_attempt.jpg
First Image from Telescope
* Jupiter_First_attempt.jpg (46.73 KB, 752x582 - viewed 365 times.)
Posted April 21, 2013, 10:02:22 AM Logged
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Offline Data
United Kingdom Administrator
Posts: 7897
Rank: Certified

Im glad to see you got it working and managed to grab a pic for us.

Looks good to me for the first attempt.

Nicely done and thanks  thumbsup
Posted April 21, 2013, 11:21:59 AM
Last Edit: April 21, 2013, 14:40:37 PM by Data
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Offline Freddy
United Kingdom WWW Administrator
Posts: 5633
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Nice  thumbsup
Posted April 21, 2013, 11:48:51 AM Logged

Offline GT40
France WWW Posts: 494
Rank: Knight


Nothing to say but "Great!"  Cool

Posted April 21, 2013, 14:16:56 PM Logged

Offline Snowcrash
England Global Moderator
Posts: 2169
Rank: Certified

Do you do a dark shot first and then subtract that from your actual shot?

I have done this with modified webcams and a handy black bin liner to go over the 'scopes front end.

This generally gives better contrast so those faint dots come out better. It also cuts down any (constant) noise from the CCD. Only rule is if you main exposure is 2 secs then make your dark shot 2 secs also.
Posted April 21, 2013, 14:39:25 PM Logged
“I cannot remember the books I've read any more than the meals I have eaten; even so, they have made me.”

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Offline Snowcrash
England Global Moderator
Posts: 2169
Rank: Certified

This is what Pete (my friend with the 8" Meade) managed to get out of his 'scope looking at Jupiter.
This is from a heavily light polluted town, using an image stacker from a video (webcam).
I'm impressed.
He uses 'Astro Stack' for video for webcams and 'Deep Sky Stacker' for DSLR stills. He uses a Cannon D60 (I think) not sure of the webcam but it appears to be one of these.

I noticed your 'scope has a fair amount of weights to balance it. An 'S' meat hook and dumbbell weights are a handy counter balance for the camera if needed.
Posted April 21, 2013, 20:25:57 PM Logged
“I cannot remember the books I've read any more than the meals I have eaten; even so, they have made me.”

Ralph Waldo Emerson
Astronomy & Near Earth Phenomena
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