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Let's see your 1st DSOs


MartinB

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Hi!

First DSO ever, simply putting my canon EOS 1100d on his back looking at the Zenith. 30 s exposure, 1600 ISO, 55 mm, f5,6.

Levels in GIMP. Mirphak at the bottom left

I was impressed how all different colors could come up!

post-27995-0-71974700-1358074865_thumb.j

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My first proper telescope based deep sky image.

Took this on 11th Feb, first clear night in ages.

M42 and Running Man consisting of 14 x 60 sec subs on altair 80mm refractor and field flattener , astronomik light pollution filter

After I went inside I noticed that in my eagerness to get outside I had set the distance between flatter and camera wrong by leaving an extra 20mm extender in play resulting in bad comma (on top of mediocre tracking)

Also the filter made everything blue-green and my processing didn't help

At least I know what not to do next time

post-9935-0-24003500-1358083063_thumb.pn

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My first proper telescope based deep sky image.

Took this on 11th Feb, first clear night in ages.

M42 and Running Man consisting of 14 x 60 sec subs on altair 80mm refractor and field flattener , astronomik light pollution filter

After I went inside I noticed that in my eagerness to get outside I had set the distance between flatter and camera wrong by leaving an extra 20mm extender in play resulting in bad comma (on top of mediocre tracking)

Also the filter made everything blue-green and my processing didn't help

At least I know what not to do next time

I tried again from scratch and managed to get rid of the greenish cast, still not good though

edit - oh dear looks a bit blue and saturated when posted, perhaps best to wait till better weather and try again with better subs

post-9935-0-63151900-1358098618_thumb.pn

Edited by billhinge
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  • 3 weeks later...

On the few occasions in the last 8 months when I've been able to get out and actually set up, I've been (very slowly) trying to get guiding working. Actually got to the point last night when I (gulp) captured some subs. With the usual first target M42 (and most of the southern sky) obliterated by a new zillion lux LED streetlight (thanks Council!), I ended up plumping for The Bubble Nebula. So, just for posterity, here it is:

Bubble Nebula 020213_levels_crop.bmp

16x2min subs in Ha with mono Atik314L+ on ED80 Pro and Atik OAG. ArtemisCCD and processed in Dawn and GIMP. Yes it's noisy, no darks etc, some odd artifacts from processing, but it's start.

Looking forward to my next session now (at this rate about it'll be about June...)

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Wrt to my previous 1st DSO post a few weeks back I got around to reprocessing the 30 subs I had (9x60, 2x30, 5x15,10x5) - this is a crop

unfortunately I don't think I've got the debayering correct as the colour comes out funny, but looking in B&W I'm pleased at the detail for a first attempt

Again, sloppy alignment and comma due to incorrect use of a flattener

post-9935-0-56891000-1360700690_thumb.pn

post-9935-0-31769200-1360700793_thumb.jp

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Wrt to my previous 1st DSO post a few weeks back I got around to reprocessing the 30 subs I had (9x60, 2x30, 5x15,10x5) - this is a crop

unfortunately I don't think I've got the debayering correct as the colour comes out funny, but looking in B&W I'm pleased at the detail for a first attempt

Again, sloppy alignment and comma due to incorrect use of a flattener

Had a final go and changed some of the RGB channels around and a bit of wavlets

post-9935-0-00799700-1360711313_thumb.jp

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My first DSO. Of course M42. Using a C8 (with focal reducer), Losmandy GM-8, Cannon 60D (not modded). Unfortunately couldn't manage anything more than 30 seconds, so had to crank up iso. Having problems, not with polar alignment, but with input voltage to the mount. It seems to give out in RA every so often and image drifts west just slightly enough to give me trails. I was told to try using more amps but stay at 12volts. I have been using 12v and 1amp. But going to try 12v 3amps to see of that fixes my problem. Hopefully it is just a power issue. It's a used gm-8, but everything looks good and sounds good.

This was roughly 12 X 30 sec, @ 3200 iso. Think I used 5 darks.

m42_zps9c7f8d2f.jpg

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cant find the pic but its M45 bunch of 3 minute subs with serious vignetting, trailing and just all around awful but it still made me smile! My second was M45 and that wasn't too bad :p. Every photo since that M45 has improved one by one but I'm still to return to M45! :o will do it this winter

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Some interesting 1st astro-pics here. Here's my oldest surviving pic in Comet Mrkos 1957 via Finetta cam+Ilford HP3 as shown. My first LRGB was M57 in 1996 via Celestron PixCel CCD [=SBIG] posted on Compuserve astro-forum at the time. Hadn't heard of LRGB so called it a "hybrid merge mono+RGB" by overlaying the mono image

to boost a faint RGB image

:cool:

post-21003-0-91726700-1361912437_thumb.j

post-21003-0-62471100-1361912577_thumb.j

post-21003-0-56634900-1361912682_thumb.j

Edited by nytecam
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Some interesting 1st astro-pics here. Here's my oldest surviving pic in Comet Mrkos 1957 via Finetta cam+Ilford HP3 as shown. My first LRGB was M57 in 1996 via Celestron PixCel CCD [=SBIG] posted on Compuserve astro-forum at the time. Hadn't heard of LRGB so called it a "hybrid merge mono+RGB" by overlaying the mono image

to boost a faint RGB image

:cool:ok, you win ;)
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  • 2 weeks later...

Just took possesion of a skywatcher 80mm ED to use on a EQ5 motorised mount and a cannon 500d and took my first shot of teh great orion nebular . I also show one of my best photos of the moon taken through a 127mm cassigrain. Your comments would be gratefully recieved.post-23580-0-82423100-1362688159_thumb.jpost-23580-0-87731600-1362688207_thumb.j

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