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Aenima
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Content Count
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Joined
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Days Won
2
Everything posted by Aenima
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From the album: CCD venture
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- ic410
- tadpolenebula
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Finally got my grubby mitts on a CCD camera - and the 'old but new-to-me' atik 16HR is giving some good results. Teaching myself basic narrowband imaging/processing techniques. NGC6888 Crescent ne bu.tif
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From the album: CCD venture
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From the album: CCD venture
A h-alpha shot of the pelican nebula bi colour ED80 - ATK16HR - Ha clip filter - EQ6 - finderguider 9x50mm PhD2 - photoshop - DSS. -
From the album: CCD venture
A h-alpha and OIII shot of the elephant trunk nebula bi colour ED80 - ATK16HR - Ha clip filter - EQ6 - finderguider 9x50mm PhD2 - photoshop - DSS.© 2016JayBird
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From the album: CCD venture
A h-alpha and OIII shot of the crescent nebula bi colour ED80 - ATK16HR - Ha clip filter - EQ6 - finderguider 9x50mm PhD2 - photoshop - DSS. -
From the album: CCD venture
A h-alpha and OIII shot of the pacman nebula bi colour Processed to resemble the hubble palette colour scheme. ED80 - ATK16HR - Ha clip filter - EQ6 - finderguider 9x50mm PhD2 - photoshop - DSS. -
From the album: CCD venture
A h-alpha and OIII shot of the bubble nebula bi colour Processed to resemble the hubble palette colour scheme. ED80 - ATK16HR - Ha clip filter - EQ6 - finderguider 9x50mm PhD2 - photoshop - DSS. -
From the album: CCD venture
A h-alpha and OIII shot of the Wall section of NGC7000 aka north america nebula. Processed to resemble the hubble palette colour scheme. ED80 - ATK16HR - Ha clip filter - EQ6 - finderguider 9x50mm PhD2 - photoshop - DSS. -
From the album: CCD venture
A h-alpha and OIII shot of the Wizard nebula NGC7380. Processed to resemble the hubble palette colour scheme. ED80 - ATK16HR - Ha clip filter - EQ6 - finderguider 9x50mm PhD2 - photoshop - DSS. -
From the album: CCD venture
A h-alpha and OIII shot of the Wall section of NGC7000 aka north america nebula. Processed to resemble the hubble palette colour scheme. ED80 - ATK16HR - Ha clip filter - EQ6 - finderguider 9x50mm PhD2 - photoshop - DSS. -
From the album: CCD venture
A h-alpha shot of the Wall section of NGC7000 aka north america nebula. ED80 - ATK16HR - Ha clip filter - EQ6 - finderguider 9x50mm PhD2 - photoshop - DSS. -
From the album: CCD venture
A h-alpha shot of the pelican nebula in Cygnus. 2 x panel mosaic. 10 min subs. 9 x 10m + 9x10m stacks stitched together in ms ICE. ED80 - ATK16HR - Ha clip filter - EQ6 - finderguider 9x50mm PhD2 - photoshop - DSS. -
From the album: CCD venture
A h-alpha shot of the Wizard nebula in Cepheus. ED80 - ATK16HR - Ha clip filter - EQ6 - finderguider 9x50mm PhD2 - photoshop - DSS. -
From the album: CCD venture
A h-alpha shot of the Wall section of NGC7000 aka north america nebula. ED80 - ATK16HR - Ha clip filter - EQ6 - finderguider 9x50mm PhD2 - photoshop - DSS.© 2016JayBird
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Yeah, i have read quite a number of reports online of persistent halo's with the baader AND astronomik after the apparent time period where they recalled products and resolved the problem. Anyhow, i bought the baader 2" OIII 8.5 and it seems to be almost halo-free - i've noticed one or two larger brighter stars with mild halo (see image). the bright star near the center top shows what might be a halo - (its only in the OIII subs) I do have an old CCD - a meade DSI with the grid passive cooling on the back. But also i have been using my filter-removed 350D with some success doing narrowband imaging, mostly Ha and OIII as i've yet to get a SII filter. Here are some examples from the 350D and astronomik 12nm ha clip and skywatcher visual OIII filters (ED80 scope) They aren't CCD quality but I personally like them enough to think it IS worth trying with a DSLR Thank you for the replies to the original post.
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Yeah, i'm definitely liking the baader OIII - they look good on paper, and plenty of decent images around. Thanks for your feedback,
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Hi there, I'm hoping to buy an OIII filter for astro-imaging and i've read a lot of halo related posts and am unsure which to go for. Are the Baader OIII now halo-free? it sounds like OIII are notorious in general for halos and i want to be reasonably sure before i hand any money over. My astronomik ha 1.25" shows bad haloes, but the clip version doesn't although that one is newer. Will the astronomik OIII clip be halo-free? I am unable to reach the budget necessary for Astrodon, so i'm thinking the next best will be either Baader or Astronomik, is this pretty accurate or am i missing a manufacturer? Many thanks for any assistance in advance!
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Was looking for info on a decent OIII filter for imaging and found this thread - the title says oiii for imaging, but seems mostly related to DSLR so i thought i'd post my own results using a DSLR for narrowband. As a rough idea to anyone thinking of doing it. Here is a Ha + OIII bi-colour image of the VEIL NEBULA taken with an ED80 and a modded 350D (filter removed, not mono though) using astronomik 12nm h-alpha clip, and a cheap skywatcher visual OIII 2" filter. and a h-alpha only mosaic of the north america nebula - 2 panes, with just the red channel extracted, using ED80/350D astronomik ha clip. and a mix of OSC RGB data from the 350D and a h-alpha stacked and layered as luminosity in photoshop to add contrast and improve detail. Rosette and Bubble nebula.
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Got these crater shots a few weeks before that, quite pleased with the detail despite the soft appearance from mediocre seeing conditions. If i recall rightly it was using a 5xpowermate as well which pushed the scope past its useful limit. I could be wrong and it was just my 3 x barlow. So dont quote me on it - i did however manage to get a useable image that way at one point, so its always worth trying if the conditions allow. 3rd crater.tif
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Thank you Putaendo Patrick. Yeah, the good kinda outweighs the bad i always find in astronomy, its worth the hassle when it all comes together one night and you get an image you are happy with.
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Well i reckon it looks amazing, even without the star shrinkage Really lovely image Graem, well done.
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Found an old (apparently USA model) celestron C8 SCT a while back, its a bit hit n miss with collimation and the optics - (some very strange star test shapes :P) but when it works it works well Here is a couple images from a couple months back. Thanks for looking. This particular night seeing was reasonably good, and collimation wasn't too bad either. Celestron C8 / ASI120MC / 2X barlow - captured in sharpcap2, stacked in autostakkert!2, wavelets in registax6
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- jupiter
- astrophotography
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Definitely yeah, the seeing and other issues all get magnified as well. You'll find that has a great deal of influence over how well you can view planets or image them - along with collimation and quality of optics, the astronomical seeing is what determines the amount of detail in an image of a planet, and i think of the view in the eyepiece as well. Sometimes when the seeing is bad, you might end up getting a better view with less magnification for the same reason, and with smaller scopes - aperture in particular - too much power will have a negative effect if you push past the max. useful magnification.
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Yes, a barlow will increase the focal length of your scope - visually or photographically - effectively raising magnification and making the object look bigger, or appear bigger onscreen (if using a camera).
