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Thank you @ONIKKINEN. That's excellent advice. I shot the image last night and I think it was at 36deg maximum and yes the session spanned the horse head crossing the meridian. Camera was an ASI585MC, so yes an OSC. I hadn't really spotted the opposite red half halos until you pointed it out but all makes sense. I will try both your suggestions and let you know how I get on. Thanks again for taking the time to help me ๐
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vernmid started following Skywatcher AZ GTI mount owners thread , Semicircular Blue halos , Geminids last night and 1 other
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Hi all, I noticed these semicircular blue halos on the bright stars. This image was taken on an Evoguide 50ED. They are all on the same side. Is it chromatic aberration? Is there something that can be done to reduce it either in set-up or processing? Or am I expecting too much from such a cheap OTA? Many thanks Vern
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ZWO/Player One IMX 585 Sensor Image Showcase
vernmid replied to Chris's topic in Discussions - Cameras
Rosette Nebula from last night Imaged with ASI585MC on Evoguide 50ED and AZ GTI 100x180s lights. All got pretty frosty ๐ฅถ Pleased with this one from such a small rig -
Geminids last night
vernmid replied to Tomatobro's topic in Imaging - Widefield, Special Events and Comets
Yes it was! I think there may have been one more! -
Geminids last night
vernmid replied to Tomatobro's topic in Imaging - Widefield, Special Events and Comets
Thanks @Tomatobro That looks really interesting ๐ -
Geminids last night
vernmid replied to Tomatobro's topic in Imaging - Widefield, Special Events and Comets
@Tomatobro Please could you tell me what you mean by the UKMON capture stack? Its a very impressive image ๐ -
Geminids last night
vernmid replied to Tomatobro's topic in Imaging - Widefield, Special Events and Comets
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+1 for Telescopiusโบ๏ธ
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ZWO/Player One IMX 585 Sensor Image Showcase
vernmid replied to Chris's topic in Discussions - Cameras
Hi Terry, The above were from a Bottle 4. So pretty low light pollution. M33 was very high in the sky so out of the glowing lights of Southampton docks about 10 miles to the South! Cheers Vern -
Skywatcher explorer 200 and Eq5 mount
vernmid replied to reddish75's topic in Getting Started Equipment Help and Advice
Looks like the counterweight bar and weights are missing too. Still looks like a a bargain though ๐ -
ZWO/Player One IMX 585 Sensor Image Showcase
vernmid replied to Chris's topic in Discussions - Cameras
Hi all, Been having some fun with the ASI585MC, Evoguide 50ED and AZ GTI portable setup. Guiding with PHD2 Zwo mini guide scope and ASI120MM-S. Managed to collect this data last night M33 90 x 120s subs NGC7000 30 x 120s subs + 10 x darks, 20 x bias and 20 x flats and a quick and dirty process in Siril. I will reprocess later but I was eager to have a quick look ๐ Quite pleased with these for a first night out with all this kit! Also first time using Siril! AZ GTI managed to achieve 1.5 arcsecond RMS which I was amazed ay ๐ Just shows that the ASI585MC is actually quite capable for DSOs Cheers Vern- 331 replies
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Welcome Chris from just over the border in Hampshire (also cloudy)
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My first ever deep sky image, Andromeda.
vernmid replied to LaurenceT's topic in Imaging - Discussion
@LaurenceT That's a fabulous first image. Well done you ๐ -
This looks very interesting. I am hoping to try and replicate your findings with a slightly different cooler setup and will happily share my results here. I'd never heard of smartphone coolers until reading this thread โบ๏ธ
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At the risk of being cheeky, I have a Canon 1100 astro modifed by Juan at Cheap astrophotography. It has served me well for a couple of years but I am about to sell it on. It will definitely be less that ยฃ250 ๐ Let me know if you are interested. Once again, apologies for being bold!