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Astronomy, Computers, Photography.
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Padiham UK
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I went out last night and setup my gear only to find out my Skywatcher 17AH powertank was dead as a dodo. Apparently I'd accidentally left it switched on and the battery was completely drained. Once I'd stopped cursing and packed up my gear, I tried charging it but the red charging light only came on for a second and went out with an audible click. After many attempts I got it to start charging, however, the green light says it's fully charged and the red charging light only stays on for a few minutes. I hooked it up to my mount after several hours and it powered my Synscan handset, but would not allow me to slew the mount. I have checked the output voltage using my meter and it's showing just over 13 volts output. Is the Power tank beyond repair or should I keep on trying to charge it for a couple of days?
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HowardHopkinson changed their profile photo
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Andromeda Galaxy2.jpg
HowardHopkinson commented on HowardHopkinson's gallery image in Member's Album
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Sigma 150-600mm for Deep Sky Widefield ?
HowardHopkinson replied to smr's topic in Getting Started With Imaging
Though I haven't used the exact lens you're thinking of buying, I have used a Sigma 120-400 mm F4.5-5.6 zoom lens with a Canon 60D APS-C camera and gotten some pretty useful results. See below for an example image. -
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The Sun taken through my solar filter this morning 22/6/18 at 11.30am. After a couple of weeks with no sunspots visible due to the solar minimum, it's nice to see a couple of sunspot groups. The central group is designated as 2115 and the group upper right is designated as 2013. This is a stack of 28 images stacked in Sequator and processed in Photoshop.
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The EQ3 DSO Challenge
HowardHopkinson replied to Stub Mandrel's topic in Getting Started With Imaging
I have the EQ3 Pro Synscan mount on the lightweight tripod. With my ES ED80 and my Canon 60D, I haven't noticed any issues thus far. Obviously, the HEQ5 will be more stable and able to take a significantly greater weight. However, portability was of primary concern to me and that's why I went with the EQ3 pro. -
The EQ3 DSO Challenge
HowardHopkinson replied to Stub Mandrel's topic in Getting Started With Imaging
My EQ3 submission is the Elephant's Trunk nebula. Shot using my ES ED80 triplet APO and my Canon 60D 69x90sec light frames 29x dark frames 25x flat frames 50x bias frames Stacked in DSS and processed in PS. -