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By Padraic M
How can I set up APT so that it always connects by default to my imaging camera? I have an irritating problem that APT will regularly connect to my guide camera, even though that camera is already connected in Phd2.
I have created two APT shortcuts on the desktop, one specifying camera 2 (which usually is the guidecam) and the other specifying camera 1 (which is usually the imaging camera), but it looks like cameras 1 and 2 are not absolutely assigned to the ASI1600mm (imaging) and ASI290MC (guiding).
At APT startup, in the log it will say 'Connected to ASI1600mm' and then imediately say 'sensor size 5.6mmx3.2mm'. Then I know I have a problem as it's obviously not the 1600! I can usually sort it out by disconnecting, Shift-Connecting (to get the camera selection dialog), and selecting cameras 1 and 2 until I get the correct sensor size.
There must be a better way?
So I had a free day yesterday and decided to sort out my equipment and update my astro laptop software packages. I downloaded the latest Stellarium and managed to get it to sync with APT. I installed my Xmas present from my sweetheart (Optolong L-eNhance filter) how did she know it's what I wanted??? I recently installed the free trial version of Pixinsight on my main laptop so after watching a few YouTube videos decided to get some Dark and Bias frames to create some masters ready for my next session.
The weather was good yesterday and it stayed clear here as the sun started to set, so I set everything up outside hoping the apps were wrong and it wouldn't get cloudy. As it got darker I launched Sharpcap and completed a polar allingment, I used Stellarium and APT to slew to Vega and checked the focus was good. I then used Goto++ in APT to slew to NGC 7380 (Wizard Nebula), I set PHD2 off guiding and then I had my first issue; my laptop would not connect to my Lyn Astro dew controller so I manually set the temperature to quite low as it wasn't too damp at that time. So I started capturing 5 minute subs went inside and remoted into my astro laptop from my main laptop to check how it was going, all appeared good.
I recently set up a Rpi NAS at home so I'm able to transfer data to it and then to my other laptop on the go, so after I'd got a few subs I opened them in PI to check the quality, they looked ok to me. after about an hour PHD2 started binging a lost star warning so I went outside and the clouds were starting to cover the sky, I then took loads of flat frames using my main laptop, Notepad and 3 sheets of white paper and decided to take some more darks in case it cleared. I then set about trying to process the 9 subs I'd managed to capture with the 200 flat frames the master bias and dark frames I'd created earlier. Despite the lack of subs I'm quite pleased with the result, I have done a quick Histogram stretch, and the knowledge I have gained, I'm definately going to purchase PI when I can afford it.
So this morning I thought I'd sort out the issue with the connection to the Lynx Astro dew controller, you won't believe it, my Astro Laptop will not turn on, it's been playing up for a while I suspect the battery has died. So just when I thought I was getting on top of this frustrating hobby I get another spanner in the works. So do I gamble and order a new battery then discover it is the laptop that has failed, do I set up another old laptop I have and hope it will be ok, do I set up my Rpi3 with Indigo or do I buy a mini PC as I know my way around windows?
Anyway here's the calibrated stacked image as it is in PI with a quick stretch.
Having upgraded from canon 1000D to Nikon D5300 how do users of the 5300 find it for Astro I will be using with APT , and how do you take flats as I can’t use Av mode as there is nothing in tools menu to choose no lens , do you use in manual mode and look at histogram ? .