Marci
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Everything posted by Marci
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Setting up PlateSolving in Astrophotography Tool (APT)
Marci replied to david_taurus83's topic in Discussions - Software
I use 3.65.5 (beta) without issue. See http://aptforum.com/phpbb/viewtopic.php?f=16&t=2260 for changelogs from 3.65 thru to 3.65.5. Anything above 3.65.1 has the expanded object list... The _next_ release (3.65.6) should feature full INDIgo integration. -
Setting up PlateSolving in Astrophotography Tool (APT)
Marci replied to david_taurus83's topic in Discussions - Software
They've expanded APT with a further 18000 objects in latest betas... just tick the "show expanded object list" checkbox in lower left of the Objects browser pane if you're a paid-up user with access to the beta versions. Without it ticked you'll just get "the usuals". -
*ting* https://wakefieldastronomysociety.co.uk
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Nope - tis the same thing... Photoshop can operate in LAB color space and split into Lightness, A (Magenta/Green), B (Blue/Yellow). Should be under Edit > Convert to Profile > LAB Color (or something like that iirc - word of warning: do this on a finished flattened image, as it'll flatten it automatically as part of the conversion). Usually I do this on a copy of the final component images, to pick up the L layer, and then drop it on top layer back in my regular RGB composite and set layer blending to Luminance.
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From the album: Marci’s Astropix
EOS1000D, SW200PDS, NEQ6... 74mins @ ISO800© aPatchworkBoy.com (aka Marci)
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Sorry - I worded badly... have a look at https://www.overclock.net/forum/62-peltiers-tec/121488-testing-undervolt-tec-air-cooled-3.html#post1319096 The original post they refer to there (which originally contained much more data for a wide range of manufacturers, and the validated test rig etc) over on HardwareAsylum looks to have been lost (altho I’m 90% certain the original thread was actually on procooling.com a few years prior - it _was_ 20yrs ago... my memory gets hazy).
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Insulating all exposed coldplate will also increase efficiency - you'll be losing a good chunk of cooling power to the air. Can improve efficiency further by finding a higher wattage/voltage etc and under powering it - look to PC TEC cooling forum archives for spreadsheets of make/model testing - getting you same wattage but for lower ampage at 12v = same cooling for less power consumption... amp-load saving can be dramatic
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From the album: Marci’s Astropix
1.5hrs exposure on the Eastern Veil 1.5hrs @ ISO800 EOS1000D FSM & Astronomik 12nm Ha Clip Filter Skywatcher 200PDS + NEQ6 Pro -
From the album: Marci’s Astropix
a 2 pane mosaic, mainly as a result of bad polar alignment and a 30min cloud causing loss of guiding and massive drift whilst unattended. Perfect opportunity to practice stitching! 3hrs total exposure @ ISO800 EOS1000D FSM with Astronomik 12nm Ha Clip Skywatcher 200PDS + NEQ6 Pro -
That’s lovely... nice one! -
Setting up a Raspberry Pi for Astro Imaging and Control - Ubuntu Mate
Marci commented on Gina's blog entry in Astro Projects
WiFi setup in what context? I just copy the same wpa-supplicant.conf across to all my Pi’s after install... https://weworkweplay.com/play/automatically-connect-a-raspberry-pi-to-a-wifi-network/ And yes, both INDI and ASCOM documentation on authoring drivers is _utterly_ pants. -
From the album: Marci’s Astropix
Lost my patience trying to process any further than this. Light pollution is such an issue with this camera that it’s a fine line between subs being usable and completely trashed. Astronomik clip-in CLS CCD filter definitely needed. 1.5hrs @ISO800 -
From the album: Marci’s Astropix
An absolute swine to capture with a full-spectrum camera full of pubes & no CLS filter, thus hoovers in Wakefield’s light pollution, hence this is a grayscale image (otherwise the entire thing is tinted in an unremovable orange that swamped out any natural colour). Only an hour of data... 15x 240s @ ISO800D, EOS1000D (modified), Explorer 200PDS -
From the album: Marci’s Astropix
My first foray into astrophotography... Canon EOS 650D, 200s subs @ISO400... no idea what total exposure was. -
From the album: Marci’s Astropix
7x20s@ISO1600 (EOS1000D FSM) with 18-55mm kit lens -
From the album: Marci’s Astropix
15x240s@ISO800 Colour (EOS650D) 15x240s@ISO800 HII (EOS1000D FSM + 12nm HII) -
From the album: Marci’s Astropix
10x360s@ISO400 Ha (EOS1000D FSM + 12nm HII) 15x240s@ISO800 Colour (EOS650D) -
From the album: Marci’s Astropix
2hrs with EOS650D at 18Mp shooting visual colour range (240s subs @ ISO800), 1.5hrs with EOS1000D Full-spectrum-modified (no narrowband filters) at 10Mp (120s subs @ ISO800 as core blows out VERY easily in full spectrum). 5x dark frames and 20x bias frames for the EOS1000D session. No flats. Stacked in DSS 64bit with 2x drizzle, processed in Photoshop CC 2018 (very little needed doing to it to be honest, just pull the saturation up a bit to bring the colour out). This is a heavy crop hence the apparent low resolution of the final image. This was the last outing for the EOS650D before I killed it, hence no darks / bias applied to the subs from that camera - it died in process of taking it off mount to shoot darks etc whilst I packed everything else away.© M Coyles
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APT and BYE are just different flavours of imaging control software with pretty much similar feature-set. Both link to PHD2 for guiding.
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- star adventurer
- guiding
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Can’t help with BYE and PHD2 - I use APT, which just sees it and connects to it and dithers. Presume BYE will do the same if PHD2 is running before BYE is launched. If you’re using ST4 from camera to mount, just select "On Camera" as the mount. Ignore aux mount. ST4 is a standardised protocol that isn’t dependant on mount-specific drivers. Disabling Dec: https://openphdguiding.org/man-dev/Advanced_settings.htm#Algorithms_Tab and set Declination dropdown to 'none'.
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A typical night in the back garden... Shed's set up as a warm room. Those are 40' conifers (dark ones) completely obscuring north, and more obscuring NW (the lighter ones to the right) - I learnt to drift align early on in my Astro adventures...
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And that’s why I use Jessie LITE, not Jessie. With Jessie LITE, everything works as per above (still). And I never got the encoders hooked up - blew them all up... not had chance to get back to it since.
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Thoughts on which imaging rigs to concentrate on
Marci replied to Gina's topic in Imaging - Discussion
I had similar issues - had to introduce a 4.5 multiplier into the code, so when driver sends 10000, the stepper moves 45000, which is required for full range of travel in my case. -
Thoughts on which imaging rigs to concentrate on
Marci replied to Gina's topic in Imaging - Discussion
To enable ssh on clean install of Raspbian lite, see https://dirtyastro.com/2016/12/10/project-retrofitted-goto-dob-pt3/
