jjongmans
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Posts posted by jjongmans
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I spent two night on M100 and NGC4312. The Moon rose late so I had a nice black sky. The second night there were some clouds, so I rejected some frames. FWHM was between 2.28" and 3.18".
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Can you please discuss the experience of accurately polar aligning; what steps you take, and how long it actually takes to perform each operation?
1. Place tripod or pier with bubble level (2 min.)
2. Place DDM60 on tripod/pier (< 1 min.)
3. Place counterweightbar, counterweights, OTA (5 min.)
4. Connect DDM60 to PC and start Autoslew (< 1 min.)
5. Point built-in laser at Polaris (2 min.)
6. Balance setup with help of Balancing Tool in Autoslew (5 min.)
7. Tune PID parameters, use the autotune feature in Autoslew (3 min.)
8. Use Sequence to create a 3-star pointing model (automated) to fine tune the polar alignment. (5 min)
9. Polar alignment routine; Autoslew will move star from center position, recenter with bolts, if you do this a couple of times (step 8 and 9) PA will be spot on. (5 min)
--- time spent a half hour ---
10. Create all-sky pointing model with Sequence (automated) or declination model (MLTP), both automated. MLTP is best for mobile setups IMO.
11. Start imaging session, unguided
You'll get faster every time...
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Cederblad 214 1-oct, 2-oct
5x 1min RGB (stars)
14x 20min 3nm Ha
14x 20min 3nm OIII
13x 20min 3nm SII
ASA DDM60, 10" RC, QSI 683wsg-8, Lodestar
CCDAutoPilot, Maxim DL, FocusMax, Autoslew
More details: link
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I did some noise reduction in the low SNR dust regions:
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The nights are very short this time of year, so I spent five nights gathering data of this nebula to get the brown color. It wasn't easy under a SQM 19.14-19.55 sky. Seeing was between 1.97" and 2.84".
More details on my website.
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Spend two full nights on this nebula. Acquisition fully automated with CCDAutoPilot, Maxim DL and FocusMax. Seeing was from 2.04" - 2.86" FWHM.
Focal length : 1381.83 mm
Focal ratio : f/5.44
Image resolution : 0.806 arcsec/pixel
Sky quality : 19.52 mag/arcsecond2
Sensor temperature : -25°C
6 hours, 36 minutes total exposure time
6x 120 sec. RGB unbinned
6x 1200 sec. 3nm hydrogen-a unbinned
6x 1200 sec. 3nm oxygen-III unbinned
6x 1200 sec. 3nm sulfur-II unbinned
Telescope : Robtics 10" 2000mm f/8 Ritchey Chretien, reduced.
Mount : ASA DDM60 Pro
Camera : QSI 683wsg-8
Guidecamera : Starlight Xpress Lodestar
More info on my website.
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Solved: I had to run ACP as admin....
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This is the error in ACP when clicking on the properties button in the ASCOM Telescope Chooser:
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ASCOM v6 SP1
Windows8 .NET v4.5
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I'm looking into ACP for automating my setup. I already tried CCDC and CCDAP with success, but I'm not able to select Autoslew in ACP.
Autoslew is running
ACP is started
I select Telescope > Setup...
The ASCOM Telescope Chooser pops up
I select Astrooptik Server Telescope
I click on Properties and then an error pops up: Failed to load driver "AstrooptikServer.Telescope"
I haven't got a clue what's going on. All other software can connect with AS without problems...
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Beautiful images!
I developed my own SQM monitor at my home location: http://jeffreyjongmans.nl/weather.php It shows sky darkness over the last 24-hours and best value.
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I'll take the honor of posting the first topic in the deepsky imaging section
NGC4725 NGC4712 and NGC4747 with a DDM60 Pro, 10" RC and QSI 683wsg-8
Upgrading to a new PC - Autoslew data and settings to move to new PC
in Software
Posted
And? How did it go?
I'm facing the same problem. I need to do a clean install of Windows, because of some problems with ACP (it's ridiculous I know), so I need a way to backup all the AutoSlew settings and restore them on a new install...