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Everything posted by fwm891
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First light with a StellaLyra 6 inch RC
fwm891 posted a topic in Discussions - Scopes / Whole setups
Firstly collimation is a touch off but close. Images taken with a Nikon D5100 mono modified DSLR mounted on an unguided CEM25P. No filters used. Processing in PI: Star alignment, Imiage Integration, Histogram Transform, Curves Transform, STF and Image Crop to remove the boundary. Sub frames: Taken @ 800 or 1600 iso, uncooled body, all subs 30s taken using a 5 second delay before each sub manually operated shutter (couldn't find the intervalometer) Sub details in the file names. Moon above the horizon throughout. Variable high level cloud- 7 replies
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Ordered yesterday delivered today great service FLO. One problem there were a few more clouds (and lots of wet stuff) in the box than expected...
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Really basic question about guide scopes.
fwm891 replied to SmokeyJoe's topic in Getting Started With Imaging
I use a 9x 50 guide scope with an ASi120MM, not with an EQ5 but with a CEM25P it just works. The 50mm aperture will give brighter guide stars than a smaller aperture. Like most things in astronomy - size matters... -
Well watching the thin clouds on the PHD guiding screen hurtle past I thought it was not worth starting. I've just got a mains supplied dummy battery for my Nikon D5100 and wanted to try it out so, s*d the clouds, I mounted the camera on my W.O. ZS 73+73A flttener with a Baader 7nm H/Alpha filter set up the CEM25P and went for it. Following are all monochrome (camera modified with bayer matrix filter removed) 8 or 9 180s subs at 1250 iso. Processed in PI. Thanks for looking
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Hi, Anyone of you learned people using an ASi183GT cooled mono camera with the built-in filter wheel? Like to know what people think of the unit please Thanks
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Riser needed for HEQ5-Pro and a WO Zenithstar 73 II?
fwm891 replied to _Belial's topic in Getting Started With Imaging
+1 for tube rotation I rotate 90° with my 73 -
From the album: Francis-Astro images
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Raining today so it's given me some time to look back at this image of LDN1251. My original processing left it too dark (even for an LDN!) so I'ce attacked it again. 21x 300s subs, ASi533MC Pro OSC camera (-12°C), RASA-8 OTA on an iOptron CEM60 mount. Original and revised processing in PI. Thanks for looking
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Superb Peter, great tonal and colour range right across the frame. Masterful imaging.
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From the album: Francis-Astro images
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This image was captured on the 20-09-2020. Comprising 12x 300s subs. Processed in PI. Darks applied, no flats or bias frames used. Camera (ASi533MC Pro) set to unity gain and -12°C.
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From the album: Francis-Astro images
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Another foray into the world of LDN's for me. LDN1251 captured using a RASA-8 and ASi533 MC Pro and a Baader UV/IR cut filter. Processed in PI with a tweak in PS at the end. There are 20x 300second subs in the image but like the LDN1235 it is going to need three times that number to get a more subtle image out of this. Hope it's clear at around next new moon... TBC.
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Sequence Generator Pro - still value for money?
fwm891 replied to PhotoGav's topic in Discussions - Software
I use SG Pro a lot so for me there was no issue with subscribing ($59/year). It's $149 if you upgrading from version 2 or a new user. At approx £1 a week it's worth it. APP, Maxim and others are all subscription based. If you currently have SGPro you can carry on using it, you just don't qualify for updates. I'm sure in time NINA and other free softwares will need to make charges so their developers can eat! -
From the album: Francis-Astro images
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I think this is the final data collection: 60x 300s subs, final set captured last night (20-09-2020). Scope: RASA-8 Camera: ASi533MC Pro (cooled to -12°C) Unity gain. Mount: iOptron CEM60 Captured via: SG Pro and PHD2 for guiding Processing: PixInsight. Cosmetic Correction, Debayer, Star align, Integration, Histogram Transform, Curves Transform, Saturation, SCNR, luminance mask applied, TGV Denoise (very light application). Multiple light applications in various orders Thanks for looking
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From the album: Francis-Astro images
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Managed to get a few more subs last night before clouds moved in. I've tried to process a little more neutrally as well the original a little too warm. Uncrpped, no noise reduction routines (for the pixel peepers). Hope you like..
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Initially I though this was too close to the pole for me to see due to buildings but turns out it just clears the neighbours house roof so I spent a while on it last night. As always needs more subs. Just the head end shot and processed in PI and PS. Looks like Sat/Sun will be the next chance for more data. No calibration frames yet. Thanks for looking RASA 8, ASi533 (unity), CEM60, Baader UV/IR cut filter.
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The Shark Nebula withat RASA 8 - finally good seeing
fwm891 replied to gorann's topic in Imaging - Deep Sky
thanks @tooth_dr sadly it's in an area of sky I cant access due to buildings 😧 -
The Shark Nebula withat RASA 8 - finally good seeing
fwm891 replied to gorann's topic in Imaging - Deep Sky
Hi Gorann @gorann great image but what is it? NGC, IC, SH# ? pet hate of mine that images are posted without being labelled ... -
From the album: Francis-Astro images
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From the album: Francis-Astro images
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From the album: Francis-Astro images
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The OTA was the Altair Astro 115 EDT-APO refractor, mounted on an iOptron CEM60. 3 images taken with the same kit over the last two nights. 18 - 25 x 300s subs each