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Conditions have been very poor down in Sydney for the last month (rain, clouds or 'darn' moon every night ) so no new images but at least I have plenty of time for lots of reprocessing ... This one was captured back at the beginning of the year and I'm still playing with it. Here I have been trying to get to grips with the HDR composition function in PixInsight. It is built up from four sets of around 20 images each at 4sec, 8sec, 30sec and 120sec all at ISO800 with my unmodified Nikon D5300. And this is the previous attempt. I think I prefer the composition, colours and contrast of the new version.
A new target for me - the Running Chicken Nebula sits about halfway between the Southern Cross and the Eta Carina Nebula. IC2948 Running Chicken Nebula in Centaurus ( bright star is Lambda Cenauri) (RA 11h 39.6m - Dec -63deg 37.2'). Skywatcher Quattro 10" f4 Newtonian. Skywatcher AZ Eq6 GT (on Pier) Orion auto guider - PHD2 (RA only - Dec ungiuded). Baader MPCC Mark 3 Coma Corrector, UHC-S (Nebula) filter, Nikon D5300 (unmodified), Long Exp Noise Reduction on, 14bit NEF, 13 x 300 sec ISO 200. PixInsight & Photoshop 28 March 15
Orion Nebula Skywatcher Quattro 10" f4 Newtonian. Skywatcher AZ Eq6 GT Mount Orion 80mm f5 guide scope and auto guider - PHD2. Baader MPCC Mark 3 Coma Corrector, UHC-S 'nebula' filter. Nikon D5300 (unmodified). Field of view (deg) ~ 1.35 x 0.90. ISO800, JPEG Fine, Long Exp. NR on. HDR processed in PixInsight - 20x120sec, - 20x30sec, - 20x 8sec, - 12x4sec. Individual groups aligned and integrated. Then four integrated images aligned and HDR combined. 17 January 2015 - reprocessed 25 Apr 2015
© Copyright Mike O'Day 2015 - all rights reserved
Hi all I finally had a few hours without clouds and managed to capture Eta Carinae before having to turn in at a reasonable time on a work night. The sky was clear of clouds but the high humidity we have been having had a big impact on seeing and on the reflection of the lights from the nearby town. I also captured some shorter subs with the aim of 'filling in' the burnt out stars but I struggled to get acceptable results. The image below is just from the 2 min subs. NGC 3372 Eta Carinae Nebula (RA 10:44:22.47 - Dec -59 56' 36.5"). Skywatcher Quattro 10" f4 Newtonian. Skywatcher AZ Eq6 GT (on Pier) Orion auto guider - PHD2. Baader MPCC Mark 3 Coma Corrector, UHC-S (Nebula) filter, Nikon D5300 (unmodified), Long Exp Noise Reduction on, 12bit NEF, UHC-S 15 x 120 sec ISO800. PixInsight & Photoshop 19 March 15