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  1. CRTAstro

    NGC 2736 Pencil Nebula

    Reprocessed some older data by running the subs through PixInsight's new NormalizeScaleGradient script before integration. I've found quite a huge improvement as differences in the skyglow/background gradient was quite large through the 3-night imaging session. Data set consisted of 30xHa and...
  2. CRTAstro

    HIP 41958 Vela Supernova Remnant

    HIP 41958 which is a section of the Vela Supernova Remnant, a diffuse nebula in the southern constellation of Vela, shot in a mosaic of 2 panels. This has been a long project starting back in early May mostly due to this target's short visibility (2+ hrs) before it gets too low to shoot. 44xHa...
  3. CRTAstro

    NGC 3324 Gabriela Mistral nebula - reprocessed

    Re-processed one of my favorites, NGC 3324 Gabriela Mistral Nebula using some new processing techniques in PixInsight added to my SHO (Hubble palette) workflow mainly to reveal some more of the nebula and surrounding dust lanes not visible in the initial version. Skywatcher 8" f4 Quattro...
  4. CRTAstro

    IC 4606 Antares Nebula and Neighbors

    A colorful galactic neighborhood featuring the red supergiant Antares, globular cluster NGC 6144, and dark nebulae LDN 1681,1690,1689 and 1709 to name a few. This is a 2-panel mosaic featuring a total of 60Lx240s 131R 116G 110B x 300s for a total integration time of 33.75hrs if my math is...
  5. CRTAstro

    The Dragons of Ara and the Dragon's Egg

    Reprocessed some older data while waiting for the weather to clear up NGC 6188 The Dragons of Ara and the Egg Base palette used was SHO (Hubble) with some artistic license to the overall colour mix. Stars were removed to showcase the nebulosity in this magnificent target Sharpstar 61EDPH-II...
  6. CRTAstro

    Pillars of Creation

    Presenting the Pillars of Creation, towering tendrils of cosmic dust and gas in the heart of the Eagle Nebula (M16) This was a tough project as I had to battle through some smoke haze nights and some bright moon but pretty satisfied with this. Decided to go starless to accentuate the pillars and...
  7. CRTAstro

    NGC 3372 A 6-Panel Mosaic of the Carina Nebula in Ha

    NGC 3372 A 6-panel mosaic of the Carina Nebula in Ha Most of the subs were taken in almost full moon hence the use of narrowband and decided to stick with just Ha Skywatcher 8" f4 Quattro Skywatcher NEQ6 Pro Skywatcher Aplanatic Coma Corrector ZWO ASI183MM Pro ZWO OAG ZWO 36mm 7nm unmounted...
  8. CRTAstro

    NGC 5128 Centaurus A or Caldwell 77

    NGC 5128 Centaurus A or Caldwell 77 To me this looks more like a hamburger than the other one (NGC 3628) ☺ Shot in LRGB using 300s subs and 120s for the L Skywatcher 8" f4 Quattro Skywatcher NEQ6 Pro Skywatcher Aplanatic Coma Corrector ZWO ASI183MM Pro ZWO OAG ZWO 36mm 7nm unmounted filters...
  9. CRTAstro

    Caldwell 50 or the Satellite Cluster

    A closer look at NGC 2244 also known as Caldwell 50 or the Satellite Cluster an open cluster in the Rosette Nebula. Skywatcher 8" f4 Quattro Skywatcher NEQ6 Pro Skywatcher Aplanatic Coma Corrector ZWO ASI183MM Pro ZWO OAG ZWO 36mm 7nm unmounted filters Processed using PixInsight and Photoshop CC
  10. CRTAstro

    The Fighting Dragons of Ara - Starless

    I shot this about a year ago using my previous setup (refractor + OSC). One of my best efforts so far so I thought I would share it here presenting a starless version of NGC 6188 The Fighting Dragons of Ara
  11. CRTAstro

    The Horsehead in Hydrogen Alpha

    Barnard 33 more commonly known as the Horsehead Nebula is a small dark nebula in the constellation Orion. This target was shot as a 2-panel mosaic thru a Ha filter. 15x600s Ha per panel @-10C Skywatcher 8" f4 Quattro Skywatcher NEQ6 Pro Skywatcher Aplanatic Coma Corrector ZWO ASI183MM Pro ZWO...
  12. CRTAstro

    Gabriela Mistral in NB SHO

    The beautiful and mysterious Gabriela Mistral nebula NGC 3324 is an open cluster in the southern constellation of Carina. Probably insignificant when viewing Carina as a whole but glorious in an up-close uncropped field of view. This image consists of 30 x 120s each of Ha, Oii, and Sii subs...
  13. CRTAstro

    Eta Carinae Core in HOO

    NGC 3372 The Majestic Core of Eta Carinae mapped to the HOO palette. Shot in 80% moon 30x300s each of Ha, Oiii and Sii subs shot @-10C Skywatcher 8" f4 Quattro Skywatcher NEQ6 Pro Skywatcher Aplanatic Coma Corrector ZWO ASI183MM Pro ZWO OAG ZWO 36mm 7nm unmounted filters Bortle 5 Stacked and...
  14. CRTAstro

    Gabriela Mistral Mosaic in Ha

    Full moon nights are great for testing. Friday night was spent trying out NINA's advanced sequencer. Quite impressive. Will have to use it more. This is a mosaic of 4 panels of Gabriela Mistral consisting of 5 subs x 120s each per panel shot in Ha. Not much data but still a good result I think...
  15. CRTAstro

    The Running Chicken Project

    This is one of my favorite targets in the sky but with the field of view of my equipment, I simply cannot shoot it in one go. So this is a mosaic project involving 2 panels. I've chosen to go starless for this project as I want to bring to front and center all that fabulous detail in the nebula...
  16. CRTAstro

    NGC 2359 Thor's Helmet

    The HOO palette was chosen for this one and consisted of 20 x 600s of Ha and Oiii data at -10deg C for a total integration time of 6.7hrs Skywatcher 8" f4 Quattro Skywatcher NEQ6 Pro Skywatcher Aplanatic Coma Corrector ZWO ASI183MM Pro ZWO OAG ZWO 36mm 7nm unmounted filters
  17. CRTAstro

    M42 Orion and SH2-279 Running Man Nebula in Ha

    M42 Orion Nebula and SH2-279 Running Man Nebula 8-panel mosaic consisting of 30 x 120s Ha @-10C per panel Total integration time: 8hrs Skywatcher 8" f4 Quattro Skywatcher NEQ6 Pro Skywatcher Aplanatic Coma Corrector ZWO ASI183MM Pro main cam ZWO ASI290mm Mini guide cam ZWO OAG ZWO 36mm 7nm unmounted
  18. CRTAstro

    NGC 2736 The Pencil Nebula

    NGC 2736 The Pencil Nebula I have read is a small part of a supernova remnant and is moving roughly at 644,000 kmh ! This target was taken over three nights all lit by an almost full moon and consists of 30 x 600s each of Ha and Oiii data Skywatcher 8" f4 Quattro Newtonian Skywatcher NEQ6 Pro...
  19. CRTAstro

    Sharpless 2-308 The Dolphin Nebula

    Sharpless 2-308 more commonly known as the Dolphin Nebula has always been a sought after but elusive target for me. This project which started late last year was shot as a mosaic made up of 3 panels of Ha and Oiii data mapped to the HOO palette. Total integration time has been 43.75hrs...
  20. CRTAstro

    NGC 6188 The Fighting Dragons of Ara

    NGC 6188 is an emission nebula 4,000 lys away in the constellation Ara but is more commonly known as the Fighting Dragons of Ara. This is a reprocess of data captured 8 months ago (waiting on some clear skies here) on different equipment and with different skills. Hopefully I have improved since...
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