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ZiHao

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  • Content Count

    129
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About ZiHao

  • Rank
    Star Forming

Profile Information

  • Gender
    Male
  • Interests
    Stargazing, Physics, Maths, Movies
  • Location
    West Malaysia, Puchong
  1. Same camera and mount here! Gr8 image
  2. Acquired 90 minutes of data before 2019 ends. This target was also taken around the same time last year but with 40 minutes integration time only, giving me a hard time to bring out the fainter nebulosity. This time, with twice amount of data and good sky condition, I hope I didn't push the image too hard. SW150/750, EQ3 Pro, D5300 30 seconds exposure Processed in DSS, APP, PS
  3. Great image. Especially the tidal tail, really is an interesting feature to see.
  4. Sun taken from 60280 guidescope, ASI120MC. Background with D5300 at 18mm, panorama merged on PS.
  5. Can sunspots be so faint that my camera couldn't even capture? Captured with ASI120MC, 60280 guidescope with seymour solar film, pretty sure the focus was decent.
  6. D5300 with 18-55mm 13 × 15 seconds, ISO1600 APP, PS It was actually the rainy season here in West Malaysia but nonetheless I participated in an astronomy camp with my high school friends. Fortunate enough, the sky clears at around 3am and we saw a few bright meteors from Leonids as well. Great session.
  7. Rework to the original image. Slightly amplified the saturation of the moon to bring up the hidden colors. BTW this image is also one of the submissions to a Malaysia astrophotography contest so if you are interested to vote and look at other images, search up Astronomical Society of Penang on Facebook
  8. I first did a polar alignment on PHD2 using my guiding rig and everytime after polar alignment, I wouldn't even try guiding on an EQ3 pro and instead went for the 30seconds maximum exposure sidereal rate tracking. Next time I'll try the settings on DSS to eliminate the walking noise and of course don't be lazy to take flats... Single sub exposure time is 30 seconds only and no light pollution filter was used. Gonna save up for HEQ5 and that will probably help a lot compared to my bare minium setup right now. Thanks for your help.
  9. Stacked in DSS, processed in APP and PS. 3 hours of integration time under bright skies and calibrated with 100 bias, 15 bad flats. Didn't really expect that simple equipment could yield decent (for me) image using 30 seconds exposure, quite satisified with the result. Hope you enjoy.
  10. Thanks for helping anyway! It is calibrated with 100bias and 15 flats, old flats which might be the problem here. I have 4 hours of dumbbell nebula with me now so I will try to stack them with and without flats.
  11. https://www.dropbox.com/s/zv6m8a9vvmon0xo/done.TIF?dl=0
  12. Nope, I guess I will take a new set of data some day. I am using a non-cooled DSLR, so I guess darks wouldn't help much as the temperature doesn't match? Removed 70 subs with a red tint on the corner, and it helps a bit. Now the final image is surrounded by a circular red ring. Need more data next time. Attached is the final image, darkened the image to conceal the red colour in the background.
  13. Tried my best to pull out what I have from 2.5hours of data but it still looks very bad! Stacked in APP and edited on PS. As I neutralize the background with PS using black point dropper, all the noise popped out, and further edits with the image doesn't really help. Maybe because the flats taken are not effective enough (I was reusing the flats taken last time), I will try to take new flats to remove the new bust bunnies if possible.
  14. It's New Moon! Will have 2 clear nights here according to Clear Outside and hoping to shoot two or more objects in a Bortle 8. I have M31, M27, NGC7331 in my list. I think this will work pretty well with my D5300 as I am intending to shoot around 5 hours on each of the two DSOs, 30 seconds for each exposure. What are your recommended targets?
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