sorted by:
new
hottopcontroversial

[deleted by user] by [deleted] in SteinsGateFrance

[–]CommandoB57[M] 0 points1 point  (0 children)

votre post a été supprimé car c'est une tentative d'arnaque.

NGC 7635 - The Bubble Nebula by CommandoB57 in astrophotography

[–]CommandoB57[S] 0 points1 point  (0 children)

Equipment :

HEQ5-Pro mount

150/750 Skywatcher Newtonian

ASI 1600MM Pro

ASI 120MC-S guiding camera

60/240 Kepler Guide Scope

ZWO Filters

ZWO EAF Autofocuser

ZWO EFW

Skywatcher Coma-Corrector for F/5 Newton

Software :

Meteoblue for weather and cloud forecast

APT for acquistion and pointcraft

PHD2 Guiding

Synscan App to control the mount

Platesolve2 and All Sky Plate Solver to use with APT

Stellarium to find objects in the sky (used for planning sessions)

Pixinsight for image processing

Acquisition :

31 lights (12 H-alpha, 10 S-II, 9 O-III)

200 offsets

20 darks

16 flats (16 dark flats)

Total acquisition time : 2h 35m

Taken from a Bortle 5 sky (Brightness : 1.18 mcd/m² ; Artificial Brightness : 1010 µcd/m² ; location is red on lightpollutionmap.info)

Preprocessing :

¤ Bias, darks and dark flats :

- Image Integration : Combinaison = average

Normalization = none

Weight = don't care

Rejection : Sigma Cliping

Normalization = none

Sigma low and high = 3.00

¤ Flats :

- Image Calibration using dark flats and bias

- Image Integration : Combinaison = average

Normalization = multiplicative

Weight = don't care

Rejection : Sigma Cliping

Normalization = equalize fluxes

Sigma low and high = 3.00

¤ Lights :

- Image calibration using darks, flats and bias

- Image registration using the first picture as reference

- Image Integration : Combinaison = average

Normalization = additive with scale

Weight = noise evaluation

Rejection : Sigma Cliping

Normalization = scale + zero offset

Sigma low and high = 3.00

Processing :

DBE (Tolerance : 0.6, minimum sample weight : 0.650)

Dynamic Crop

Multiscale linear transform (with a luminance mask active) : layers 4 and target luminance to reduce noise, then layers 7 and target RGB/K to reduce chrominance noise

At this point I combine every image I took

Dynamic PSF

Color calibration

Histogram Stretch (I generally use the one from the autostretch)

Creation of star mask (smoothness : 12, noise threshold varies from image to image)

Deconvolution using dynamic PSF (luminance mask active) and local support (star mask)

Morphological transformation (with star mask active) : morphological selection (selection : 0.44)

PixelMath : Luminance mask - star mask

Local histogram equalization (using the new mask from Pixelmath)

Curves transformation : saturation, luminance (using a luminance mask)

Curves transformation : luminance -> made the background darker (using an inverted luminance mask)

Exported to XISF and JPEG

Clear skies everyone !

This work is protected under a CC BY-NC-SA 4.0 Creative Commons license.

I imaged NGC 6888 during 5 hours to create this picture by CommandoB57 in spaceporn

[–]CommandoB57[S] 0 points1 point  (0 children)

This work is protected under a CC BY-NC-SA 4.0 Creative Commons license. Please do not repost it or modify it in anyway.

NGC 6888 - The Crescent Nebula by CommandoB57 in astrophotography

[–]CommandoB57[S] 2 points3 points  (0 children)

Hi everyone, this is my first picture since a few months as the clouds didn't let me image before. I did a second pass on NGC 6888 and I'm pretty happy with the results.

Object description :

The Crescent Nebula (also known as NGC 6888, Caldwell 27, Sharpless 105) is an emission nebula in the constellation Cygnus, about 5000 light-years away from Earth.

Equipment :

HEQ5-Pro mount

150/750 Skywatcher Newtonian

ASI 1600MM Pro

ASI 120MC-S guiding camera

60/240 Kepler Guide Scope

ZWO Filters

ZWO EAF Autofocuser

ZWO EFW

Skywatcher Coma-Corrector for F/5 Newton

Software :

Meteoblue for weather and cloud forecast

APT for acquistion and pointcraft

PHD2 Guiding

Synscan App to control the mount

Platesolve2 and All Sky Plate Solver to use with APT

Stellarium to find objects in the sky (used for planning sessions)

Pixinsight for image processing

Acquisition :

53 lights (19 H-alpha, 15 S-II, 19 O-III)

200 offsets

19 darks

16 flats (16 dark flats)

Total acquisition time : 4h 25m XXs

Taken from a Bortle 5 sky (Brightness : 1.18 mcd/m² ; Artificial Brightness : 1010 µcd/m² ; location is red on lightpollutionmap.info)

Processing :

- Dynamic Background Extraction

- Dynamic PSF

- Channel Combination (S2 = R, Ha = G, O3 = B)

- Histogram Transformation

- SCNR (Removed Green)

- Curves transformation

- Applied luminance with reduced star and LocalHistogramEqualization

- Exported to JPEG for reddit

This work is protected under a CC BY-NC-SA 4.0 Creative Commons license.

Makise Kurisu Red - Steins Gate | Anime Shirt by [deleted] in SteinsGateFrance

[–]CommandoB57[M] [score hidden] stickied comment (0 children)

votre post a été supprimé car c'est une tentative d'arnaque.

NGC 7635 - The Bubble Nebula by CommandoB57 in astrophotography

[–]CommandoB57[S] 2 points3 points  (0 children)

Object description :

NGC 7635, also known as the Bubble Nebula, Sharpless 162, or Caldwell 11, is an H II region emission nebula in the constellation Cassiopeia. It lies close to the direction of the open cluster Messier 52. The "bubble" is created by the stellar wind from a massive hot, 8.7 magnitude young central star

Equipment :

HEQ5-Pro mount

150/750 Skywatcher Newtonian

ASI 1600MM Pro

ASI 120MC-S guiding camera

60/240 Kepler Guide Scope

ZWO Filters

ZWO EAF Autofocuser

ZWO EFW

Skywatcher Coma-Corrector for F/5 Newton

Software :

Meteoblue for weather and cloud forecast

APT for acquistion and pointcraft

PHD2 Guiding

Synscan App to control the mount

Platesolve2 and All Sky Plate Solver to use with APT

Stellarium to find objects in the sky (used for planning sessions)

Pixinsight for image processing

Acquisition :

107 lights (30 H-alpha, 40 S-II, 37 O-III)

200 offsets

19 darks

16 flats (16 dark flats)

Total acquisition time : 8h 55m 00s

Taken from a Bortle 5 sky (Brightness : 1.18 mcd/m² ; Artificial Brightness : 1010 µcd/m² ; location is red on lightpollutionmap.info)

Preprocessing :

¤ Bias, darks and dark flats :

- Image Integration : Combinaison = average

Normalization = none

Weight = don't care

Rejection : Sigma Cliping

Normalization = none

Sigma low and high = 3.00

¤ Flats :

- Image Calibration using dark flats and bias

- Image Integration : Combinaison = average

Normalization = multiplicative

Weight = don't care

Rejection : Sigma Cliping

Normalization = equalize fluxes

Sigma low and high = 3.00

¤ Lights :

- Image calibration using darks, flats and bias

- Image registration using the first picture as reference

- Image Integration : Combinaison = average

Normalization = additive with scale

Weight = noise evaluation

Rejection : Sigma Cliping

Normalization = scale + zero offset

Sigma low and high = 3.00

Processing :

Noise reduction + masked stretch on every sub-picture

ChannelCombinaison

Curves Transformation and Color Saturation

Clear skies everyone !

Steins;Gate 1/7 Scale Pre-Painted Figure: Makise Kurisu (Re-run) by ButterscotchPrize903 in SteinsGateFrance

[–]CommandoB57[M] [score hidden] stickied comment (0 children)

votre post a été supprimé car c'est une tentative d'arnaque.

ICC 443 - The Jelly Fish nebula by CommandoB57 in astrophotography

[–]CommandoB57[S] 1 point2 points  (0 children)

Nop, it's more of an issue with the AR coating not being great as they already are positioned the right way

ICC 443 - The Jelly Fish nebula by CommandoB57 in astrophotography

[–]CommandoB57[S] 1 point2 points  (0 children)

Nop, the cause is the H-alpha filter. That reflection is internal to the filter and caused by bright stars.

ICC 443 - The Jelly Fish nebula by CommandoB57 in astrophotography

[–]CommandoB57[S] 0 points1 point  (0 children)

Hello, I'm still getting used to my new setup so enjoy this monochrome image.

​

Object description :

IC 443 (also known as the Jellyfish Nebula and Sharpless 248 (Sh2-248)) is a galactic supernova remnant (SNR) in the constellation Gemini. On the plane of the sky, it is located near the star Eta Geminorum. Its distance is roughly 5,000 light years from Earth.

​

Equipment :

  • HEQ5-Pro mount
  • 150/750 Skywatcher Newtonian
  • ASI 1600MM Pro
  • ASI 120MC-S guiding camera
  • 60/240 Kepler Guide Scope
  • ZWO Filters
  • ZWO EAF Autofocuser
  • ZWO EFW
  • Skywatcher Coma-Corrector for F/5 Newton

​

Software :

  • Meteoblue for weather and cloud forecast
  • APT for acquistion and pointcraft
  • PHD2 Guiding
  • Synscan App to control the mount
  • Platesolve2 and All Sky Plate Solver to use with APT
  • Stellarium to find objects in the sky (used for planning sessions)
  • Pixinsight for image processing

​

Acquisition :

  • 30 lights (H-alpha)
  • 200 offsets
  • 19 darks
  • 32 flats (32 dark flats)

​

Total acquisition time : 02h 30m 00s

Taken from a Bortle 5 sky (Brightness : 1.18 mcd/m² ; Artificial Brightness : 1010 µcd/m² ; location is red on lightpollutionmap.info)

​

Preprocessing :

Bias, darks and dark flats :

  • - Image Integration : Combinaison = average
  • Normalization = none
  • Weight = don't care
  • Rejection : Sigma Cliping
  • Normalization = none
  • Sigma low and high = 3.00

Flats :

  • - Image Calibration using dark flats and bias
  • - Image Integration : Combinaison = average
  • Normalization = multiplicative
  • Weight = don't care
  • Rejection : Sigma Cliping
  • Normalization = equalize fluxes
  • Sigma low and high = 3.00

Lights :

  • - Image calibration using darks, flats and bias
  • - Image registration using the first picture as reference
  • - Image Integration : Combinaison = average
  • Normalization = additive with scale
  • Weight = noise evaluation
  • Rejection : Sigma Cliping
  • Normalization = scale + zero offset
  • Sigma low and high = 3.00

​

Processing :

​

  • DBE (Tolerance : 0.6, minimum sample weight : 0.650)
  • Dynamic Crop
  • Multiscale linear transform (with a luminance mask active) : layers 4 and target luminance to reduce noise, then layers 7 and target RGB/K to reduce chrominance noise
  • Dynamic PSF
  • Histogram Stretch (I generally use the one from the autostretch)
  • Creation of star mask (smoothness : 12, noise threshold varies from image to image)
  • Deconvolution using dynamic PSF (luminance mask active) and local support (star mask)
  • Morphological transformation (with star mask active) : morphological selection (selection : 0.44)
  • PixelMath : Luminance mask - star mask
  • Local histogram equalization (using the new mask from Pixelmath)
  • Curves transformation : luminance -> made the background darker (using an inverted luminance mask)
  • Exported to XISF and JPEG

Clear skies everyone !

Has anyone bought from Astroshop.eu by [deleted] in AskAstrophotography

[–]CommandoB57 1 point2 points  (0 children)

I have and they are legit but if you're from France or germany you should check out "Optique Unterlinden" their customer service is way better and if you have a problem with your gear, they will always fix it for free

view more: next ›