Jump to content

  •  

CNers have asked about a donation box for Cloudy Nights over the years, so here you go. Donation is not required by any means, so please enjoy your stay.

Photo

The Splinter Galaxy (NGC 5907) - A Collaboration

  • Please log in to reply
2 replies to this topic

#1 bpaczkowski

bpaczkowski

    Explorer 1

  • *****
  • topic starter
  • Posts: 56
  • Joined: 11 Nov 2014
  • Loc: Tujunga, CA

Posted 24 June 2019 - 05:32 PM

The Splinter Galaxy (NGC 5907) in the constellation Draco. This is a collaborative effort with 3 friends, Dominique Jean, Julien Jean, and Bob Brothers, combining data from our 3 different 10" telescopes (2 iDKs, 1 RC) and imaging setups acquired on the same night in May at the Los Angeles Astronomical Society dark sky site. This LRGB color composite is my version of our combined 18 hours of data, processed in PixInsight.

 

Data
R 36x5 min
G 36x5 min
B 36x5 min
L 108x5 min

Darks
200x5 min

Flats
32 flats per filter

 

Equipment
AGOptical 10”iDK
GSO 10”RC
OOUK 10”iDK
10Micron GM2000 HPS II mount
10Micron GM1000 mount
Losmandy G11
ZWO ASI 1600mm-cool (@-25C)

Software:
SGP

Phd2 (w/ Losmandy G11)
Stacked in Nebulosity
Processing in PixInsight

PixInsight Processes:

RGBs:
DynamicCrop
BDE
LinearFit
ChannelCombination
BG Neutralization
ColorCalibration
AdvStarMask script
GAME script
PixelMath to combine stars and galaxy masks
Mask galaxy and stars
MLT
MaskedStretch
Photometric Color Calibration

Luminance :
PSF
Deconvolution
MLT
MaskedStretch

LRGB:
LRGB Combination
HDRMultiscaleTransfer with mask
AdvSharpening script
LocalHistogramEqualization with mask
ColorMask(s)
Convolution of color masks
Curves with masks
TGVNoise with mask
Unsharpmask with mask
MorphologicalTransformation with mask
Clonestamp

Attached Thumbnails

  • ngc5907_combined_reduced.jpg

  • astrovienna, R Botero, gatsbyiv and 7 others like this

#2 james7ca

james7ca

    Fly Me to the Moon

  • *****
  • Posts: 7019
  • Joined: 21 May 2011
  • Loc: San Diego, CA

Posted 25 June 2019 - 08:11 AM

Well, that's the way to build integration time. Looks good.

 

Dare I ask? Who had the best subs? smile.gif


Edited by james7ca, 25 June 2019 - 08:14 AM.


#3 bpaczkowski

bpaczkowski

    Explorer 1

  • *****
  • topic starter
  • Posts: 56
  • Joined: 11 Nov 2014
  • Loc: Tujunga, CA

Posted 25 June 2019 - 12:05 PM

Well, that's the way to build integration time. Looks good.

 

Dare I ask? Who had the best subs? smile.gif

Yeah, there was a bit of competion to see who had the best images.    Most of the images were very, very similar between the different scopes/cameras.  The (lower cost) RC scope with the (more sensitive) CCD camera seemed to have slightly better image contrast.  That scope was recently collimated so maybe the iDKs need to be tuned.


Edited by bpaczkowski, 25 June 2019 - 03:00 PM.



CNers have asked about a donation box for Cloudy Nights over the years, so here you go. Donation is not required by any means, so please enjoy your stay.


Recent Topics






Cloudy Nights LLC
Cloudy Nights Sponsor: Astronomics