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Contains:  IC1590, NGC 281, NGC281, Sh2-184
Getting plate-solving status, please wait...
First light for the new Hyperstar v4: Pacman Nebula in Ha, 



    
        

            equinoxx
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First light for the new Hyperstar v4: Pacman Nebula in Ha

Technical card


Dates:Nov. 9, 2019

Frames: 7x600"

Integration: 1.2 hours

Avg. Moon age: 11.91 days

Avg. Moon phase: 91.03%


Astrometry.net job: 3055768

RA center: 0h 52' 51"

DEC center: +56° 37' 20"

Pixel scale: 2.914 arcsec/pixel

Orientation: 0.002 degrees

Field radius: 1.181 degrees


Resolution: 2328x1760

Locations: Dachsternwarte, Ingolstadt, Bayern, Germany

Data source: Backyard

Description

09.NOV.2019 - Celestron Edge HD 1100 + Hyperstar v4
7 x 600s Baader Ha HighSpeed f/2 Filter

Image A:
A short exposed Pacman serves as the first light of the new Hyperstar v4
and is mainly used to check the collimation result.
Weather forecast is currently not very encouraging, further project have to wait...

Image B:
With the picture picture B I would like to show the comparison between
the versions v3 and v4 with 400% standard stretching in Fitswork.
The images are raw shots before stacking and image processing.
The weather conditions certainly were not exactly the same.
However, it is noticeable that the v4 stars are much smaller than the v3 stars,
although the v4 image was exposed much longer at 600s.
The details in the nebula are also more detailed.
I'm looking forward to taking more pictures with this fast optics!

Image C:
comparison:
v3 / 5x-stacked 120s Ha, Gain 139, Offset 21 <===> v4 / Single-shot 600s Ha, Gain 70, Offset 50

Comments

Author

equinoxx
equinoxx
License: None (All rights reserved)
8673
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Revisions

  • Final
    First light for the new Hyperstar v4: Pacman Nebula in Ha, 



    
        

            equinoxx
    Original
  • First light for the new Hyperstar v4: Pacman Nebula in Ha, 



    
        

            equinoxx
    B
  • First light for the new Hyperstar v4: Pacman Nebula in Ha, 



    
        

            equinoxx
    C

Sky plot

Sky plot

Histogram

First light for the new Hyperstar v4: Pacman Nebula in Ha, 



    
        

            equinoxx