Hemisphere:  Northern  ·  Constellation: Cepheus (Cep)
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"Cave Nebula" with modified Newtonian reflector, 



    
        

            Michael von Berner-Purgstall
"Cave Nebula" with modified Newtonian reflector
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"Cave Nebula" with modified Newtonian reflector

Getting plate-solving status, please wait...
"Cave Nebula" with modified Newtonian reflector, 



    
        

            Michael von Berner-Purgstall
"Cave Nebula" with modified Newtonian reflector
Powered byPixInsight

"Cave Nebula" with modified Newtonian reflector

Acquisition details

Dates:
July 12, 2020 ·  July 14, 2020
Frames:
36×600(6h)
Integration:
6h
Darks:
30
Flats:
30
Bias:
70
Avg. Moon age:
22.61 days
Avg. Moon phase:
45.19%
Bortle Dark-Sky Scale:
5.00
Mean SQM:
20.70
Mean FWHM:
3.00
Temperature:
14.00

Basic astrometry details

Astrometry.net job: 3674986

RA center: 22h57m29s.3

DEC center: +62°2707

Pixel scale: 2.353 arcsec/pixel

Orientation: 356.880 degrees

Field radius: 0.985 degrees

Resolution: 2500x1681

File size: 5.0 MB

Locations: My lovely garden, J-City, Burgenland, Austria

Data source: Backyard

Description

Ok, got my old Newtonian modified, edition 2020 you may say. And the "Cave Nebula" is a lovely object - mix of 3 different types of nebulae - emission, reflection and dark nebula.

The following modifications have been made:

+) new velor covering the inside of the tube

+) main mirror got an aperture ring on the outside to improve the star spikes

+) second mirror got new (black) colour to suppress reflections

+) new, improved focuser with steel inlays

+) the "spider" holding the secondary mirror is now in a matte finish

Comments

Revisions

    "Cave Nebula" with modified Newtonian reflector, 



    
        

            Michael von Berner-Purgstall
    Original
  • Final
    "Cave Nebula" with modified Newtonian reflector, 



    
        

            Michael von Berner-Purgstall
    B

B

Description: Glad I could add data from a second night and therefore double the total exposure time.
;-)

Uploaded: ...

Sky plot

Sky plot

Histogram

"Cave Nebula" with modified Newtonian reflector, 



    
        

            Michael von Berner-Purgstall