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Contains:  Blue Snowball, NGC 7662
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Blue Snowball Nebula, 


            Rudolf Bumm
Blue Snowball Nebula
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Blue Snowball Nebula

Technical card

Imaging telescopes or lenses:CEDES

Imaging cameras:SBIG STL-11000M

Guiding cameras:SBIG STL-11000M

Dates:Jan. 5, 2018

Frames: 60x30"

Integration: 0.5 hours

Avg. Moon age: 18.63 days

Avg. Moon phase: 84.05%

Basic astrometry details job: 1878898

RA center: 23h 25' 54"

DEC center: +42° 32' 34"

Pixel scale: 0.307 arcsec/pixel

Orientation: 5.123 degrees

Field radius: 0.206 degrees

Resolution: 4008x2672

Locations: Mirasteilas observatory, Falera, Graubünden, Switzerland


Just before moonrise: This is a short project of the blue snowball nebula using the big cassegrain telescope of Sternwarte Mirasteilas and long focal length.
The catalog number is NGC 7662, distance from earth is 5000-6000 light years.
This is a planetary nebula with a white dwarf right in the center.
Obviously, it has a very faint halo (IFN/molecular cloud ?) which justifies another imaging session and adding luminance ...

Nasmyth Cassegrain 900 mm @ 5940 mm (f/6.6) w. reducer
SBIG STL 11000 m camera

R 20 x 30 s
G 20 x 30 s
B 20 x 30 s



Rudolf Bumm
License: None (All rights reserved)

Sky plot

Sky plot


Blue Snowball Nebula, 


            Rudolf Bumm