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IC1396 - Elephant Trunk  Nebula, 


            John E.
IC1396 - Elephant Trunk  Nebula

IC1396 - Elephant Trunk Nebula

Technical card

Resolution: 2141x1594

Dates:June 1, 2017

Frames:Astrodon Ha 1.25 5nm: 124x90" (gain: 200.00) -20C bin 1x1

Integration: 3.1 hours

Darks: ~30

Flats: ~30

Avg. Moon age: 7.35 days

Avg. Moon phase: 49.70%

Bortle Dark-Sky Scale: 8.00 job: 1600148

RA center: 21h 34' 50"

DEC center: +57° 30' 39"

Pixel scale: 1.579 arcsec/pixel

Orientation: -120.819 degrees

Field radius: 0.586

Locations: Home Site, Glenolden, , Pennsylvania (PA), United States


Tried this a few weeks ago and took 120 subs. DSS would only stack 14. This scope is difficult to manually focus and collimation is a bit off.
This time, I was able to stack 124 subs. Stars are better but still needs work. Framing is off a bit also.



John E.
License: None (All rights reserved)


  • IC1396 - Elephant Trunk  Nebula, 


            John E.
  • Final
    IC1396 - Elephant Trunk  Nebula, 


            John E.

Sky plot

Sky plot


IC1396 - Elephant Trunk  Nebula, 


            John E.

In these public groups

Beginners AP
Narrowband imaging