Contains: IC 1396
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IC 1396 Region and IC 1396A Elephant Trunk Nebula

Technical card

Imaging telescope or lens: Vixen ED80SF

Imaging camera: Canon 550D

Mount: CELESTRON CG5-GT

Guiding telescope or lens: Vixen Finderscope 9x50

Guiding camera: Orion StarShoot AutoGuider

Focal reducer: Orion Field Flattener for Short Refractors

Software: PixInsightPHD GuidingO'Telescope BackyardEOS

Resolution: 3000x1998

Dates: June 7, 2013

Integration: 0.0 hours

Avg. Moon age: 28.49 days

Avg. Moon phase: 1.22%

Astrometry.net job: 88819

RA center: 324.915 degrees

DEC center: 57.419 degrees

Pixel scale: 2.569 arcsec/pixel

Orientation: -179.822 degrees

Field radius: 1.286 degrees

Description

IC 1396 is a Hydrogen alpha rich region in the constellation Cepheus. It contains the more widely-known nebula IC 1396A, the Elephant's Trunk (right center), which is a concentration of gas and dust that is recently thought to be an area of star formation. The two stars in the dark patch in the middle are older, however. The nebula's shape is caused by ionization and compression from stellar wind of the young stars it contains, pushing outward. [Source: en.wikipedia.org/wiki/Elephant's_Trunk_nebula]

While the region is not that difficult to process in PixInsight (expect for noise and sheer volume of stars), it did require a good amount of capture time and could have used more as it is somewhat dim and requires an IR-sensing camera such as a modded DSLR or CCD.

Total integration time: 112 minutes
28x4m sub exposures
ISO800 f/7.5

Calibration:
25 Dark
25 Flat
25 Flat-dark
30 Bias

Equipment:
Vixen ED80sf 80mm APO refractor
Celestron CG-5 ASGT mount
Orion SSAG autoguider + 50mm guide scope
Canon T2i 550D DSLR (Baader IR modded)
Orion Field Flattener

Software:
Image acquisition with BackyardEOS
Guiding with PHD
Calibration/alignment/integration and post-processing with PixInsight

Comments

Author

Cory Schmitz
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IC 1396 Region and IC 1396A Elephant Trunk Nebula, Cory Schmitz

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