Contains: Flaming Star nebula, IC 405
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IC 405 Flaming Star Nebula / Caldwell 31 / SH 2-229 / AE Aurigae

Technical card

Resolution: 4656x3520

Dates: Jan. 8, 2017Jan. 13, 2017Jan. 15, 2017Jan. 21, 2017Jan. 25, 2017Jan. 27, 2017Jan. 28, 2017

Astronomik Deep-Sky B 36mm: 74x60" -15C bin 1x1
Astronomik Deep-Sky G 36mm: 76x60" -15C bin 1x1
Astronomik Deep-Sky R 36mm: 58x60" -15C bin 1x1
Astronomik Ha 6nm 36mm: 58x300" -15C bin 1x1

Integration: 8.3 hours

Darks: ~42

Flats: ~100

Bias: ~100

Avg. Moon age: 17.76 days

Avg. Moon phase: 44.12%

Bortle Dark-Sky Scale: 5.00

Temperature: 1.25 job: 1443315

RA center: 79.000 degrees

DEC center: 34.453 degrees

Pixel scale: 1.013 arcsec/pixel

Orientation: -179.867 degrees

Field radius: 0.821 degrees

Locations: Little Dipper Observatory, Mansfield, MA, United States


IC 405 (also known as the Flaming Star Nebula, SH 2-229, or Caldwell 31) is an emission/reflection nebula in the constellation Auriga, surrounding (and illuminated by) the bluish star AE Aurigae.

January 2017 was an incredibly cloudy period in the Northeast and around the entire United States, making this a real challenge to complete.



Ron Bokleman

Sky plot

Sky plot


IC 405 Flaming Star Nebula / Caldwell 31 / SH 2-229 / AE Aurigae, Ron Bokleman