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Contains:  10 Gem, 11 Gem, 12 Gem, 13 mu. Gem, 7 eta Gem, 9 Gem, Gem A, IC 443, IC 444, IC443, IC444, Part of the constellation Gemini (Gem), Sh2-248, Sh2-249, Tejat Posterior, Tejat Prior, The star Propus (ηGem), The star μGem
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IC443 - Canon Ra - 2nd test, 


            Nico Carver
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IC443 - Canon Ra - 2nd test

Technical card

Dates:March 13, 2020March 21, 2020

15x180" ISO800 bin 1x1
IDAS NB2 Canon Drop In: 30x240" ISO800 bin 1x1

Integration: 2.8 hours

Darks: ~30

Flats: ~30

Bias: ~50

Avg. Moon age: 23.01 days

Avg. Moon phase: 43.88%

Bortle Dark-Sky Scale: 7.00

Temperature: 9.00 job: 3346423

RA center: 6h 18' 31"

DEC center: +22° 53' 55"

Pixel scale: 2.404 arcsec/pixel

Orientation: 91.771 degrees

Field radius: 1.503 degrees

Resolution: 2986x3369

Locations: Backyard, Somerville, MA, United States; ATMOB Clubhouse, Westford, MA, United States

Data source: Backyard


30x240" with NB2 filter (Bortle 9)
15x180" no filter (Bortle 6)
Second light with the Canon EOS Ra, and first light with the IDAS NB2 Canon Drop In filter from Hutech. Really enjoying using the Canon EOS Ra so far. I'd still call this a test, because I didn't plan so much, and for that reason did a pretty heavy crop to get the framing I liked. Clear skies!



Nico Carver
License: Attribution-ShareAlike Creative Commons

Sky plot

Sky plot


IC443 - Canon Ra - 2nd test, 


            Nico Carver