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Contains:  IC 443, The star Propus (ηGem)
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Jellyfish Nebula with Quadrantid Meteor, 


            Shannon Calvert
Jellyfish Nebula with Quadrantid Meteor

Jellyfish Nebula with Quadrantid Meteor

Technical card

Imaging telescope or lens:Takahashi FSQ -106ED Takahashi FSQ -106N

Imaging camera:Canon 7D Mark II mod

Mount:Celestron CGEM II

Guiding telescope or lens:Astro-Tech 60mm Guide Scope

Guiding camera:ZWO ASI 120 MM-S


Resolution: 2400x1600

Dates:Jan. 6, 2019

Frames: 99x120" ISO800

Integration: 3.3 hours

Darks: ~14

Flats: ~14

Bias: ~80

Avg. Moon age: 0.39 days

Avg. Moon phase: 0.17%

Bortle Dark-Sky Scale: 6.00 job: 2460533

RA center: 94.147 degrees

DEC center: 22.613 degrees

Pixel scale: 3.160 arcsec/pixel

Orientation: 46.145 degrees

Field radius: 1.266 degrees

Locations: Paine Open Space, Easton, CT, United States

Data source: Backyard


This was an interesting session: it was really cold and windy, and I had a ton of work to do, but it was the only clear night of the week. So I setup a scope in my backyard to let the camera run while I continued working. A failed AC adapter left me unexpectedly running on battery power without full charges, and I figured there was no way my autoguider was going to hold the heavy Takahashi steady while twigs were falling and my camera strap was flapping around. Surprisingly, out of 103 exposures I only lost 4. Better still, the second frame caught a bright Quadrantid meteor! Perserverence paid off.



Shannon Calvert
License: None (All rights reserved)

Sky plot

Sky plot


Jellyfish Nebula with Quadrantid Meteor, 


            Shannon Calvert