Hemisphere:  Northern  ·  Contains:  Gem A  ·  IC 443  ·  IC 444  ·  M 35  ·  Monkey Head Nebula  ·  NGC 2158  ·  NGC 2168  ·  NGC 2174  ·  Part of the constellation Gemini (Gem)  ·  The star 1Gem  ·  The star 3Gem  ·  The star 5Gem  ·  The star 68Ori  ·  The star Propus (ηGem)  ·  The star μGem
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Jellyfish, Monkey Head and M35 (wider view), 


            Lee B
Jellyfish, Monkey Head and M35 (wider view)
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Jellyfish, Monkey Head and M35 (wider view)

Technical card

Imaging telescopes or lenses: Samyang 135 ED UMC F2

Imaging cameras: ZWO ASI533MC Pro

Mounts: Sky-Watcher AZ EQ6 GT Pro

Software: Starkeeper.it Voyager  ·  PixInsight  ·  Aries Productions Astro Pixel Precessor

Dates:Dec. 21, 2020

Frames: 90x60"

Integration: 1.5 hours

Avg. Moon age: 6.93 days

Avg. Moon phase: 45.19%

Basic astrometry details

Astrometry.net job: 4118076

RA center: 6h 12' 47"

DEC center: +22° 43' 37"

Pixel scale: 11.921 arcsec/pixel

Orientation: 309.398 degrees

Field radius: 3.454 degrees

Resolution: 1475x1475

Data source: Backyard


Part 5/6 of first light with my Samyang 135 lens. This is an image of 90 x 60s (90 minutes) and the one I was most disappointed by. I just expected much more of the Jellyfish and surrounding nebula to come out. Lens was wide open @ F2.

Calibrated and stacked in APP, processed in PixInsight.



Lee B
License: None (All rights reserved)

Sky plot

Sky plot


Jellyfish, Monkey Head and M35 (wider view), 


            Lee B