Hemisphere:  Northern  ·  Constellation: Perseus (Per)  ·  Contains:  38 omi Per  ·  40 o Per  ·  42 n Per  ·  44 zet Per  ·  Atik  ·  B1  ·  B2  ·  B202  ·  B203  ·  B204  ·  B205  ·  B206  ·  B3  ·  B4  ·  B5  ·  IC 348  ·  IC2003  ·  IC348  ·  NGC 1333  ·  NGC1333  ·  NGC1465  ·  PK161-14.1  ·  Part of the constellation Perseus (Per)  ·  The star 40Per  ·  The star 42Per  ·  The star Atik (ζPer)  ·  The star οPer  ·  VdB12  ·  VdB13  ·  VdB16  ·  And 1 more.
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IC 348 widefield with Samyang 135 f/2, 


            Göran Nilsson
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IC 348 widefield with Samyang 135 f/2

Technical card

Imaging cameras: Canon 60D

Mounts: Skywatcher EQ 8

Guiding telescopes or lenses: SkyWatcher 80/400 achromatic

Guiding cameras: QHY-5-L-II-M QHY5-II Mono


Dates:Nov. 12, 2017

Frames: 221x60"

Integration: 3.7 hours

Avg. Moon age: 23.82 days

Avg. Moon phase: 32.63%

Astrometry.net job: 1820882

RA center: 3h 44' 3"

DEC center: +32° 0' 50"

Pixel scale: 12.839 arcsec/pixel

Orientation: -0.337 degrees

Field radius: 5.309 degrees

Resolution: 2500x1619

Locations: Home Observatory, Hole, Värmland, Sweden

Data source: Backyard


This is a follow up of my first night with the triple rig. I had kind of given up on the Samyang 135 f/2 data on IC 348 due to substandard focusing (at least the stars were larger that I am used to with this lens), but since no clear skies have presented themselves I had a go at the data. Quite a lot of it since it is a f/2 lens, so I only did 1 min subs, so altogether this is 212 subs. Had to learn stacking in PI (I have been a strictly PS person and I have so far done stacking in Nebulosity) to avoid getting insane by clicking on a star 212 times. Well, here is what the 22nd saved version of this image looks like. Nothing for pixel-peepers but I think it is ok for regular viewing.


Sky plot

Sky plot


IC 348 widefield with Samyang 135 f/2, 


            Göran Nilsson