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Contains:  NGC 7510
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Sh2-157 - Lobster Claw - SHO, 


Sh2-157 - Lobster Claw - SHO

Sh2-157 - Lobster Claw - SHO

Technical card

Resolution: 3704x2683

Dates:Sept. 24, 2018Sept. 3, 2019

ZWO HAlpha 7nm: 159x180" (gain: 300.00) -20C bin 1x1
ZWO O-III 7nm: 254x180" (gain: 300.00) bin 1x1
ZWO S-II 7nm: 57x180" (gain: 300.00) bin 1x1

Integration: 23.5 hours

Avg. Moon age: 9.42 days

Avg. Moon phase: 61.09%

Bortle Dark-Sky Scale: 8.00 job: 2947926

RA center: 348.774 degrees

DEC center: 60.162 degrees

Pixel scale: 1.498 arcsec/pixel

Orientation: 92.343 degrees

Field radius: 0.951 degrees

Data source: Backyard


The Lobster Claw struck between Cepheus and Cassiopea and next to NGC7635 (the Bubble).
This object offers 3 distincts zones
Upper claw where Ha dominates
Lower claw: the most dramatic part where the O3 intensity is high
the right part of the claw where SII nicely blends with Ha.

Drizzled then resampled at native resolution of 1.5"/px



License: Attribution Creative Commons

Sky plot

Sky plot


Sh2-157 - Lobster Claw - SHO,