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Contains:  Bubble nebula, M 52, NGC 7510, NGC 7538, NGC 7635, NGC 7654
Getting plate-solving status, please wait...
Sh2-157  Lobster Claw, 


            Carl Weber
Sh2-157  Lobster Claw
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Sh2-157 Lobster Claw

Technical card

Dates:Nov. 9, 2018

Frames: 395x300"

Integration: 32.9 hours

Avg. Moon age: 1.81 days

Avg. Moon phase: 3.68%

Basic astrometry details job: 2367154

RA center: 23h 16' 20"

DEC center: +60° 38' 52"

Pixel scale: 2.291 arcsec/pixel

Orientation: 79.025 degrees

Field radius: 1.536 degrees

Resolution: 4021x3285

Locations: SkyStar Observatory, Ramona, CA, United States

Data source: Own remote observatory

Remote source: Non-commercial independent facility


Since we're all stuck at home anyway, I thought I'd process some old images hiding on my hard drive.
This is a busy area of the sky. The Lobster Claw is the main feature but the bright nebula NGC 7538 wants to be noticed, as does NGC 7635 with the Bubble Nebula and the open cluster M 52.
This is a HaSHO stack



Carl Weber
License: None (All rights reserved)

Sky plot

Sky plot


Sh2-157  Lobster Claw, 


            Carl Weber